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New product 383/400 forged piston. #1686955
10/17/14 06:16 PM
10/17/14 06:16 PM
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Mi,U.S.A.
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mike s Offline OP
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Finally a quality lightweight modern forged piston with valve reliefs for a stock stroke 383 or 400.100% American made.A true custom piston at shelf price.Comp dist will allow a zero deck @ 9.980 block height.A tall version for quench with open chamber cyl hds is being considered also.Any ring package is available.Many other options are available including high comp and alloy type. Rebalancing is mandatory due to the lighter weight. Price will be way below custom pistons.

The 64 thousand dollar question? Is there a market? Please respond with your comments either here or pm me.Mods please consider moving this to New Products and Deals post.


Leave the gun.......take the Cannoli's....Mike
Re: New product 383/400 forged piston. [Re: mike s] #1686956
10/17/14 07:03 PM
10/17/14 07:03 PM
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Warren, MI
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Jerry Offline
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with the affordability of strokers why use pistons for a stock stroke 383 and 400. personally if you do make them it would be good to have options. I myself have a 383 I'm looking to rebuild, but I'm thinking stroker for more torque.


Superior Design Concepts
2574 Elliott Dr
Troy MI 48083
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www.sdconcepts.com
Facebook page: Superior Design Concepts
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Re: New product 383/400 forged piston. [Re: mike s] #1686957
10/17/14 10:17 PM
10/17/14 10:17 PM
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Jacksonville, FL
Chris2581 Offline
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IMHO.. yes there is a market for these pistons.Look at the posts on this site about find9ing replacement pistons using stock rod lengths.Not everyone wants to build a stroker engine.


Nautilus Racing-
We use Superformance gaskets and Turbo Action converters/products.
Re: New product 383/400 forged piston. [Re: Jerry] #1686958
10/17/14 10:26 PM
10/17/14 10:26 PM
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Mi,U.S.A.
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Thanks for your input Jerry & Chris

Last edited by mike s; 10/17/14 10:27 PM.

Leave the gun.......take the Cannoli's....Mike
Re: New product 383/400 forged piston. [Re: mike s] #1686959
10/17/14 10:32 PM
10/17/14 10:32 PM
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85086
moparpollack Offline
Lil Herman
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Mike thanks for making parts for our cars. But you never put any contact information or price for the pistons. What heads were these pistons to be used with 906, 915, 346, or stealth?


55 Pick up 56 Plaza 63 D100 step side 67 Coronet, 68 Roadrunner, 69 Super Bee, 69 Coronet 500 convertible, 70 Roadrunner Post, 79 D150 360, and a severe case of Mopar a,d,d
Re: New product 383/400 forged piston. [Re: moparpollack] #1686960
10/17/14 10:35 PM
10/17/14 10:35 PM
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Milwaukee WI
R_Blaha Offline
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I'm interested, I'm going to be building a stock 383, might punch it .030, but I'm looking for a nice forged piston that will give me 11.1 comp with the performer rpm heads.


LOOKING FOR THE 68 GTS IN THE AVATAR SPOT 1969 Dodge Superbee post coupe 1969 Dodge Superbee hardtop 472 hemi 2012 SVTPP GT500 1993 mustang lx 5.0 2004 screaming yellow cobra 2013 CVO Roadglide
Re: New product 383/400 forged piston. [Re: mike s] #1686961
10/17/14 10:35 PM
10/17/14 10:35 PM
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Chilliwack B.C. Canada
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RUNCHARGER Offline
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I like the idea. However I may be way ahead of the curve on this for my reason. Up here in Canada we're shelling out $6 per gallon and up for gas. It makes you think twice about building your stroker and is why I kept a 383 in my 70 pickup rather than building something bigger for it. I had to re-use the stock pistons in a slightly sketchy bore because of the lack of piston choice.
I do note though that most states guys are building without regard to fuel economy, due to gas being lower priced there. So good luck with it, not sure if the market will make it a success or not.

Sheldon

Re: New product 383/400 forged piston. [Re: RUNCHARGER] #1686962
10/18/14 02:37 AM
10/18/14 02:37 AM
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Mi,U.S.A.
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mike s Offline OP
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My ideas as far as compression ratios are the following. 9.5-1 is a safe maximum Iron head ratio with pump prem fuel.10.5 is easily safe for the Eddies and Stealth.

Iron factory cyl heads w/closed chamber 516/915 9.5-1 w/.040 gasket.

Iron factory cyl heads w/open chamber 906/346/452/902 9.5-1 w/.020 gasket.This piston will have a positive deck height likely +.020 w/9.980 I don't think a complete quench is possible due to non uniform factory chambers but still much better than what is available.Still working on the chamber issue.They will not have the KB quench lump.

Aluminum cyl heads with closed chamber 10.5 with .040 gasket.

A domed high compression piston will also be available in race alloy.Price will be higher but still way lower than custom prices.

All comp ratios will be figured at .000 deck height 9.980

All will be floating and press fit pins.

Your choice of ring size 5/64 or 1/16 at no extra cost.

All comp ratios will be adjustable via cyl hd cc's, Some heads may need some milling to reach the desired comp ratio.

Sorry no pricing or manufacturer (hoping to do a private label deal)info yet but price should be about the same as an Icon.

I build many low deck perf type engines and that is the reason I am trying to put this together.No more flat top TRW/SP/Fed M type no notch down the bore heavyweights.No KB cast.

If this works I will also have a legal NHRA stock elim piston. It will be as required a flat top with 1.908 comp dist (383), wo/notches and race piston material.

I await your suggestions and comments.Thank you all!


Leave the gun.......take the Cannoli's....Mike
Re: New product 383/400 forged piston. [Re: mike s] #1686963
10/18/14 02:49 AM
10/18/14 02:49 AM
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Arlington, Texas
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bobby66 Offline
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Valve reliefs sized for common aftermarket heads?That would be sweet. I think there's a market.


B
Re: New product 383/400 forged piston. [Re: mike s] #1686964
10/20/14 03:58 PM
10/20/14 03:58 PM
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Central Ohio
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BMChrysler68 Offline
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You have my attention.


1968 Plymouth Fury III
2dr FT, 383-4v, 4 speed

1972 AMC Ambassador SST wagon
360-4v, automatic

2014 Challenger R/T Classic 6-speed
Re: New product 383/400 forged piston. [Re: mike s] #1686965
10/20/14 04:20 PM
10/20/14 04:20 PM
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Valhalla... eventually
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BradH Offline
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Having built both 383s and 440s in the past, I'd never build another stock-stroke 383 that required "good" pistons. If I had to spend the $$$ for anything beyond stock-type parts for one, it would be getting at least a 3.75"-stroke crank, too.

Re: New product 383/400 forged piston. [Re: BradH] #1686966
10/23/14 10:48 PM
10/23/14 10:48 PM
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Kalispell Mt.
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HotRodDave Offline
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I love light weight pistons but I think the biggest market for this would be a stock weight so no balancing is required. You start buying pistons, turning your crank, balancing... and it just becomes too much for a non-stroker build

Most of my customers want cheap performance. Strokers are awesome but just cost too much for most guys, on the other hand most guys can swing $2500-3000 for a 400/383 with 516 heads zero deck quench build, add a little cam and decent intake and you can build a strong stock stroke engine.


I am not causing global warming, I am just trying to hold off a impending Ice Age!



Re: New product 383/400 forged piston. [Re: HotRodDave] #1686967
11/05/14 03:00 AM
11/05/14 03:00 AM
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Update!


The first set should be ready in a couple weeks.I will post pics and specs with price then.Unlikely that this modern forging could be stock weight.But there may be a way to work that out.I am looking into that. Please continue comments and your ideas.


Leave the gun.......take the Cannoli's....Mike
Re: New product 383/400 forged piston. [Re: mike s] #1686968
11/14/14 07:38 PM
11/14/14 07:38 PM
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IL
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EchoSixMike Offline
mopar
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Lighter should be no problem, $150-250 for a balance job where you're just drilling the crank; as long as you don't have to put any mallory into it, not a big deal IMO. S/F.....Ken M

Re: New product 383/400 forged piston. [Re: mike s] #1686969
11/19/14 01:28 AM
11/19/14 01:28 AM
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Holly/MI
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Dean_Kuzluzski Offline
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Has anyone mentioned the idea of using a RB rod (6.76) to shorten the piston and reduce more weight?

I know the 383 already has a very good rod/stroke ratio, but this would be in the interest of reducing reciprocating mass. Or it's not worth the hassle?


R.I.P.- Gary "Coop" Davis 02/09/68-05/13/04
Re: New product 383/400 forged piston. [Re: Dean_Kuzluzski] #1686970
11/19/14 01:49 PM
11/19/14 01:49 PM
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What's left of GOD's country, ...
blue_stocker Offline
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Hughes engines carries a Diamond piston that uses the standard 6.766" rod. It's a flat top design, 1.516" compression height, p/n DIA51907-8 and looks to be a nice slug, but they ain't cheap!

Re: New product 383/400 forged piston. [Re: blue_stocker] #1686971
11/19/14 10:11 PM
11/19/14 10:11 PM
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Hey, was lookin' good until I got to...........

Quote:

but they ain't cheap!




And that's why I put out in this thread. Factory "LY" rods can be had cheap.


R.I.P.- Gary "Coop" Davis 02/09/68-05/13/04
Re: New product 383/400 forged piston. [Re: Dean_Kuzluzski] #1686972
11/20/14 05:08 PM
11/20/14 05:08 PM
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Mi,U.S.A.
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mike s Offline OP
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Keep the comments coming guys.I am exploring all piston and rod configurations.I think you will be pleased when I have the finished product to show you.I want to cover the 383-400 stock config first.I will get to the stroker and long rod configs soon if folks are interested.


Leave the gun.......take the Cannoli's....Mike
Re: New product 383/400 forged piston. [Re: mike s] #1686973
11/20/14 08:16 PM
11/20/14 08:16 PM
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Mesa, Arizona
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What are we talking price wise for a set or price per piston?

Re: New product 383/400 forged piston. [Re: mike s] #1686974
11/24/14 06:11 PM
11/24/14 06:11 PM
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Jamey Offline
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I'd buy a set if you make some .040 over size. I have a basically new short block 383 that has low compression. I'd like to use the engine in my satellite if I could bump the compression up some. So count me as a yes.

Re: New product 383/400 forged piston. [Re: Jamey] #1686975
11/25/14 05:45 PM
11/25/14 05:45 PM
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Virginia
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varunner Offline
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Will you be submitting this piston (stock 383) to NHRA for approval ? Time frame ?

Thanks

Re: New product 383/400 forged piston. [Re: varunner] #1686976
11/26/14 04:07 AM
11/26/14 04:07 AM
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mike s Offline OP
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Quote:

Will you be submitting this piston (stock 383) to NHRA for approval ? Time frame ?

Thanks





I am considering that.There seems to be some confusion on the spec for that piston.I have to contact NHRA to clear that up first.As I understand,the the piston should down the hole -.023.That would call for a 1.908 comp dist.The pistons certified have a distance of 1.890.Minumum deck should be 9.980. Perhaps it is a typo.I'll check.

Good news and some pics soon.


Leave the gun.......take the Cannoli's....Mike
Re: New product 383/400 forged piston. [Re: mike s] #1686977
11/26/14 12:49 PM
11/26/14 12:49 PM
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varunner Offline
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Thanks Mike. I'll be building a 383 stocker next spring, hope to have another piston to choose from.

Brian

Re: New product 383/400 forged piston. [Re: varunner] #1686978
11/28/14 11:50 PM
11/28/14 11:50 PM
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cdp Offline
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Finally....someone is listening.

I have a 2-71 383 HPs I'd like to put light weight stock compression height pistons in, in the near future. Would like to have a set myself.

Re: New product 383/400 forged piston. [Re: varunner] #1686979
12/06/14 01:51 PM
12/06/14 01:51 PM
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Johnstown, Ohio
69dart Offline
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I'd love to find some high compression 383 pistons but everyone only makes them in flat tops or dished.


33 Plymouth Roadster - 383 - 5.96 1/8th 9.58 1/4
68 Dart -273 (340 coming soon)
74 Challenger - 340
09 Challenger - SRT8
93 Dodge Dually - Cummins 5.9
93 Fleetwood RV - Cummins 5.9
Re: New product 383/400 forged piston. [Re: mike s] #1686980
12/07/14 05:27 AM
12/07/14 05:27 AM
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What's left of GOD's country, ...
blue_stocker Offline
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I recently picked up an NOS set of Arias Speedmasters made in the mid 70's. They utilize the std comp ht and the 1.094 pin. This set is unlike the others that I've had it the past as they have a shorter dome (rated@11:1?). The others I had years ago had a much taller dome but I don't recall their 'scr rating' with what head and deck. I can't tell you the true scr rating nor can I tell you the volumne these domes but they are short, maybe 8-9 CCs. They're out there, it just takes some digging and keeping your eyes opened.

BTW, just for reference, I have a set of TRW2315 pistons on-the-shelf, so I measured the ch which is 1.924" on this particular set. The 'official' NHRA compression height spec is 1.900".

As for your question Mike...if they're high quality, utilizing a 6.766 rod and .990 pin, with a 12-15cc dome, yup, I'm interested.

Re: New product 383/400 forged piston. [Re: blue_stocker] #1686981
12/13/14 06:12 AM
12/13/14 06:12 AM
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Mesa, Arizona
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az426hemi Offline
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Hey Mike S., I could have used a good set of pistons whan I started collecting parts for my 383. I am building a high revving 383 and had to use KB400 pistons. All machine work has been done. It is ready for assembly now. Finding good aftermarket rods are also a problem. I set my 383 up using the following specs:

My target with the KB pistons and stock rods is 450-500 hp at 6500 rpm.

KB400 +.040 pistons
Reconned stock rods w/ARP wavelocks. (Couldn't find any Eagle 383 rods, the supply of them is quite sporadic)
Steel crank
5/64 moly rings
Clevite bearings
Balanced spinning assembly
Mopar .528 Solid cam for initial start up and engine break in (Muscle Motors has spec'd out a custom Comp cam for me that I will use after I get the car and engine dialed in)
Stealth Heads w/Muscle Motors blueprinting and Stage One porting with 83cc chambers.
Edelbrock RPM intake
Biggs 750 vacuum carb.
MSD ignition

I understand the business need to start out with a stock rod 383 piston. But if you get this off the ground and can expand your line then I personally would like to see a set using the plentiful and inexpensive .990 long rod with floating pins and 1/16 rings. When they are available I will be the first in line.

I hope you can make this happen,
Mike F.

P.S. The car is a 1964 Dart with a Hemi 4 speed, Dana 60 w/4.10 gears.

Last edited by az426hemi; 12/13/14 05:40 PM.
Re: New Product 383/400 Forged Piston. [Re: az426hemi] #1686982
12/13/14 05:31 PM
12/13/14 05:31 PM
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mike s Offline OP
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Mike F you should have no issue reaching your power goal.A peak rpm would be nice about 5800-6200 rpm with the cast piston.

Now an update,the first set have been in the works for a customer's engine and should be here hopefully in a few days.4.310 bore size with 1.920 C.D. w/valve notches.1/16 ring package and stock pin size. Weight saving of about 100 grams over stock piston. This will be the standard piston exc bore size which will be available in +.030,+.040 and +.060.Standard C.D will be 1.930 for -.002 deck @9.980. Depending on cyl hd cc's,a.040 head gasket and bore size this should be a true 9.3 to 9.6 -1 comp ratio.Perfect for pump gas w/iron cyl hds.

Pics and price soon.Thanks for the input!


Leave the gun.......take the Cannoli's....Mike
Re: New Product 383/400 Forged Piston. [Re: mike s] #1686983
12/16/14 06:59 PM
12/16/14 06:59 PM
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mike s Offline OP
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Here are the pics. 100 gram weight saving.

Specs 383

Bore 4.25 +.030,.040,060
Stroke 3.38
1.930 will be the stock c.d. If you need less no extra cost.
6.7 cc valve notches (Pistons are not L or R with these notches) Big valve version will be L and R at no extra cost.
6.358 rod.
1.094 pin (.990 pin no cost option) Press or float, new style (round) lock rings included.

Price $625.00 plus shipping.

8364451-383top.jpg (329 downloads)

Leave the gun.......take the Cannoli's....Mike
Re: New Product 383/400 Forged Piston. [Re: mike s] #1686984
12/16/14 07:00 PM
12/16/14 07:00 PM
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#2

8364452-383side2.jpg (266 downloads)

Leave the gun.......take the Cannoli's....Mike
Re: New Product 383/400 Forged Piston. [Re: mike s] #1686985
12/16/14 07:01 PM
12/16/14 07:01 PM
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#3

8364453-383bottom.jpg (239 downloads)

Leave the gun.......take the Cannoli's....Mike
Re: New Product 383/400 Forged Piston. [Re: mike s] #1686986
12/16/14 10:46 PM
12/16/14 10:46 PM
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Rittman Ohio
fourgearsavoy Offline
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Wow very nice I think the value of 383 blocks just went up

Gus


64 Plymouth Savoy
493 Indy EZ's by Nick at Compu-Flow
5-Speed Richmond faceplate Liberty box
Dana 60
Re: New Product 383/400 Forged Piston. [Re: mike s] #1686987
12/21/14 08:13 PM
12/21/14 08:13 PM
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JohnRR Offline
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Quote:

Here are the pics. 100 gram weight saving.

Specs 383

Bore 4.25 +.030,.040,060
Stroke 3.38
1.930 will be the stock c.d. If you need less no extra cost.
6.7 cc valve notches (Pistons are not L or R with these notches) Big valve version will be L and R at no extra cost.
6.358 rod.
1.094 pin (.990 pin no cost option) Press or float, new style (round) lock rings included.

Price $625.00 plus shipping.




That hurts right there that a compression killer , as you know the 383 has enough trouble building compression with the stock stroke.

You made a piston , if it is 1.920 that only has a .004 taller CH than a diamond piston that is lighter and has almost 2cc smaller valve reliefs.

Here's the problem I see , there are 3 383 piston for 4bbl HP type 383's , the 59-67 with closed chamber , the 68-69 with open chamber and 70-71.

The 383 forged crank is 3.375 stroke , the 400 cast (and possibly 71 383-2bbl ??) is 3.38.

Math ... 9.980 - 3.375/2 - 6.358= 1.9345

The 68-69 Hp pistons are 1.932

Those rebuilding 383's are CHEAP , they have a hard time justifying the cost to do it right because many have been halfarseing it for too long and getting by with it.

I do applaud the effort , but there really needs to be a QUENCH DOME 383 piston , too many of these guys are still stuck in 1970 and still think the 906 is the best head for a big block.

You need to sit down and do the math to figure out what would be the best compromise to cover both the 906/346 and the 452 variants as open part of the chamber depth is different between the two from my limited experience.

Re: New Product 383/400 Forged Piston. [Re: JohnRR] #1686988
12/21/14 09:26 PM
12/21/14 09:26 PM
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mike s Offline OP
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John,that was for this set.That is the great thing about these.Custom options at no cost.Yes ,right now I am focusing on an iron head 9.5-1 closed chamber set up.There are available wo /notches.I also reread some of the sae papers on quench..040 is the absolute minimum recommended and even .080 is beneficial.Price wise I think it is very fair.Sealed power forged pistons and a notch job would cost more.As far as hyper stuff,I do not use them ,I would rather run the old stock cast stuff.

Thanks for your input,Mike


Leave the gun.......take the Cannoli's....Mike
Re: New Product 383/400 Forged Piston. [Re: mike s] #1686989
12/22/14 12:54 AM
12/22/14 12:54 AM
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U.S.S.A.
I think the price is fair

I've run quench tighter but everything has to be right. I shoot for .045 max. I wouldn't bother worrying about if it's going to be .080, you don't need a fancy piston, steel shim gasket and cut the head .040 .

The stock 383 in my dart has the piston about .002 in the hole, heads are 90cc stock, compression is only 9.2 with no quench.

Re: New Product 383/400 Forged Piston. [Re: JohnRR] #1686990
12/22/14 05:44 AM
12/22/14 05:44 AM
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mike s Offline OP
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John,I have checked some 906 heads and the recess area is about .090-.100 deep stock.One issue is they are not a machined area as you know and some chambers have a bit of slag in them.Another issue is at the point where the recess meets area of the chamber where the valves are.Some appear to be thinner in that area.As I wrote earlier I would rather use a plus deck height than a quench dome.

9.5-1 can be reached,depending on bore size with a closed chamber cyl hd @80cc's. 5 to 7 cc dome (off the top of my head )would allow 10.5-1.That is a very small dome that I have used before (Ross) 4.280 bore 0 deck@9.968 with 84 cc Eddies and 5 cc dome 10.7-1 .040 quench.

I will continue to investigate all the issues discussed. I may have misspoke as I am pretty sure these are lighter than any Diamonds I have used.The important issue is we now have a platform that can be used to cover several combos without the custom prices.


Leave the gun.......take the Cannoli's....Mike
Re: New Product 383/400 Forged Piston. [Re: mike s] #1686991
12/22/14 10:22 AM
12/22/14 10:22 AM
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IL
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EchoSixMike Offline
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IL
I'd be for a quench dome version. Some folks are stuck with iron heads due to rules and too much cutting on heads leads to questions better left unanswered, know what I'm saying? S/F....Ken M

Re: New Product 383/400 Forged Piston. [Re: EchoSixMike] #1686992
12/22/14 07:31 PM
12/22/14 07:31 PM
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usa
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lewtot184 Offline
master
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usa
a pump gas friendly quench piston would sell. 383-400 guys are starving for a street piston.

Re: New product 383/400 forged piston. [Re: Jerry] #1686993
12/24/14 05:20 AM
12/24/14 05:20 AM
Joined: Nov 2003
Posts: 1,027
What's left of GOD's country, ...
blue_stocker Offline
super stock
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What's left of GOD's country, ...
Mike
What type of material is the 'race piston' to be mfg'd from? Will there be a particular dome configuration/style, is that being considered, anything similar to these? Flame slot? Shorter CH similar to the above mentioned long rod (6.76) piston? By-all-means, if you're going to produce something similar, I'd like a set myself.

Re: New product 383/400 forged piston. [Re: blue_stocker] #1686994
12/27/14 04:50 AM
12/27/14 04:50 AM
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mike s Offline OP
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The race pistons will be forged or billet 2618 aluminum alloy.They are nothing like that Arias.That piston from Arias is a real oldie.Same blank in use by Forgetrue and they disappeared in the 70's.Super heavy too. Minimum clearance at least .007-.008

Last edited by mike s; 12/27/14 04:54 AM.

Leave the gun.......take the Cannoli's....Mike
Re: New product 383/400 forged piston. [Re: mike s] #1686995
12/27/14 05:54 AM
12/27/14 05:54 AM
Joined: Nov 2003
Posts: 1,027
What's left of GOD's country, ...
blue_stocker Offline
super stock
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What's left of GOD's country, ...
Yup, you're right about these Arias pistons, made in the mid-70s but typical of the quality of that time period and a very similar Alcoa forging blank used by Venolia. Nonetheless, a pretty good piston considering and tons better than a high silicon/boat-anchor TRW-type. So, is there a 'set' dome configuration? Pin boss oiling, accumulator machining, etc? Thanks...wb

Re: New product 383/400 forged piston. [Re: blue_stocker] #1686996
01/03/15 02:52 AM
01/03/15 02:52 AM
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mike s Offline OP
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Just a heads up. Bobweight for the first engine with these flat tops. 2335G. Stock rods and stock steel crank.


Leave the gun.......take the Cannoli's....Mike
Re: New product 383/400 forged piston. [Re: mike s] #1686997
01/24/15 10:11 AM
01/24/15 10:11 AM
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Posts: 1,004
Madison, Wisconsin
chrisnben Offline
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Quote:

Keep the comments coming guys.I am exploring all piston and rod configurations.I think you will be pleased when I have the finished product to show you.I want to cover the 383-400 stock config first.I will get to the stroker and long rod configs soon if folks are interested.



Mike,
any thoughts on the shorter stroker set-up lately? I'm jones'n for a piston for my 400/ 3.91 crank build here. Still looking around for a shelf piston that will get 10.5/1 up to 11/1 CR running a 78cc aluminum head. I'm first in line for the release of the Trickflow heads next month.


'70 Cuda "Badfish 2"- in the works

Home of MoPar University- We school 'em one at a time!!
Re: New product 383/400 forged piston. [Re: mike s] #1686998
01/24/15 09:11 PM
01/24/15 09:11 PM
Joined: Jan 2005
Posts: 10,023
Kalispell Mt.
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HotRodDave Offline
I Live Here
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Kalispell Mt.
Quote:

Update!


The first set should be ready in a couple weeks.I will post pics and specs with price then.Unlikely that this modern forging could be stock weight.But there may be a way to work that out.I am looking into that. Please continue comments and your ideas.




Any progress on this front? I have a customer with a 400 in my shop right now, scored a deal on re-built big valve 516 heads and he could probably be talked into the piston if it was not for the re-balance on top of it. Otherwise we will just buy cheap re-builder 440 .060 over pistons and deck the snot out of the block and be cheaper.


I am not causing global warming, I am just trying to hold off a impending Ice Age!



Re: New product 383/400 forged piston. [Re: HotRodDave] #1686999
01/25/15 09:50 PM
01/25/15 09:50 PM
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mike s Offline OP
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Chris, what con rod are you using? I don't think your set up will be an issue.

Dave, I haven't heard much on the heavy piston due to vacations. Everyone should be back this week. I doubt I can add enough weight to make them sealed power/trw stock forged pistons. I know how customers are and you can't please everyone. These are intended to be an upgrade not a replacement. Likely the 400 piston would save enough weight that the engine could be internally balanced. That should be a big plus for a 400 stock stroke owner. Steel 383 crank is now an option too.

BTW Owner of the first set is very pleased with his engine.


Leave the gun.......take the Cannoli's....Mike
Re: New product 383/400 forged piston. [Re: mike s] #1687000
01/26/15 11:08 PM
01/26/15 11:08 PM
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Kalispell Mt.
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HotRodDave Offline
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HotRodDave  Offline
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Kalispell Mt.
Yeah I know it seems kind of odd asking for a heavier piston but seems the only reason guys will build a 383 or 400 is to save $$$.

I do have a few steel cranks sitting around I could throw one in his motor.


I am not causing global warming, I am just trying to hold off a impending Ice Age!



Re: New product 383/400 forged piston. [Re: BradH] #1687001
01/28/15 05:21 PM
01/28/15 05:21 PM
Joined: Jan 2003
Posts: 14,557
Valhalla... eventually
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BradH Offline
I almost got away with it!
BradH  Offline
I almost got away with it!
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Valhalla... eventually
Quote:

Having built both 383s and 440s in the past, I'd never build another stock-stroke 383 that required "good" pistons. If I had to spend the $$$ for anything beyond stock-type parts for one, it would be getting at least a 3.75"-stroke crank, too.



Good luck to the OP w/ this effort, but I believe my original post from "way back when" is still valid.

Re: New Product 383/400 Forged Piston. [Re: mike s] #1687002
02/03/15 03:39 PM
02/03/15 03:39 PM
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JohnRR Offline
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Quote:



9.5-1 can be reached,depending on bore size with a closed chamber cyl hd @80cc's. 5 to 7 cc dome (off the top of my head )would allow 10.5-1.That is a very small dome that I have used before (Ross) 4.280 bore 0 [Email]deck@9.968[/Email] with 84 cc Eddies and 5 cc dome 10.7-1 .040 quench.





Curious what calculator you use , I have a 383 with a piston at zero , 3cc valve reliefs, steel shim head gasket and 80 cc heads and I'm just over 10 , I think 10.2 ?

Re: New product 383/400 forged piston. [Re: chrisnben] #1687003
02/03/15 03:44 PM
02/03/15 03:44 PM
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JohnRR Offline
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Quote:

Quote:

Keep the comments coming guys.I am exploring all piston and rod configurations.I think you will be pleased when I have the finished product to show you.I want to cover the 383-400 stock config first.I will get to the stroker and long rod configs soon if folks are interested.



Mike,
any thoughts on the shorter stroker set-up lately? I'm jones'n for a piston for my 400/ 3.91 crank build here. Still looking around for a shelf piston that will get 10.5/1 up to 11/1 CR running a 78cc aluminum head. I'm first in line for the release of the Trickflow heads next month.




Chris, the piston you seek should be readily available shelf stock 4.375 bore, 1.32CH with a 5cc valve relief at zero deck and a std. .041 head gasket will get you 11.12

Re: New product 383/400 forged piston. [Re: mike s] #1687004
03/03/15 01:36 PM
03/03/15 01:36 PM
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Mi,U.S.A.
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mike s Offline OP
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Mi,U.S.A.
Hi all, for a reason unknown to me my supplier has changed my deal and they have cut out most of the free options.I am now searching for another supplier. However this piston is available now.Piston will be the following a flat top,1/16 rings,CD of your choice,symmetrical valve reliefs and overbore size of .030-.040-.060.Sorry guys compression ratio will have to be modified by the cc's of the cyl head.I see that will be the only way to keep the price down. Thanks for all your support,Mike

Last edited by mike s; 03/07/15 01:32 PM.

Leave the gun.......take the Cannoli's....Mike
Re: New product 383/400 forged piston. [Re: mike s] #1687005
03/15/15 09:02 PM
03/15/15 09:02 PM
Joined: Jan 2003
Posts: 6,531
Jacksonville, FL
Chris2581 Offline
master
Chris2581  Offline
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Jacksonville, FL
I would like to see a piston at +.020... I try not to have to go straight to +.030 unless I have to.


Nautilus Racing-
We use Superformance gaskets and Turbo Action converters/products.
Re: New product 383/400 forged piston. [Re: Chris2581] #1687006
03/21/15 04:46 PM
03/21/15 04:46 PM
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mike s Offline OP
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Chris,I now believe +.020 will be the first oversize. I want to keep the asymmetrical valve reliefs and therefore I have to drop an option. I think that will be the adjustable Comp dist. As of now the standard piston will be the following:

Bore size 4.25 +.020,030,040,060. or 4.375 for 400 block.
Ring pack 1/16 1/16 /3/16
Comp dist 1.930
Asymmetrical valves reliefs or flat top w/o reliefs.


Leave the gun.......take the Cannoli's....Mike
Re: New product 383/400 forged piston. [Re: mike s] #1832690
05/23/15 09:03 AM
05/23/15 09:03 AM
Joined: Aug 2003
Posts: 8,460
Mt.Gilead, Ohio
OhioMopar Offline
master
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Mt.Gilead, Ohio
So, any updates here? Where do we find these pistons?

Re: New product 383/400 forged piston. [Re: OhioMopar] #1835788
05/28/15 03:48 AM
05/28/15 03:48 AM
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mike s Offline OP
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Hi, pistons are available from me. Only change is the valve reliefs. As of now only symetrical valve reliefs will be available.As shown in the pics posted here.Thanks,Mike


Leave the gun.......take the Cannoli's....Mike
Re: New product 383/400 forged piston. [Re: mike s] #2382269
10/05/17 03:03 AM
10/05/17 03:03 AM
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mike s Offline OP
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In Nov.I should have my first sets of pistons from my new supplier. First up will be 383 pistons forged flat top with generous asymmetrical valve reliefs,1/16 1/16 3/16 ring size,standard 1.094 pin..Available in .+030-.+040 and.+060 over sizes.1.920 comp distance. 4032 alloy for tighter fit and quietness.

Price will be 640.00 plus shipping


Leave the gun.......take the Cannoli's....Mike
Re: New product 383/400 forged piston. [Re: mike s] #2385309
10/10/17 10:07 PM
10/10/17 10:07 PM
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Pacific NW USA
CompSyn Offline
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CompSyn  Offline
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Pacific NW USA
Originally Posted By mike s
In Nov.I should have my first sets of pistons from my new supplier. First up will be 383 pistons forged flat top with generous asymmetrical valve reliefs,1/16 1/16 3/16 ring size,standard 1.094 pin..Available in .+030-.+040 and.+060 over sizes.1.920 comp distance. 4032 alloy for tighter fit and quietness.

Price will be 640.00 plus shipping



I'll be looking for replacements for 68-69 HP pistons.

Ideally I'll be looking for the following:

- 1.932" Compression Distance
- Flat Top w/NO valve reliefs
- 4032 alloy
- 1.094 pin
- 1/16 1/16 3/16 ring size
-.+030 oversize

Can I get these through you? What would they cost?

Re: New product 383/400 forged piston. [Re: CompSyn] #2386824
10/13/17 12:58 PM
10/13/17 12:58 PM
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mike s Offline OP
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Reality of manufacturing today is you have to compromise. I wanted to make a true 9.5-1 comp easy to get to.(pump gas) Some blocks are a bit short on deck height therefore the 1.920 comp distance. Valve notches are one item that was missing from the old standard sealed power/trw slugs.Must folks want that so they are included.I can not make every combo at this price.Overall I believe I chose the best options.The set up for comp can be tuned in with deck height and cyl hd cc's.Thanks for your interest.


Btw if anyone is interested just email me or message me here on Moparts

threerail@msn.com


Leave the gun.......take the Cannoli's....Mike
Re: New product 383/400 forged piston. Now in stock!!! [Re: mike s] #2429787
01/06/18 04:07 AM
01/06/18 04:07 AM
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mike s Offline OP
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Originally Posted By mike s
In Nov.I should have my first sets of pistons from my new supplier. First up will be 383 pistons forged flat top with generous asymmetrical valve reliefs,1/16 1/16 3/16 ring size, standard 1.094 pin.Press or float. Available in .+030-.+040 and.+060 over sizes.1.920 comp distance. Forced pin oiling. 4032 alloy for tighter fit and quietness.

Price will be 640.00 plus shipping



Pistons are now in stock. They are available in .030,040 and .060
0 pin offset with 5.25 cc asymmetrical valve reliefs. Press fit or float. Forced pin oiling. Locks and Pins included.
Pics soon

Last edited by mike s; 01/11/18 01:19 PM.

Leave the gun.......take the Cannoli's....Mike
Re: New product 383/400 forged piston. [Re: mike s] #2433226
01/12/18 03:56 AM
01/12/18 03:56 AM
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mike s Offline OP
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pic 1

383-2.jpg

Leave the gun.......take the Cannoli's....Mike
Re: New product 383/400 forged piston. [Re: mike s] #2434908
01/15/18 11:30 AM
01/15/18 11:30 AM
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Indiana
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cuda620 Offline
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Is there a 400 forged piston available for stock stroke? Thanks.

Re: New product 383/400 forged piston. [Re: cuda620] #2435402
01/16/18 01:51 AM
01/16/18 01:51 AM
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mike s Offline OP
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Not yet . I do have plans for them in the future.It will depend on the success of the 383 program. It takes a huge investment for these type of programs to happen. Always a chance that a large firm will notice and with more resources will decide to have them made.Mancini did exactly that.However they are more expensive and not on the shelf. 2-3 week wait.No problem as Mancini guys are some of my best friends.If someone steps up so be it. I have a nice piece here for a street hi performance 383 which can fill the need.Thank you for your interest. Mike

p.s everyone who used and purchased the 1st gen of these have been more than happy and totally surprised in the difference in the engines. No comparison to the trw/speed pro stuff.Small hp and friction gain but a huge acceleration and response difference even with the stock mopar 383-440 camshaft.

Last edited by mike s; 01/16/18 01:54 AM.

Leave the gun.......take the Cannoli's....Mike
Re: New product 383/400 forged piston. [Re: mike s] #2579617
11/17/18 05:39 PM
11/17/18 05:39 PM
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mike s Offline OP
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Bump


Leave the gun.......take the Cannoli's....Mike
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