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383 based strokers #1550573
12/20/13 04:43 PM
12/20/13 04:43 PM
Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
dartman366 Offline OP
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Mt. Vernon, Ohio
what would be a good package in a 3100# drag car and run in the 9.80-10.00 area, I have heard of a 430 kit and was wondering how they hold up compared to a 440 based package.

Last edited by dartman366; 12/20/13 04:55 PM.

Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
Re: 383 based strokers [Re: dartman366] #1550574
12/20/13 05:04 PM
12/20/13 05:04 PM
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Bend,OR USA
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Cab_Burge Offline
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Bend,OR USA
If your going to spend money on a crank why not step up to a 4.25 with the BB Chevy 2.200 rod sizes, that makes a 484 C.I. motor Or maybe a 3.91 stroke motor with 2.200 rod journals for a little smaller stroke the lighter(and much cheaper costs BB Chevy H beam style rods)rods and writs pins will help the motor RPM faster and slow down faster than the stock size Mopar rods will


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: 383 based strokers [Re: Cab_Burge] #1550575
12/20/13 06:59 PM
12/20/13 06:59 PM
Joined: Aug 2003
Posts: 8,716
Baltimore/Denver
64Post Offline
master
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Baltimore/Denver
I did the 383/3.90/6.700 Chevy rod combo. From what I remember, it ran pretty good for being at 6,000 ft.+… Trying to get it freshened at the moment.

I’d start with a 400 block and do a 470” combo at the minimum if I had the block laying around.

Re: 383 based strokers [Re: dartman366] #1550576
12/20/13 11:10 PM
12/20/13 11:10 PM
Joined: Jan 2003
Posts: 75,043
U.S.S.A.
JohnRR Offline
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Is this build going to be race only ? Is so I have a 450" 383 based kit with 12.3ish diamond pistons I'll sell ...

Re: 383 based strokers [Re: dartman366] #1550577
12/21/13 02:46 AM
12/21/13 02:46 AM
Joined: Jan 2003
Posts: 296
Ontario Canada
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Hutch Offline
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Ontario Canada

Whats wrong with just leaving it a 383 with good rods and pistons? Spend a few bucks on some good heads and go. Mine runs 9.80-10.10 depending on weather in a 3100lb car every weekend. You have to buy some good stuff to rev them but they work quite well.


Hutch

Re: 383 based strokers [Re: JohnRR] #1550578
12/21/13 03:27 AM
12/21/13 03:27 AM
Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
dartman366 Offline OP
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Yes this is going to be a race only deal, only problem is I will have to the Johnny Cash deal and do it one piece at a time in order to be able to afford to do it the way I want,, I figure I should get the heads first so I know what I am working with to select pistons and such,,,the only problem with a 400 block is availability, they don't seem to be any ways near as popular around here as the 383's are, plus I have heard the 383 block has always been a stout block.


Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
Re: 383 based strokers [Re: dartman366] #1550579
12/21/13 03:38 AM
12/21/13 03:38 AM
Joined: May 2003
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aZLiViN
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J_BODY Offline
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....I've got a complete 72 400 sitting in a garage in central SoDak I need to get rid of. wish you were closer.

Re: 383 based strokers [Re: J_BODY] #1550580
12/21/13 03:42 AM
12/21/13 03:42 AM
Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
dartman366 Offline OP
I Live Here
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Quote:

....I've got a complete 72 400 sitting in a garage in central SoDak I need to get rid of. wish you were closer.


yeah, me too.


Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
Re: 383 based strokers [Re: J_BODY] #1550581
12/21/13 03:47 AM
12/21/13 03:47 AM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
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Quote:

....I've got a complete 72 400 sitting in a garage in central SoDak I need to get rid of. wish you were closer.




J... maybe next year when I'm out there bird hunting
I can pick them up for you and bring them back to
the Detroit area

Re: 383 based strokers [Re: dartman366] #1550582
12/21/13 05:24 AM
12/21/13 05:24 AM
Joined: Aug 2003
Posts: 43,223
Bend,OR USA
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Cab_Burge Offline
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Quote:

the only problem with a 400 block is availability, they don't seem to be any ways near as popular around here as the 383's are, plus I have heard the 383 block has always been a stout block.


I haven't heard that about a 383 hopped up a bunch with a longer stroke crank like a 4.15 or 4.25 I'm under the impression that all the production 383 blocks had the same main webbing as the 413,426W and 440 did, not thick like all the 400 blocks are Be careful on your parts selection Sometimes waiting a little longer to save for the better part is a lot better in the long run


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: 383 based strokers [Re: Cab_Burge] #1550583
12/21/13 03:57 PM
12/21/13 03:57 PM
Joined: Jan 2003
Posts: 1,412
Johnstown
69dart Offline
pro stock
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Johnstown
My roadster has a true 383 and you know what it runs. Only 2100 lbs with me in the seat though. The issue with 383 strokers is there are no off the shelf high compression pistons so custom will be required.


33 Plymouth Roadster - 383 - 5.90 1/8th 9.58 1/4
68 Dart - 340
66 Belvedere - 400

Windy Hollow Garage - https://www.youtube.com/@windyhollowgarage
Re: 383 based strokers [Re: 69dart] #1550584
12/21/13 04:03 PM
12/21/13 04:03 PM
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Portage,michigan
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Bill...are you thinking of getting rid of the smallblock you run now?

Hope not...would REALLY like to see you merely put a good set of heads on what you currently have, like the 230 Indy heads. At your weight with your 904 car would likely be even quicker than what your stated goals are.


69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, 10.40 @127 1/4
1.41 best 60 foot
6.60 at 103.90 1/8

Re: 383 based strokers [Re: B3422W5] #1550585
12/21/13 05:01 PM
12/21/13 05:01 PM
Joined: May 2005
Posts: 1,030
ohio
6
67mprfan Offline
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ohio
Bill you are more than welcome to come and join the bb club


your current combo does work good though


71 demon stock stroke 440/indy ez-1 running 10.10 @ 132.14 mph in the 1/4 and 6.36 @ 107.46 mph in the 1/8 not in the same weekend but It did it then I sold it.
67 Belvedere that worked it's way in the 10's
Re: 383 based strokers [Re: 67mprfan] #1550586
12/21/13 06:07 PM
12/21/13 06:07 PM
Joined: Mar 2004
Posts: 2,475
SW Ohio
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cgall Offline
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RBDuster built a 470" low deck that has run 5.7's in the 1/8th in his K-car at 2400 lbs. Let's see if I can flush him out to post the details.




Re: 383 based strokers [Re: Cab_Burge] #1550587
12/21/13 09:19 PM
12/21/13 09:19 PM
Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
dartman366 Offline OP
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Mt. Vernon, Ohio
Quote:

Quote:

the only problem with a 400 block is availability, they don't seem to be any ways near as popular around here as the 383's are, plus I have heard the 383 block has always been a stout block.


I haven't heard that about a 383 hopped up a bunch with a longer stroke crank like a 4.15 or 4.25 I'm under the impression that all the production 383 blocks had the same main webbing as the 413,426W and 440 did, not thick like all the 400 blocks are Be careful on your parts selection Sometimes waiting a little longer to save for the better part is a lot better in the long run


Cab, what I ment was that I have never heard anyone have any issues with the 383 blocks cracking, blowing out the cylander walls or massive core shift like some of the other production blocks.


Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
Re: 383 based strokers [Re: B3422W5] #1550588
12/22/13 12:24 PM
12/22/13 12:24 PM
Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
dartman366 Offline OP
I Live Here
dartman366  Offline OP
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Mt. Vernon, Ohio
Quote:

Bill...are you thinking of getting rid of the smallblock you run now?

Hope not...would REALLY like to see you merely put a good set of heads on what you currently have, like the 230 Indy heads. At your weight with your 904 car would likely be even quicker than what your stated goals are.


No Don I have no intention's of getting rid of the 408, may have some different plans for it later or just keep it for a rainy day, I also have a 69-30over 340 block that I have been stareing at alot here lately, I plan on some day to build up a nice street toy just to cruise in and that will be smallblock power


Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
Re: 383 based strokers [Re: dartman366] #1550589
12/22/13 12:47 PM
12/22/13 12:47 PM
Joined: Nov 2003
Posts: 893
illinois
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rbkt65 Offline
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illinois
we run a 438 in a 3000 lb duster at gateway, it has a racer brown stx22,untouched rpm heads and junk 750 dp. it runs 10.52 most of time. put a good ken jones 1050 on it at end of year and ran 10.32 3 passes in row. thinking of updating it to source 496. compression will be around 12.5 or so. should put car into 9s.

Re: 383 based strokers [Re: rbkt65] #1550590
12/22/13 01:56 PM
12/22/13 01:56 PM
Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
dartman366 Offline OP
I Live Here
dartman366  Offline OP
I Live Here

Joined: Jan 2004
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Mt. Vernon, Ohio
Quote:

we run a 438 in a 3000 lb duster at gateway, it has a racer brown stx22,untouched rpm heads and junk 750 dp. it runs 10.52 most of time. put a good ken jones 1050 on it at end of year and ran 10.32 3 passes in row. thinking of updating it to source 496. compression will be around 12.5 or so. should put car into 9s.


what is your comp ratio in present form?


Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
Re: 383 based strokers [Re: dartman366] #1550591
12/22/13 02:02 PM
12/22/13 02:02 PM
Joined: Jan 2003
Posts: 7,327
Toronto (YYZ) Ontario
YYZ Offline
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Toronto (YYZ) Ontario
FWIW and not to hijack the thread, but I have some low deck stroker stuff that I no longer need due to a change in direction.

New Diamond 59150 stroker pistons for .030 over 383 - same ones used in the AndyF 383 stroker build

New Mopar American crank offset ground to 3.900" stroke, 2.200" rod journals done by a reputable crank shop.

If anyone is interested, please PM me. Pistons are easy to ship, the crank not so much.

Re: 383 based strokers [Re: dartman366] #1550592
12/22/13 02:45 PM
12/22/13 02:45 PM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
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Bill.. the only 383 based engine I built was a destroked
383.. high reving in my 69 Valiant (that was a
9000-10000 rpm engine) with a rock crusher trans

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