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Custom Pistons #1707236
12/06/14 02:12 PM 12/06/14 02:12 PM
Joined: Jan 2003
Posts: 1,412
Johnstown
69dart Offline OP
pro stock
69dart  Offline OP
pro stock

Joined: Jan 2003
Posts: 1,412
Johnstown
I'm starting the process of building a new 383 for the roadster. Since it doesn't look like anyone makes forged dome pistons for a 4.28 or 4.31 bore with a 1.32 compression height it looks like I may need to order a set of custom pistons. I basically need the Ross 99499 in a 4.28 bore.

What's everyone's favorite source and what kind of price can I expect?

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: Custom Pistons [Re: 69dart] #1707237
12/06/14 02:15 PM 12/06/14 02:15 PM
Joined: Jan 2003
Posts: 32,394
Q
Quicktree Offline
I Win
Quicktree  Offline
I Win
Q

Joined: Jan 2003
Posts: 32,394
diamond would be a good choice, but how did you end up with a 4.28 bore why not just go with a common size?
Re: Custom Pistons [Re: Quicktree] #1707238
12/06/14 02:20 PM 12/06/14 02:20 PM
Joined: Jan 2003
Posts: 1,412
Johnstown
69dart Offline OP
pro stock
69dart  Offline OP
pro stock

Joined: Jan 2003
Posts: 1,412
Johnstown
A 383 standard bore is 4.25 so .030 over is 4.28 and .060 over is 4.31.

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: Custom Pistons [Re: 69dart] #1707239
12/06/14 02:24 PM 12/06/14 02:24 PM
Joined: Jan 2003
Posts: 32,394
Q
Quicktree Offline
I Win
Quicktree  Offline
I Win
Q

Joined: Jan 2003
Posts: 32,394
I understand, but i would find and off the shelf piston and go with that bore. be a lot cheaper unless you just want a custom piston.
Re: Custom Pistons [Re: 69dart] #1707240
12/06/14 02:27 PM 12/06/14 02:27 PM
Joined: Nov 2009
Posts: 3,410
Belpre,Ohio
C
CHAPPER Offline
master
CHAPPER  Offline
master
C

Joined: Nov 2009
Posts: 3,410
Belpre,Ohio
I would call Ross. They can fix you up. I would estimate $900 w/pins.

If you like drag racing, support your local track.
Re: Custom Pistons [Re: 69dart] #1707241
12/06/14 02:32 PM 12/06/14 02:32 PM
Joined: Dec 2013
Posts: 403
Romulus, MI
GTS340 Offline
mopar
GTS340  Offline
mopar

Joined: Dec 2013
Posts: 403
Romulus, MI
Quote:

I'm starting the process of building a new 383 for the roadster. Since it doesn't look like anyone makes forged dome pistons for a 4.28 or 4.31 bore with a 1.32 compression height it looks like I may need to order a set of custom pistons. I basically need the Ross 99499 in a 4.28 bore.

What's everyone's favorite source and what kind of price can I expect?



RaceTec. If they make it from one of their AutoTec forgings less than $700. I was recently quoted $685 directly from them for a 4.28 replacement for the old TRW 2293 heavy dome piston with 22cc dome only in a 1.53CH. If a member here is a dealer you may find better pricing. Their AutoTec shelf offerings are nice for the money.
Re: Custom Pistons [Re: GTS340] #1707242
12/06/14 03:10 PM 12/06/14 03:10 PM
Joined: Sep 2003
Posts: 1,049
San Jose Ca.
boatracer572 Offline
super stock
boatracer572  Offline
super stock

Joined: Sep 2003
Posts: 1,049
San Jose Ca.
I used JE pistons this time around for my new (bigger) predator shortblock. pored a chamber mold, told them what options i wanted,pin height,ring package,exc. and had them in two weeks...I was a ross piston guy for years, but after seeing the quality and fit JE pistons puts out there im changing brands for good..... BTW there about the same price as ross..
Re: Custom Pistons [Re: boatracer572] #1707243
12/06/14 03:11 PM 12/06/14 03:11 PM
Joined: Sep 2003
Posts: 1,049
San Jose Ca.
boatracer572 Offline
super stock
boatracer572  Offline
super stock

Joined: Sep 2003
Posts: 1,049
San Jose Ca.
this is the mold I poured...
Re: Custom Pistons [Re: boatracer572] #1707244
12/06/14 03:22 PM 12/06/14 03:22 PM
Joined: Jul 2004
Posts: 19,317
State of confusion
T
Thumperdart Offline
I Live Here
Thumperdart  Offline
I Live Here
T

Joined: Jul 2004
Posts: 19,317
State of confusion
Quote:

I used JE pistons this time around for my new (bigger) predator shortblock. pored a chamber mold, told them what options i wanted,pin height,ring package,exc. and had them in two weeks...I was a ross piston guy for years, but after seeing the quality and fit JE pistons puts out there im changing brands for good..... BTW there about the same price as ross..



Been using JE`s for as long a I can remember.

72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
Re: Custom Pistons [Re: Thumperdart] #1707245
12/06/14 03:29 PM 12/06/14 03:29 PM
Joined: Nov 2003
Posts: 10,384
Upstate NY
Bigcube Offline
I Live Here
Bigcube  Offline
I Live Here

Joined: Nov 2003
Posts: 10,384
Upstate NY
Used Ross the first time and Diamond the second. Quality was nice with both.


Jim
Re: Custom Pistons [Re: 69dart] #1707246
12/06/14 03:48 PM 12/06/14 03:48 PM
Joined: Nov 2004
Posts: 6,890
North Alabama
M
Monte_Smith Offline
master
Monte_Smith  Offline
master
M

Joined: Nov 2004
Posts: 6,890
North Alabama
Quote:

I'm starting the process of building a new 383 for the roadster. Since it doesn't look like anyone makes forged dome pistons for a 4.28 or 4.31 bore with a 1.32 compression height it looks like I may need to order a set of custom pistons. I basically need the Ross 99499 in a 4.28 bore.

What's everyone's favorite source and what kind of price can I expect?

You do realize that you don't have to do anything in equal increments right. What I mean is.....if you have to order a custom piston anyway, bore it enough to straighten the bore, whatever that number is and order a piston made to fit that bore. No need to go exactly .030 or .060, unless you just want it that big.

Personally, I use nothing but Diamond or Venolia

Monte
Re: Custom Pistons [Re: 69dart] #1707247
12/06/14 04:13 PM 12/06/14 04:13 PM
Joined: May 2008
Posts: 5,399
Aurora, Colorado
451Mopar Offline
master
451Mopar  Offline
master

Joined: May 2008
Posts: 5,399
Aurora, Colorado
I think the ROSS custom pistons dome are around $1100-1200/set last set my friend bought?
Re: Custom Pistons [Re: 69dart] #1707248
12/06/14 04:50 PM 12/06/14 04:50 PM
Joined: Mar 2014
Posts: 7
Texas USA
N
NBTXDART Offline
member
NBTXDART  Offline
member
N

Joined: Mar 2014
Posts: 7
Texas USA
I Have A Set Of JE's 0.30 With 20 Runs On Them. Will Let Them Go.I'll Post Pics Later This Weekend
Re: Custom Pistons [Re: NBTXDART] #1707249
12/06/14 05:27 PM 12/06/14 05:27 PM
Joined: Nov 2003
Posts: 1,664
North Sweden
R
RT540 Offline
top fuel
RT540  Offline
top fuel
R

Joined: Nov 2003
Posts: 1,664
North Sweden
My last set of custom pistons was bought through Scott Brown and came from CP.
Scott quoted me prices for Ross, Diamond and CP, but recommended me to go with CP.
Really nice finish and fit.
Re: Custom Pistons [Re: RT540] #1707250
12/06/14 05:30 PM 12/06/14 05:30 PM
Joined: Nov 2003
Posts: 1,839
NW Indiana
F
fbs63 Offline
top fuel
fbs63  Offline
top fuel
F

Joined: Nov 2003
Posts: 1,839
NW Indiana
I think Diamond has a shelf piston for that combo.
Re: Custom Pistons [Re: fbs63] #1707251
12/06/14 05:46 PM 12/06/14 05:46 PM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
Master
MR_P_BODY  Offline
Master

Joined: Jun 2003
Posts: 52,972
Romeo MI
Quote:

I think Diamond has a shelf piston for that combo.



I would talk to Diamond.. they should have a shelf
piston and if you want to move the CH from stock then
its a $35 charge.. they allow 2 changes to a shelf
piston.. anything more and its called a custom piston..
my last set from them I changed the CH and added a
22cc dish so I could have a good quench and the compression
I wanted (pump gas stuff)... they had them for me
to pick up in 4 days
Re: Custom Pistons [Re: fbs63] #1707252
12/06/14 06:04 PM 12/06/14 06:04 PM
Joined: Dec 2013
Posts: 403
Romulus, MI
GTS340 Offline
mopar
GTS340  Offline
mopar

Joined: Dec 2013
Posts: 403
Romulus, MI
Quote:

I think Diamond has a shelf piston for that combo.



They dont. They have a flat top but no dome listed. I doubt putting a shelf dome configuration on a shelf flat is a $35 change because it would require a bigger blank. Worth checking though.
Re: Custom Pistons [Re: GTS340] #1707253
12/06/14 06:59 PM 12/06/14 06:59 PM
Joined: Jan 2003
Posts: 1,412
Johnstown
69dart Offline OP
pro stock
69dart  Offline OP
pro stock

Joined: Jan 2003
Posts: 1,412
Johnstown
If I could get the 4.375 piston in a 4.31 that would be perfect. If its really going to run $1100 I may just scrap the 383 blocks and find a 400 block since I'm pretty much starting from scratch anyway.

I'd be fine running the old domed TRW's if I could find another set.

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: Custom Pistons [Re: 69dart] #1707254
12/06/14 07:09 PM 12/06/14 07:09 PM
Joined: Dec 2013
Posts: 403
Romulus, MI
GTS340 Offline
mopar
GTS340  Offline
mopar

Joined: Dec 2013
Posts: 403
Romulus, MI
http://www.racetecpistons.com/

Great price, nice product! Get exactly what you want for around the price of a shelf Ross. Owned by Wayne Brooks formerly of JE

Re: Custom Pistons [Re: GTS340] #1707255
12/06/14 09:11 PM 12/06/14 09:11 PM
Joined: Jan 2003
Posts: 5,762
Hot Rod Ridge
FastmOp Offline
master
FastmOp  Offline
master

Joined: Jan 2003
Posts: 5,762
Hot Rod Ridge
If your going custom find an easy ring size you like and build to it. It would be bad to have a custom piston and custom ring. If you ever hurt something it will pay off.
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