LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

go with 355 or 383? i beam or h beam rods?

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Old Aug 25, 2004 | 01:31 PM
  #1  
Seal's Avatar
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go with 355 or 383? i beam or h beam rods?

i currently have a turbo setup in my car.... i just cant decide to go 383 or 355...

i'd like the 355 because i dont have more than 4 grand for the whole setup (install/parts) 383 would probably cost me more....

plus everyone has a 383, i'd prefer a 355, be diff plus less machining involved with the block... comb motorsports has a rotating assembly for 1280, all balanced, only thing i would need to change is (its a 383 kit) change it to a 355, so 3.48 stroke i believe, and change the 5cc pistons to a 31cc... probably be around the same price...

this is the kit
Scat Budget 383 cubic inch Rotating Assembly
4.030" Bore SRP -5cc dish pistons, 3.75" stroke Scat cast crank, Scat forged 6.00" I-Beam Rods

and there is this, which seems more like for my application...
Eagle 383 cubic inch Low-Compression (blower/turbo) Rotating Assembly
4.030" Bore SRP -31cc dish pistons, 3.75" stroke Eagle forged crank, Eagle forged 5.70" H-Beam Rods (1750, but eagle i would need to get it balanced which is like 250 more, so comes to 2 grand)

i'm looking at 700rwhp safely with my setup btw...

i alrady have higly ported heads and a turbo app. cam...

so what to go with

355 or 383 (how much $$$ is that gunna matter for?)
I beam or H beam? (will save me like 200 bux)

any money i can save right now, will help... i have 4 grand to spend including installation/machining...

hellpppp
Old Aug 25, 2004 | 03:58 PM
  #2  
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From: MN/WI
Re: go with 355 or 383? i beam or h beam rods?

I wouldn't run 700rwhp on a cast crank. I am going forged 383 for a primarily NA motor. It may see nitrous someday, but for now its just on the motor. For a boosted app, I would go forged 383. It's not that much more expensive than a forged 355.

I got the following from combo:
Forged Eagle 3.75" crank
Forged Eagle ESP 6.000" connecting rods with ARP L19 rod bolt upgrade
Forged SRP -16cc pistons with pins
piston ring kit
clevite 77H bearings

All for $1690 shipped. Now I still have to get it balanced, the block clearanced, and all the other machine work, but its not going to be a whole lot more expensive than a forged 355, and more cubes are the only way to go IMHO.
Old Aug 25, 2004 | 04:15 PM
  #3  
SS MPSTR's Avatar
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Re: go with 355 or 383? i beam or h beam rods?

Originally Posted by TQdrivenws6
Forged Eagle 3.75" crank
Forged Eagle ESP 6.000" connecting rods with ARP L19 rod bolt upgrade
Forged SRP -16cc pistons with pins
piston ring kit
clevite 77H bearings
I got the Scat forged assembly, with Speed Pro rings and Clevite 77H bearings for a little less money.
Old Aug 25, 2004 | 08:31 PM
  #4  
Seal's Avatar
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Re: go with 355 or 383? i beam or h beam rods?

Originally Posted by SS MPSTR
I got the Scat forged assembly, with Speed Pro rings and Clevite 77H bearings for a little less money.
mind telling me how much? u can PM me if u'd like to do that instead...

like i said, my budget is 4 grand, with a 2000 stroker kit i would need additional 3000 for install or so, because of the extra block work... with a 355 kit, (from scat it's a bit cheaper) i might save 500 bux or so... and 2500 for labor, which would fit my budget...
Old Aug 25, 2004 | 09:27 PM
  #5  
n2ceptor's Avatar
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Re: go with 355 or 383? i beam or h beam rods?

http://web.camaross.com/forums/showthread.php?t=105714

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