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Stock Rotating Assembly Capability

LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Stock Rotating Assembly Capability

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Jul 25, 2009 | 06:36 PM

#1

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Stock Rotating Assembly Capability

I am about to start a budget build 355 and alot of my direction depends on how much power the stock rotating assembly can handle. This will be a refreshed shortblock. So I guess my question is how far can I push it without hurting it. If it can handle a motor build of say 550hp at the flywheel then I will use the stock bottom end with forged pistons. If not I am just going to build a 383. Any help is appreciated. Sorry if this is a question you guys see often. Oh yeah, IF it ever gets sprayed it will be a 125shot.

Thanks,
Rusty

Last edited by rustykey; Jul 25, 2009 at 06:45 PM.

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Jul 25, 2009 | 07:29 PM

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Quote:

Originally Posted by rustykey

I am about to start a budget build 355 and alot of my direction depends on how much power the stock rotating assembly can handle. This will be a refreshed shortblock. So I guess my question is how far can I push it without hurting it. If it can handle a motor build of say 550hp at the flywheel then I will use the stock bottom end with forged pistons. If not I am just going to build a 383. Any help is appreciated. Sorry if this is a question you guys see often. Oh yeah, IF it ever gets sprayed it will be a 125shot.

Thanks,
Rusty

Stock crank, old style steel rods with ARP bolts and forged pistons would be good to about 500hp. Past that I would buy good rods, stock crank will be ok to 550hp.

If you are gonna buy a forged crank, build a 383.

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Jul 25, 2009 | 07:34 PM

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Quote:

Originally Posted by FASTFATBOY

Stock crank, old style steel rods with ARP bolts and forged pistons would be good to about 500hp. Past that I would buy good rods, stock crank will be ok to 550hp.

If you are gonna buy a forged crank, build a 383.

Agreed. No use in going stock cubes with a forged crank. Go bigger. Youll be much happier about the end result.

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Jul 25, 2009 | 09:44 PM

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Thanks for the info. If I go with a 383 build, how would a scat steel crank with forged rods and pistons be?

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assemblies, assembly, forged, lt1, pistons, rotating, stock

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