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Old 07-11-2006, 01:47 PM
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Advise about crankshaft CSB

Hi all,

Im building a 350 and have everything figured out but for one thing. As always you want a lot and pay a little. Were talking about an engine with say 400 hp + 150 hp nitrous. Everything is matched to peak around 6300 rpm so Ill go no further than 6500 rpm. What crankshaft would you choose? I will do some bracket racing but mostly streetrace.
I know forged GM cranks will take a lot of punishment.
How about Eagle cast steel cranks? SCAT?
Please understand that Im looking for first hand knowledge; not "a friends, neighbours brother-in-law knos a guy..."

Thanx for any input!

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Old 07-12-2006, 03:21 AM
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Anyone knows?
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Old 07-12-2006, 08:18 AM
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A GM forged would work or a Scat cast steel crank would be another cheap option. We have had a few folks that simply just did not have the money for better stuff, or just didn't want to spend the money and have abused those parts as hard or harder than what your looking at. It's not the most comfortable of decisions but I think you'll be just fine.

Of course you want to balance the assembly, which is manditory.
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Old 07-12-2006, 02:52 PM
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Quote:
Originally Posted by Rick WI
A GM forged would work or a Scat cast steel crank would be another cheap option. We have had a few folks that simply just did not have the money for better stuff, or just didn't want to spend the money and have abused those parts as hard or harder than what your looking at. It's not the most comfortable of decisions but I think you'll be just fine.

Of course you want to balance the assembly, which is manditory.
Thanx Rick. Where would I find a place to buy GM cranks? Ive looked on Summit and Jegs but none for my engine.

Last edited by Pianoman; 07-13-2006 at 06:57 AM.
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