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Discussion Starter #1
i have a question about a crank. i'm building a 100 over 454 chevy for my sanger ski hydro. my target hp is about 700. i have a nos forged 5140 crank part #3963524. i was told this crank will not support that kind of hp. what do you guys think? thanks, bill :hmmm:
 

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That crank will be fine make sure to have it checked for cracks and straiteness mines was bent .003 had it straiten and make sure you have a good balence job I had one in a 477 cu 14.2.1 comp motor turned it 7600 and held up
 

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Discussion Starter #7
454 crankshaft

thanks for your help. many people think its ok. i think he wants to sell me new parts. going to look for a new machine shop.:thumb:
 

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I`m no expert by any means however I had my .030 454 block split a sleeve and trashed the whole motor...I know some people that have done that .100 over and never had a problem me I dont have that luck
 

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