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03-15-2006 #1
New to Pro-Touring
- Join Date
- Sep 2005
- Posts
- 14
When to upgrade big block internals
What is your opinion on when to upgrade the crank and rods in a big block Chevrolet (1975 454). In other words how much power can a stock crank handle and the same for rods. Is anyone running a 700 hp engine with a stock rotating assembly with success. I do not want to have an expensive crank and rods just to say that I have them. Thanks
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03-15-2006 #2
Registered User
- Join Date
- Feb 2005
- Location
- mo
- Posts
- 1,343
i have a 69 vette with a 427,stock crank,rods that make 460's rwhp.if your making drag strip passes they should be fine,have them well checked out by a machine shop
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