stock internals vs. boost
03-17-2007, 09:22 PM
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Originally Posted by 99Z28LS1
i dont think its the amount of boost but rather the amount of hp. mine is at 503 with 5.5 psi
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03-18-2007, 01:49 AM
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Originally Posted by 67Firebird455
Depends on AF ratios you run, as well as compression of course and advance. If you can get the right combo, and less-restrictive heads ("less boost") then you'll be pumpin out decent numbers like ^
the safer you keep everything in check with the stock bottom end, the longer it'll survive my friend
03-18-2007, 01:58 AM
#10
Got a friend running 10.20 @ 133 in a 3600lb car, stock internals, but it does have rod bolts. I'd say the stock interals are good for around 700-750 rwhp if you know what you are doing.
I lost my stock motor to rod bolt stretch after 15k miles of 14+ psi and 600+ rwhp.
I lost my stock motor to rod bolt stretch after 15k miles of 14+ psi and 600+ rwhp.
03-18-2007, 06:15 PM
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I hear that its all in the tune. Detonation will be a killer so it is wise to take out some insurance in the form of a bottle of Torco with every fuel fillup, an alky kit & a boost-a-pump amongst others. I decided to upgrade to a high perf fuel & oil pump with a dual roller chain also. Will this guarantee my stock bottom end will last....NO......but it is insurance.