681rwhp stock long block, vid inside
#23
TECH Veteran
Congrats. Now that's putting down some power with a 5.3L. Parish did it with his 5.3L in the Fairmont, you just did it with a better 5.3L. I hear it even beats your daily driver.
#30
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I think the number could have been made on pump alone. Just didn't think it was safe is all. I am a believer in good fuel!!!!!
We have done 650+ in pump gas 6l and under stuff, I just don't think its worth the risk. You never know what you are actually getting out of the pump around here. For Steve a mix works good and it is very, very cheap insurance for his stock engine.
We have done 650+ in pump gas 6l and under stuff, I just don't think its worth the risk. You never know what you are actually getting out of the pump around here. For Steve a mix works good and it is very, very cheap insurance for his stock engine.