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how fast you wanna go ?
how much do you wanna spend ?
 

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I really haven't been too involved with the crossfire....isn't there a way around the airflow problems ?
 

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I really haven't been too involved with the crossfire....isn't there a way around the airflow problems ?
yeah, replace it! LOL! it was designed for the 305 ci.. but used on the 350ci.. at around 4500 rpm, its DONE!! it just has too small of a runner size, they are tiny! .. the Renegade is better, was designed to be a bolt on replacement..Toobroke has one , hes squeezing out around 325-335HP with Dart Heads and a better cam. but that's about the limit .If you want to make big HP, best to ditch the whole Crossfire Idea
 

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yeah, replace it! LOL! it was designed for the 305 ci.. but used on the 350ci.. at around 4500 rpm, its DONE!! it just has too small of a runner size, they are tiny! .. the Renegade is better, was designed to be a bolt on replacement..Toobroke has one , hes squeezing out around 325-335HP with Dart Heads and a better cam. but that's about the limit .If you want to make big HP, best to ditch the whole Crossfire Idea
the ports are half the size of a regular small block not a proud moment in chevy performance history:rofl:
 

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sounds awful
so just change the heads , intake , exhaust and block right ? :rofl:
 
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