Quote:
Originally Posted by RKelliher
Nhra is now allowing 572 engines in 2022 copo camaro. Nhra rates this motor at 500hp. First the 572 was never installed in any chevy,it is a crate motor only. Also chevy rated it at 621hp not 500. We used to sell these thru the parts department.
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GM won’t put it in unless it’s instantly competitive.