Here is a fact that every big-block Chevy enthusiast knows (or thinks they know): Oval port heads are only good for low-rpm, low-horsepower passenger cars and trucks and rectangle-port heads are for ...
O Really? We debunk a myth by installing a set of AFR 265 Oval Port heads on a big-block Here is a fact that every big-block Chevy enthusiast knows (or thinks they know): Oval port heads are only good ...
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