Why have a big chamber? The other guys (chev, ford, mopar) have SMALLER chambers than the Tiger heads for their racing big blocks. Get real. If the Pontiac is going to compete, then it needs the smallest possible chamber for more compression without a power robbing heavy dome. These are not pump gas only heads. Geez. I have to ask, why not have an even SMALLER chamber? But I do know the answer since some are already crying.
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