Re: 478 to SM420
Quote:
Originally Posted by bigblockv6
I've got an LS1 in my 02 Trans Am, I see no resemblance in the port design whatsoever The LS1 ports are what they call "Cathedral ports", which have a triangular shape at the top of the port.
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I'll have to scout that picture again, the heads were different but the ports were pretty similar. Not giving chevy any credit by any means.
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