Thread: 478 to SM420
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Old March 11th, 2017, 05:37 AM
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Default Re: 478 to SM420

Quote:
Originally Posted by bigblockv6 View Post
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.
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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