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Old 04-22-2018, 08:44 PM   #39
DangerZL1


 
Drives: 2023 Black ZL1 Auto
Join Date: Oct 2009
Location: FEMA Region 4
Posts: 2,936
Quote:
Originally Posted by cfabrizio View Post
So are there different sizes that I should consider or just go with the sock size that is ported. I am not looking to do any major mods; CAI, headers, and TB.

Thanks again for the help and info...Chase
Believe all the ported ones talked about are based on stock 87mm. Anything not stock swould require a tune. A TM throttle body would be one of my first mods. Can’t see any downsides to it.
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