ls6 manifold
you can't open them up to get inside.
i suppose you could open up the mouth a few mm...but not much.
in all reality...probably won't gain anything for the work.
stock with a ported stock TB is your best bet
https://ls1tech.com/forums/showpost....9&postcount=48
Last edited by SS1875; Oct 28, 2008 at 01:25 PM.


