New LS1 Owners - Newbie Tech - what is the size on t.b.
02-14-2007, 10:06 PM
i was thinking about porting my t.b., but i was wondeing about going a lil' bit bigger on the size. what size is the factory t.b. and what t.b. size do u guys perfer, im keeping the ls6 manifold don't have the money to get a fast 90/90.
02-14-2007, 11:17 PM
i heard the new bbk 85 mm's are nice havent heard about performance gains or anything
02-14-2007, 11:39 PM
Port your stocker to a 78mm.
Stock is 75mm.
Don't buy an aftermarket TB unless it is a 90mm for your 90mm intake.
02-14-2007, 11:40 PM
the best thing to do right now is port your stock tb, and keep saving for the 90/90 setup
02-14-2007, 11:52 PM
(last two post)
jordan i think he's looking at your keyboard......:nono:
02-15-2007, 09:18 AM
The Ls6 intake manifold only has a 75mm hole in it, so there's no point in a TB bigger than that.
Stock is 75mm, porting it (see sig) cleans up the air flow. Not sure how you can really make it a 78mm TB without replacing the TB blade.
Or check out TPIS, they offer on an exchange basis a 90mm LS6 intake, you can then get a 90mm TB. Not as good as FAST 90 intake but improvements over stock LS6.
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