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Old 07-01-2013, 02:42 PM   #48
grocerygetter's Avatar
Drives: Black on black 2009 C6
Join Date: Jan 2010
Location: 72034
Posts: 3,962
yeah...bigger turbo is what is needed. how big are the banks coming into that junction at the turbo? 2.5" each side?
bigger turbos also mean optimizing downpipe size. You can put a 76mm hotside on a 3" downpipe...but I'd bet it would improve a bit if it's on the 'island' with a 3.5" downpipe.
-John S.

2014 GMC CC Z71, 2009 C6 vette (672/639 at the wheel and less than 3300lbs)
2010 Camaro 2ss/rs---SOLD 4/15/14
-654whp with a few cosmetic things, Pfadt suspension, Vortech, CircleD, GPI ss3 vvt bump stick, gears, stuff in between,18" TSW N'rings for drag duty, 20" Forgestar F14s for street.

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