s475 fittment to ON3 kit
so basically my tuner is being an *** and saying my on3 78/76 turbo wont make any more power than the current 564rwhp on about 16-17 psi on my fbody.
Mods are:
4.8 w/ 100k
btr stage 2 turbo cam
ls6 intake
862 heads
prc .650 springs
on3 turbo kit
built 4l60e
ptc 3800 stall
but found out on the dyno from last time i had an exhaust leak at my driver side manifold from the bolt closest to the coolant temp sensor not being in at all. could that affect power and tuning?
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