Re: who here races with exhaust manifolds?
i watched a stock ZL1 on the dyno it made 430 hp with manifolds we tried headers and it was a hole differant animal on the first pull it made 518 hp.i had my manifolds for my car ported by the vorteck pro.
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69RS Z/28 first cowl hood car built 12C
69RS Z/28 X33 RED/RED
69RS Z/28 VE3 -- STRIPE DELETE OIRG PAINT
69 L78 X22 convert survivor VE3 ,POP
70 HEMI CUDA ORIG PAINT 19K MILES
70 LS6 M22 4.10 4k Miles Black time capsule
Bill Hunter Yenko
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