Quote:
Originally Posted by s346k
when i had my car on the dyno i swapped the stock tb for a pray ported (LT1) tb. it gained .5 hp. car had the cut stock air box, full exhaust, pray ported LT1 intake manifold and (e85) tune.
here are a couple pics of my cut stock air box.
i added an msd manifold, LT5 tb and rotofab. the car picked up 14 whp peak and lost 0 tq. it gained 35 whp @ 6500 rpm. ultimately gained over 2 mph from only "14 hp".
what im saying is the car trapped 121 with next to nothing done to it (cut stock air box, exhaust, ported stock manifold & tune). the next 3-5 mph were at a steep cost.
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do you know performance numbers for ur 1st mod. hp and track times. for airbox n e85