Yea, I'm trying to decide on porting my heads, or getting power heads or going all the way with some 165 AFR's. On a budget you know. I've got the Speedbrain and I did knock the timing back to get rid of the ping but it must have been too late.
Thanks for the input.
Eddie 
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Black 94 GT 5 speed. 10# Procharger, E cam, 2 chamber Flows, 3.73 gears, MAC offroad H pipe, MSD 6AL, SpeedBrain
12.94 @ 104MPH
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