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Took customers truck to the track the other night
mods stock bottom 6.0 ,stock 243 heads ,tms custom cam
f.I s484 16 psi ,holley intake 90mm, circle d stall ,4l80 , fuel system ,caltracks, on foot brake n 2 step
r those heads completely stock?
im just wondering how far stock 317s will go on boost, im thinking of outing stock heads and a kit my goals r to run mid 10s