The hotcams lift is measured with 1.6 rockers. The cc503 and cc305 are measured with a 1.5 rocker. The cc503 with a 1.6 rocker is .547/.559 iirc. I ran this cam for a year without any problems. Run the comp 918 beehives with it. chas010 on newyorkfbody runs the 503 with mildly ported stock heads, A4 with a stall, and runs high 11's with a full weight car. I think his stall is around 3600-4000 i'm not positive though. The 503 still has decent bottom end so a big stall is not necessary, and you can even run stock stall for a while if you need to.
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1994 Z28 Black heads/cam th350 drag car
1995 Z28 Teal 'Vert bolt-ons 6-speed cruiser
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