ive asked the same question as my combo is almost identical to yours and on the dyno i have not come close to the 400-420 hp that they say is possible with this combo, my compression is the same as yours and that appears to be to low for this cam, now i have done some tuning, added set try y headers and 3 in exhaust and am going back to the dyno on the 15th weather permitting, 3.73 gearing to replace the 3.23 are an option i am considering, overall i am not overly impressed with my combination but it is getting better than it was at first, time wise my previous set up with smaller 2801 cam was same or slightly better.Getting closer to 10/1 comp may be a winter project for me.search 60916 cam for opinions given to me.
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1972 Formula ram air, 406, 60916 cam, forged pistons,rods. stock 69 intake, 13 heads home ported, quadrajet, tri y headers, 3 in exhaust, 3.23 gears, auto, CE frame connectors 275/60/15 back 255/60/15 front.
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