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drop 2 degrees of timing for every 50hp of shot, starting at 100shot. so for a 50shot there is no real need to drop your timing, at 100shot drop atleast 2 degrees, 150 shot atleast 4 degrees, ETC
that is just a guide line. All cars are different. my car likes a little more timing on the bottle.
mjr46 for a 100 shot what do you set your timing at
I error on the safe side and run total at 30-32 and I also run race gas 110+ octane, but then again I'm running a 347 with already 10.5 to 1 compression