383 high compression sbc tuning
hi guys hope you can help me with a problem i am having with my motor. its a 12-1 383 sbc 555 lift solid roller erson cam and 1.5 roller rockers, 210 cc intake runner rhs 72cc heads victor jr intake 750 mighty demon carb. problem i am having is getting it tune right this thing should be frying the tires off but it doesnt seem to have the power it should the carb is jetted 75 primary and 83 secondary. plugs look fine not to rich or lean not sure what the problem is any advice would be great thanks