Hey guys ive got a major problem I believe and need some ideas on the cause. I have a sbc 305. nothing fancy, mild lift hydrolic cam. ive ran this cam and top end on a 355 with no problems. What I am down to now is I have to be at about 50degrees advance for the engine to run. sounds awesome, idles great, revs good without load but severe lack of power on track. ive never ran a 305 before so I wrote it off to that. But if I crank back the timing to about 40 the idle goes south and I get a backfire thru the carb. we rebuilt the carb, I know my distributor is good, plugs good, proper fireing order all the basics have been checked and double checked and correct. is it possible I have the cam itself off a notch and still be able to make it run despite not setup correctly?? any ideas iam lost.. thanks in advance.. nick
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