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I am lost. I redid my 340 with a 474 280280 mopar cam 40 over trw pistons dual plane intake and a 600 double pump holley heads are not ported but are 4 angle ,.500 stainless steel valves , heads shaved 10,000 my compression is 200 psi and my timing is 35 degree at 600 rpm. HELP I can't turn...