At my wits end, have a 440 10:1 flt top pistons 440 source heads with new comp 924 springs, Lunati voodoo cam, 494-513 Holley 780 street avenger carb with 75s front and 80s rear 1.6 power valve, new MSD pro billet dist. new msd digital 6al, new msd superconductor wires, new edelbrock fuel pump...