Just finished my build and it won't start. HF 6.5 with CM cam, 26lb springs, rod, flywheel, adv. 4 deg., head milled .065, ported (remove sharp edges and blend valve gides), NGK plug, AFG header, carb bored .627, main .036, idle .020, no choke, throtle shaft thined, K&N style cleaner. It will...