hey ive got a first gen 350 with hei, i replaced the factory intake manifold, carb and distributor with a edelbrock performer intake, holly 650 double pumper and a msd street fire distributor. i set the engine tdc at the top of the combustion stroke for no.1 took off the old intake carb and dist. put the new parts and seals on set new dist. at 5:30 tried to prime it by pouring a bit of gas down the carb, i got one blub then just dry cranking, i tried again with starter fluid but no go. tried again the next night got another blub then dry cranking, any ideas?