i have 350 bored 60 over 4 bolt main set of speed-pro hypereutectic pistons with the floating rods and lunati cam .517/.543 lift cam mechanical lift with a set of double humps head 2.02/1.60 valves i have a holley street dominater single plane intake ihave it an a pontiac grandprix 1986 it came with a v6 but i haven`t change the rear end it because i feel like it should burn that one tire off of the car and i have a 2800 stall what do u all think is the problem and i have not put no headers on it i still have the chevy stock manifolds on it. could u all help or give me some pointers and i have 1.5 roller rockers