I just got a 83 lx 5.0 i am trying not to spend a fortune on this car just want it to go down the track i put a 450 cfm on it and removed the emissions wont be on the road anymore i cant get the damn thing to run smooth under 1800rpms timing is on the money blocked off the air pump should i push the air back through the heads. dura spark ign pretty basic going to start with all new wires and plugs after that i am stumped