[rx7mechusa]

Thanks alot Ted for that calculator how hard do you think this set up 550cc primary 1600cc secondary (as you mentioned before) on a Haltech PS1000. I actually found a couple of sites that will sell just the elbow and pipes but i found a reasonably priced HKS one today that im g2 pick up. Who makes good 1600cc injectors? I read some stuff on the "other" fourm today about marren (not sure thats exactly right) i have changed the build some in other ways aswell talking with my buddies in the machine shop here they say modifing the apexi exhaust to become a true 3in wont be a problem. Also what fuel pump do u recomend ive read good reviews about a few bosch 044, walboro 255, and one on rx7.com