I'm haveing problem wonder if you can help I'm running a built f22a1 in a 93 accord lx I'm running 12 lbs of boost with dsm 450cc injectors and I want a higher redline so I have 3 ecu 1# h22 ecu 2#b18 ecu 3# ls ecu I put them in it runs I'm trying get a higher redline they all rev. To 6200 and cut off didn't go any higher ? Why? I'm cheap so try to chip a ecu no get a piggy back and spend thousands help me out please I don't know how to post?