I have a 91 honda Civic it has a 92 1.6Y7 with a Vtec head I have converted the car from DPFI to MPFI and from OBDO to OBD1 I have a 7.5 Lb flywheel and a stage3 puke clutch I have MSD power pack and coil I have poly mounts and DC headers with a Magnaflow exhuast system. I have a problem with my acceration when I give my car gas it accelerated to about 3000rpms and bounces back to about 2000rpm constantly I have changed the throttle body and the TPS and the AIC and the Vacuum box it still has the same problem. can anyone answer my Question?.

 

ECU is for non-vtec engine

Engine has VTEC head = POOP ON YOU!

 

locked, go here: https://www.hondacivicforum.com/fb.asp?m=372004