yo soo my 91 crx dx (converted mpfi 4 b16 obd0 via rywire.com) i just got a new distributor from rpmpartz.com cuz i thought that was what the problem with my car was because the tach would bounce all over the place and my car would shut off and soo i put it in yesterday and it was running awesome no more bouncing no backfiring no nothing...now just a little while ago i was rapin her on the highway and i bring er home and the tach starts bouncing again around like around 4gs im also running a pr3 chipped spoon ecu any buddy got any suggestions man to what it may be my vtec hits at 4 do you think it may be the computer?