gsrcivicjoe
New Member
I have a ek civic that i just did a swap to gsr b18c1... has blox intake, throttle body 70mm... i wired the motor myself with the old dx wire harness in the car and ran new vtec wire to chipped hondata s300 p28 with computer jumper... the car starts up evertime runs a little ruff when idleing.. then when i go to drive it or rev past 3700-4500 rpm the car back fires and acts like it wants to shut off but doesnt still idles... does anyone kno the ause of this problem some help would b appreiciated?