| Re: what causes intake backfire? |
Subject: Re: what causes intake backfire? by rklessdriver on 2010/11/12 14:20:56 What causes backfiring thru the intake manifold is the spark plug firing the A/F mixture when the intake valve is still open.... That can be caused by extremely low base ignition timing or a bent intake valve or an improperly adjusted intake valve (lash too tight). Will |
