Hi everyone, Im Fergy95 a new member. I got a 1990 gmc c1500 tbi with the 1227747 computer and im looking into tuning. The truck has a couple of mods but im looking into how to get the most out of...
Type: Posts; User: Fergy95
Hi everyone, Im Fergy95 a new member. I got a 1990 gmc c1500 tbi with the 1227747 computer and im looking into tuning. The truck has a couple of mods but im looking into how to get the most out of...