Ok so i noticed when i picked up my car that it runs a bit rich a little more so when its cold which from what i understand is normal. I notice it a bit more and it seems to back fire when its cold. Ive noticed it more since the stick swap now that the rpms arent as constant as they were with the aod. Car has mass air auto computer . Its an 89. Mods are BBK fender well intake 70mm bbk tb, pro m mass air meter calib for stock inj, bbk shorties , o/r h pipe, flow masters, 5 speed swap. smog pump still connected and hooked up with auto computer any ideas??