Headers and o2 observations and stuff..
Headers and o2 observations and stuff.. Well put in tts longtubes,their cats and ypipe..have b1 cam and all the other bolts ons..gms maf,ported mti tb,lid ,ls6 intake.Before car seemed to run best at zero base ,zero wot..no knock retard..ltrimes slightly negative at part throttle..now in anticipation of cam making me real rich dialed base one click down and wot two clicks down..first fired up car and ltrims were high positive showing lean at part throttle..I then put base back to zero and got like slight negative ltrims at part throttle like before headers..no checked wot as set it back to zero for initial testing instead of two clicks down since the ltrims were crazy..got like .935 minimum o2 on my scanmaster..so now dialed it down two clicks wot and will see how that goes..probably be about right..might also try set maft to zero and use hpp to lean it out and give it a bit more timing ..experimenting is fun..
