hey there all. just got the car dyno'ed for the 1st time and not sure if this is good/ok/bad so i thought i would ask the experts. mods are whisper lid, Z06 MAF, gutted cats and cutout running 89 octane. now the #'s. 326rwhp/336rwtq. what is a good air/fuel ratio. mine started out at 15 @2000rpms then slowly droped to 12.5 by 6000rpms. is this good or not. i thought it should stay at 13 but i'm not expert. thanks all.

randy
00' SS M6

 

Those are some pretty good numbers, and they'll only get better once you get that A/F ratio worked out properly. I think it's susposed to be around 13 across the boards - hopefully someone will correct me if I'm wrong. I can't remember what it is right now.

 

12.5 isnt bad.....but not good either

but your dyno numbers are very strong

 

thanks for the feedback. i had the computer programed to run alittle lean at low power settings for gas milage if that means anything. so does 12.5 mean rich or lean? what could cause this? do i need more fuel psi or maybe bigger injectors? thnaks again.

randy
00' SS M6