ive just fitted a stack afr gauge heres my finding.. on my escos

idle 14.6 afr
0.5-0.7bar boost 14.6 afr still??
1bar boost 12.8 afr
2.0 to 2.2bar 11.6 afr

it drives fine but when im just building up abit of speed using a little bit boost the afr seems abit week but i dont know much about this sort of thing..

cheers merry christmas