why is my car getting leaner?
had it tuned about 7 months ago and it keeps getting leaner 12.5 a/f 7 months ago 13.2 a/f now
6.0 epp cam
p1 procharger 8.5 psi
42 injectors
walbro 255 pump
6.0 epp cam
p1 procharger 8.5 psi
42 injectors
walbro 255 pump


