Originally Posted by 240M3SRT

SLK32 i have question. How lean were you running before and what was the temp? And have you monitored the afr on the street?

Ive watched completely fine AFRs on the dyno run up to 20+ on the actual street.

I really want to believe the sl55 pump will fix my issues but like i said the walbro 255 made no difference at all.