Thread: Good afr?

Originally Posted by Fivefingerdeathpunch

Canned tunes tend to run rich.

IIRC you prefer the lowest of AFRs, yes?

Originally Posted by dsmuts

Cruising I'm around 14.5-15 ish. Would i be able to lean that out for better gas mileage?

Its an age-old question. Search for "lean burn".