LS 5.3 with 650 carb and truck Norris cam running lean in our 72 Chevy C20
I hope I’m wording all this right lol. Need some thoughts on why the engine is running so lean. Sounds good at idle and while running but something is just slightly off. Air/fuel is low anywhere from 11 to 12.5
u/hunibuni409 — 4 days ago