I have a 383 4bbl with the original Carter AVS carb. I recently added a new carb kit to it. How can I tell if the carb is setup optimally as far as the air/fuel mixture? Can I tell by reading the plugs? I'm not at a point where I can drive the car yet but it does run quite well.
Thanks
You can hook up a vacuum gauge and adjust the mixture screws till you get the highest vacuum reading.
Thanks. I'll pick one of those up and give that a try. I have a bit more duration on my cam so I would expect that the vacuum might be a little lower than stock. I've been told that I may have over did it with the cam. I had a new crane 'Fireball' that I purchased years ago but never installed. The stock cam had a bit of wear so I installed the fireball/lifters. It runs great. I was told that it will be pretty flat off the line but will hit at the higher RPMs. Not really what I wanted but its in now. This motor is temporary anyway, I will be rebuilding another one to factory 383 4bbl specs.