Re: Edelbrock 1406 Problems 67 Camaro
I run the 1405 carb. which is the same except it was a manual choke. It is on a 327 and I had to lean it down. I can't remember which rods and jets that I have. I do run full vacuum - NOT ported. The mixture screws were set to achieve the most manifold vacuum. It still ran excessively rich and my clothes reeked of fuel. I got mad one day and turned each mixture screw in - one full turn from where it was. This should have made it excessively lean, but I was beyond caring at this point. Car now runs great and no more smell ! Your 2-3 lbs of fuel pressure sounds pretty low. I would try 5. I also had to lean down the secondary jets.
69 Camaro -originally a LM1 car. 327, Edelbrock E-streets, hooker, DUI performance distributors, ultradyne cam, stewart, TRW etc. Vintage Air, AGR steering, Corbeau GTSII seats, 700R4 transmission, 12-bolt w/Eaton 4.11:1