Okay, I'm stumped. Need some help with troubleshooting / tuning. Engine is a 1987 318 (135-145ish PSI compression and 302 heads) sitting in a Ramcharger. Cam is a Summit 6900, Edel 2107 intake, Summit M2008 600 CFM carb. I cannot get this carb adjusted correctly. I replaced a worn out Edelbrock after I had a tank of bad gas. I bolted on the Summit carb, and it was idling really rich (like 10:1 on the wideband), the idle mixture screws were turned all the way in, and the idle screw was...
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