clutch fan

Carb is not lean #76 primary & #78 secondary , initial timing is 7deg. , total is 32 seg. @ 2800 rpm . If anything I think it's running fat , looking at the plugs . Idles @1200 rpm , won't go lower . With an automatic you have to set the idle when it is in gear .

383Scampman
What size carb are you running on that 383 ? I'm running a Edelbrock Performer 750 on a 68 340 car with a nice cam and Performer rpm intake and stock exhaust and she's perfect. That jetting seems awful small to me. Jetting in mine is .113 mains and .107 secondary. Mine is also a automatic and in drive idles perfect at 750 rpm. A stock edelbrock 500 cfm has .086 primary's and .095 secondary's. Just curious to what you are running.