Its a motocraft/autolite 2100 off of a 66 mustang 289. It has been adapted to the stock intake with a adapter from Mr. Gasket. If I remember right it has 1.18 casted on it. I read some place that its rated at 320 cfm. Came stock with #50 jets, played around a bit and settled on size 48. I tried 46 jets but it had ever so slight of a lean surge doing around 70 mph so richened up a hair. This carb runs 100% better then the rottenchester I took off. Gas mileage and power went up quite a bit.
