I put a motorcraft 2100 on my cj7/258. it had a holly when I bought it. Found one on ebay and got it for $30 delivered. The holly would stall on hard braking and flood bad on mild slopes. Had to make a small bracket to bolt on for linkage. look for a carb from a mid 70's ford 302 0r 289. the prefered model will have the number 1.08 (venturi size) on the side. rebuild kits for the older models are cheap. I bought one for a 76 Mavrick for $13. You will need an adaptor to fit the carb. They run around $20. The Carb works great. Definatly worth the effort.