What is the diff. between A code and K code Mustang 4100s?
Mike (no login) Posted Dec 30, 2009 7:44 PM
Both the A and K code 289s had 4100s, but the A was 225 hp and the K somthing like 271 hp. Were the carburetors setup differently, and if so how? Or maybe the increased hp was gained via cam and compression. I think the A carb was 6ZA, dont know about the K.