This engine version bumped horsepower to 271 and torque up to 312 lb-ft. The HiPo 289 also featured a higher compression ratio, going from 10.0:1 to 10.5:1 for greater power output.

My car's build date is November 4, 1964, and it has the A-code 289, a four-speed, front disc brakes, ... In regard to engine dress-up kits, did Ford PN C4OZ-6980-A have the open-letter Cobra valve ...

This particular kit is no longer on the market, however, these general rules do apply to all engine dress-up parts and are not Ford specific. First off, we used 80-grit sandpaper to give the ...