Bronco Forum - Full Size Ford Bronco Forum banner

highway rpm

  1. 1978-'79 Bronco Tech's the deal, I'd like to go with as high of an axle ratio as I can...but 4.56's would push rpm's on the highway a little higher than I'd like...and I'd like to go higher than 4.88 or 5.13. I don't drive much on the highway, but I would like to take more trips...and, I...