So, I've finally gotten into the rear end of my 73 challenger. 489 case, and 2.76 gears, with a non Sure Grip ( go figure?) I'm going to be giving Dr Diff some of my loot for Sure grip unit and was thinking about gear too. mild built 440 with a A518 transmission. My goal is to get on the highway and road trip, couple hundred miles at least, without busting 3000 RPM. . But also dont want her to be a dog off the line. I've done a bunch of reading here and elsewhere about gears for a...
Read more
Read more
