The only reasonable way to gain more speed,would be with an over-drive installation. Sometimes you can find them on EBay. They're posted in the "Swap Meet" section,here on "Stovebolt.com,too,(seldom,but sometimes),but they sell pretty quickly. I've been looking for one,(locally) for the last 2 years,but can't find one reasonably priced. If you go that route,you'll need a linkage for the shifter,and a cross-member mounting bracket. You'll have to shorten the drive-shaft,as well. On the "Plus" side, you Gain speeds! A 3-speed will give you 12 speeds,and a 4-speed will give you 16! Just make sure that you purchase an Over-drive unit,NOT a Direct-Drive. Here's a video,of an installation,(Brown-Lipe 5531),in a '70's Chevy C-65 ...https://www.youtube.com/watch?v=EEZAalMfSbw
Last edited by wetwilly5757; 11/12/2015 2:08 AM.
