Quote:
Originally Posted by DeadheadNM
These were not. I believe the gear ratio in the rear axle was a big discriminator but I'll need to research that in the parts manual. I suspect there are two ratios one near 0.97 the other near 1.3 but these are a guess. I'll try to firm up the knowledge and repost. There are gear drives in the transmission that come into play as well and I suspect it's because of these that there are only two ratio adapters.
EDIT: this chart from the parts manual lists two adapters for a 3.73 rear end and several for 3.07. The chart is for four speed manual transmission equipped trucks. There are other charts for auto and three speed manual.
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Interesting. I just emailed speedocableUSA to get a correct adaptor as I think I'm running about 22% too fast. But I have 4.56 gears and 37'" tires so
