Re: Checking rear ratio
Jack up only one rear wheel, put the tranny in high gear. Mark the tire and ground, then hand crank the engine. If you have to crank the engine just a little over 4 full turns to make the tire turn exactly 2 revs, then you have a 4.11 rear end ratio.
If you have to crank the engine 3 and 3/4 turns for two tire revs, then you have the 3.78 ratio.
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