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I was just looking over the gear combinations and I can get an overdrive chain/sprockets for the input side and drop the final drive from a 2.84 to a 2.53.
I am wondering what this would do to my power in high gear.
The gearing would be as follows:
55 mph 65 mph
current gearing 1428 1687
new gearing 1272 1503
I am thinking a gear swap would put me too low on the power curve. I would literally be idling down the road. I don't want it to downshift to go up every hill do I?
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1991 F-250:
4.9L, Mazda 5 speed, 4.10 10.25" rear
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