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  • December 03, 2024, 12:15:19 PM

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Author Topic: Mismatched Gear Ratios in an 86  (Read 2113 times)

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Online 89 MJ

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Mismatched Gear Ratios in an 86
« on: October 23, 2024, 09:39:01 PM »
My 86 came with mismatched gears from the factory. 2.35s in the front and 2.73s in the rear. I can confidently say that neither axle was swapped either. Another forum member suggested that maybe AMC did that on purpose because the NP128 found exclusively in 86s works as an open differential. Was this a factory screw up or was it done intentionally on other cars too?
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1986 Eagle: 258, Auto, Chrysler 8.25 rear, 3.54 gears
1989 Jeep Comanche: 4.0, AX-15, 8.8 rear, 4.10 gears
1940 Chevy PU: 350, 700R4

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