Auto to Manual swap axle ratios

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Jun 6, 2016 | 02:46 PM

CherokeeE36M3

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From: Boston, MA

Auto to Manual swap axle ratios

Has anyone swapped a 4 liter xj from automatic to 5-speed and kept the 3:55 axles? If so, what are the engine RPMs at highway speed (say, 65 mph)?

Jun 6, 2016 | 03:11 PM

mrshaft696

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Model: Cherokee

Quote:

Originally Posted by CherokeeE36M3

Has anyone swapped a 4 liter xj from automatic to 5-speed and kept the 3:55 axles? If so, what are the engine RPMs at highway speed (say, 65 mph)?

no but I had 3.55s with my 5sp for a while. Not much different than stock, around 2200 maybe a bit more.

Last edited by mrshaft696; Jun 7, 2016 at 09:55 AM.

Jun 7, 2016 | 08:29 AM

cruiser54

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From: Prescott, Az

Year: 1990

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It's a perfect option.

Git-r-done.

Jun 7, 2016 | 09:41 AM

unidentifiedbomb

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From: DE

Year: 1988

Model: Cherokee

Engine: I6 4.0

My buddy swapped in 3.55s axles with his 4.0 ax15 and said it's the perfect combo, maybe even a little lower than stock with his 31s.

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