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4.88’s with 32’s and an AW4

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Old 01-05-2019, 05:25 PM
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Originally Posted by Rock Toy
I did the math and with 32 inch tires, 4.88 gears and an automatic transmission at 70mph I came up with 2930rpm.

70x366x4.88x.75÷32=2930.28
it's 336 not 366.
Old 01-05-2019, 06:31 PM
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Ill be running 4.88s and 33s on my cherokee......Ive ran 4.56s and 31s and no problems.......can't wait!
Old 01-06-2019, 01:21 AM
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Originally Posted by 00t444e
it's 336 not 366.
You're correct I screwed it up, sorry.
Old 01-14-2019, 08:49 AM
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I run 4.88 with 33s approx. 2500 rpms at 65mph. Its great off road!
Old 01-24-2019, 04:45 PM
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I dont see what year your cherokee is. Mine is a 1988 renix and 4.88 with 33's was a perfect combination. I wouldnt hesitate to try it with 32's. gives you the ability to move to bigger tires in the future as well,
Old 01-24-2019, 05:43 PM
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Mine is a 93.
Old 01-25-2019, 11:40 AM
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4.88's with 265/75/16(32's) was doable in my XJ, great in town but 70mph tops interstate. she was really screaming.
4.88's with 35's is a perfect combo in my MJ. 75mph tops plenty of grunt in town and will happily cruise on the interstate.
Old 03-05-2019, 03:11 PM
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Good to see some of these hints/tips......probably going to stick with the 4.88s I just got instead of selling them for 4.56s.....got a 6” lift on 33s and don’t need to go 70mph.......final gear ratio ends up around 4.15.....mpg sucks but not a daily ......and leaves me with the option to go to 35s.....someone screenshot their tach on flat surface going 65mph on 33’s and post it please......just curios to see the rpms vs projected math of the rpms......thanks in advance if someone does it!
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