3.73 and 2.55

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Nov 29, 2010 | 09:51 PM

#16

alloutperform

CF Veteran

Joined: Nov 2010

Posts: 1,140

Likes: 1

From: cape cod ma.

Year: 1998

Model: Cherokee

Engine: 4.0 i6

Quote:

Originally Posted by JeepCoMJ

10" drums means that's not the stock rear end. I've never seen anything but 9" drums after around '92

and there's numbers stamped on the ring gear. take the larger divided by the smaller and you'll get your equation.

now...why do you want to know this about the ring gear?

depends how he's measuring... you have to measure inside diameter outside it will measure bigger

Nov 29, 2010 | 09:57 PM

#17

freegdr

CF Veteran

Joined: Mar 2010

Posts: 47,923

Likes: 38

From: Broward County Fl.

Year: 1989 xj sport 2dr

Model: Cherokee

Engine: 12 hole bosch Injectors

Quote:

Originally Posted by JeepCoMJ

bull.

explain to me the '85 xj waggy 4 cyl/auto with 4.56's that I stripped.

must of been special order i got mine from an86 came with 410s that all chrylser shows offered in the 4 banger model

Nov 29, 2010 | 11:08 PM

#18

RedZeppelinXJ

Seasoned Member

Joined: Jan 2010

Posts: 263

Likes: 13

From: Gaines, NY

Year: 1996

Model: Cherokee

Engine: 4.0L HO

post a pic of the diff so we can ID it for you.....but yea divide #ring gear teeth/ # pinion gear teeth......that is a fail proof way to tell your gear ratio

Nov 30, 2010 | 12:50 AM

#19

mudderx

CF Veteran

Joined: Sep 2010

Posts: 1,562

Likes: 3

From: Spanaway

Year: 97

Model: Cherokee (XJ)

Engine: 4.0

I have a police edition dana 35 with 10inch brakes and 3.55s not sure what year its from tho. 10 inch drums were the hd option. Also check ur front axle, does it have a tag? The gears will be the same...