1989 bronco front and rear differentials

Ray Demanche

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Jun 19, 2013
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How do I tell what kind of dana I have? I'm trying to put different gears to work with 35'' tires. I have a 5 speed stick, 302- 500hp roller engine.
 

Skitter302

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Should be a Dana 44 TTB in the Front and Ford 8.8 in the rear. Thats what my 1989 had. Best way to check is to crawl under and check the tags.
 

miesk5

96 Bronco 5.0
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Yo Ray,
Welcome!
As Skitter302 advised.
A previous owner/shops may have swapped components since new.
I made a mistake many years ago by telling someone to use the Driver's side label to ID their Rear Differential (axle, pumpkin type, etc.); turned out that a previous owner had swapped a Dana 60 in place of the stock 9 inch,
so, Information, History, ID, pics, etc.:
Differential, 9", 8.8", 10.25" & Dana 44 front pics in 80 through 96 by Kenneth C. @ http://www.badshoeproductions.com/rear.html

See more info by me @ https://www.fullsizebronco.com/threads/where-can-i-find-more-information.438689/#post-6240497

■●■
Here are the 1989 Ford Bronco EVTM, Emissions (yellowish/red book cover) & Pre-Delivery Manuals, Partial via mrnewland1 in Google Drive @
1989 Service manual - Google Drive
Slow scrolling, so download for faster viewing and to see the table of contents, the search feature, etc.

Haynes Red Manual for 80-95 Bronco & F Series @ Hanes guide 80-96 bko f series.pdf found by BroncMom

1989 Ford Bronco Dealer Brochure

1989 Bronco Lubricant Specifications by Ford via Gary
 

Jasgeer

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Oct 6, 2020
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Perris, California
Once you figure out what you have I would suggest 5.38 gears since you have a stick where 5th gear is an over drive of 5.72 (I have the same transmission).
 

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