Dana 44 ring/pinion swap - Ford Muscle Forums : Ford Muscle Cars Tech Forum
LinkBack Thread Tools
post #1 of 4 (permalink) Old 01-25-2006, 08:05 PM Thread Starter
Registered User
Join Date: Nov 2005
Posts: 51
Dana 44 ring/pinion swap

(Posted in the trucks section but no replies.) I'm looking to replace the 3.50 gears in the Dana 44 front end of my 1974 bronco. My first question is:

Will a 4.09:1 carrier and ring/pinion from a 1976 ford F250 (30 spline) bolt in?

Secondly, is this something I can do in my garage? I've heard I need a press and other special tools. If the gears have already been mated can I assume these will already mesh well? In reading my shop manual I think it says I need to split my case!?

Any other considerations? Thanks.
XR7Cougar is offline  
Sponsored Links
post #2 of 4 (permalink) Old 01-26-2006, 07:51 AM
Registered User
Join Date: Apr 2002
Posts: 451
Dana 44 ring/pinion swap

If the carrier is a Dana44 you SHOULD be ok.

As for installing them, since you're going to a different housing you'll need to re-shim. Replace all the bearings!

If you've never done this, pay someone to do it (typically run you $100 if you can find a good shadetree mech). If you're only driving the thing on the trail, you could get away with doing it yourself, so long as you won't mind buying everything new and starting over when it fails (that's if you don't get it right).

"don't force it.........
Get a bigger hammer."

Life IS a comprehension test!
dirtball is offline  
post #3 of 4 (permalink) Old 01-26-2006, 08:31 AM
Registered User
Join Date: Jan 2001
Location: Pullman, WA
Posts: 2,617
Dana 44 ring/pinion swap

You'll definitely need to recheck pinion depth and wear pattern to get the shims right for the new housing. The "case splitter" is a device that bolts to the diff cover area and applies pressure towards the hub, stretching the case a couple thousandths so you can install the diff and shims without getting out the BFH and ruining the bearings. As dirtball said this is something that should definitely be done at a shop, and won't cost much compared to the headache you will avoid.

'97 F250HD 4x4 460; '85 Ranger, 350hp 289, T5, 12.9@110.5
"If at first the idea is not absurd, then there is no hope for it.” Albert Einstein
Motorhead is offline  
post #4 of 4 (permalink) Old 01-26-2006, 10:03 AM Thread Starter
Registered User
Join Date: Nov 2005
Posts: 51
Dana 44 ring/pinion swap

This sounds like a bigger project than I hope to take on...

The estimates I am getting are around $450 in labor (plus bearings, other parts) to do this if I supply a carrier and ring/pinion. I'm still looking for the shade-tree mechanic who will do it for less
XR7Cougar is offline  
Sponsored Links

Quick Reply

Register Now

In order to be able to post messages on the Ford Muscle Forums : Ford Muscle Cars Tech Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:


Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Trackbacks are On
Pingbacks are On
Refbacks are On

For the best viewing experience please update your browser to Google Chrome