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Ford Explorer rears

Discussion in 'The Hokey Ass Message Board' started by 39 Ford, Jun 15, 2007.

  1. 39 Ford
    Joined: Jan 22, 2006
    Posts: 1,558

    39 Ford
    Member

    Has anyone has any experience with these rears. They come with disc brakes, 31 spline axles and posi centers they would seem perfect for our use in a late 30's up car. Does anyone know how wide they are mounting flange to flange?
     
  2. old beet
    Joined: Sep 25, 2002
    Posts: 5,750

    old beet
    Member

    Might tell us ,what yer tryn to do......OLDBEET.
     
    deuce nut likes this.
  3. dumprat
    Joined: Dec 27, 2006
    Posts: 3,186

    dumprat
    Member
    from b.c.

    try The ranger station .com they got everything you want to know and more when it comes to those rears. Axle codes, ratios , etc
     
  4. funguynstc
    Joined: May 11, 2007
    Posts: 108

    funguynstc
    Member

    not all explorers are posi and have rear disc,you may need to make sure if the rear your looking at had a 3.0,4.0,or 5.0,3.0 is the base explorer engine,non posi and drum rears on most,and a few 4.0 had drum rears
     

  5. Scarebird
    Joined: Sep 26, 2006
    Posts: 902

    Scarebird
    Alliance Vendor
    from ABQ, USA

    They have very small caliper pistons, around 1-3/8" or so, and not a good match for normal front calipers.
     
  6. tomslik
    Joined: Mar 3, 2001
    Posts: 2,162

    tomslik
    Member

    they are around 59", i can walk out to the shop and measure one tonight if you want, it's drum brake rear....
    really late model exploders are IRS too....
     
  7. HOT40ROD
    Joined: Jun 16, 2006
    Posts: 961

    HOT40ROD
    Member
    from Easton, Pa

    The 8.8 rears in the rangers are 56 1/2, Mercury Mountaineers are 59 1/2 and the explorer is 59 3/4

    The easly awy to till the 8.8 from the 7.5 is the rear cover is 10 1/2 by 11 inches on the 8.8 and the cover on the 7.5 is 10 9/16 by 10 9/16
     
  8. Ole don
    Joined: Dec 16, 2005
    Posts: 2,915

    Ole don
    Member

    The Ranger pickup rear is very similar. Rangers built in 91 or before are the narowest, I found one in a Super Cab 4X4. it had 3.73 Traction lok. Be very carefull you dont get the axle with the small brakes, the biggest truck with the big V6 for whatever year always had the big brakes.
     
  9. I plan on using a 8.8 from a 97-01 explorer in my F-100. Ford Truck Enthusiasts' web site has some really good tech info on this kind of stuff... go to ford dash trucks dot com.
    swiped from their site:
    1989 – 2001 - Ford Explorer – 59 ¼ - ½” flange to flange.
    - All explorer rear ends are the same 5 on 4 ½” bolt pattern.
    - 8.8” rear end - come with 3.25, 3.55, 3.73 and 4.11 gears.
    - 89-94 drum brakes only.
    - 94-97 drum or disc. brakes
    - 97-01 disc. Brakes only
    - Can use an 8” rim with 3 ½” backspacing and P235/75R-15 tires
    - Number 3 choice for ease of installation and price.
     
  10. 650hellcat
    Joined: Apr 22, 2007
    Posts: 26

    650hellcat
    Member
    from tejas

    95 or 96 and up all had rear discs, most v6's had 3.73, few had 4.10's and v8's usually 3.55. Lockers are a hit or miss say about 50-50 chance. really stout rear ends 3.5" tubes I believe, big pinions. good stuff
     
  11. rapom1
    Joined: Jan 16, 2007
    Posts: 2

    rapom1
    Member
    from Nevada

    I want to replace the 3:73 gears in a 94 explorer rear with 3:08 gears from a mustang , any problems ? Ken
     
  12. Al Von
    Joined: Nov 19, 2005
    Posts: 257

    Al Von
    Member

    I just measured the disc-brake Explorer rear I bought for my shoebox. The spring pads are approximately 39-3/4" apart and the flange to flange is approximately 59-1/2". One point no one has made yet is the Ranger spring pads are on TOP of the axle, like a truck. The Explorer spring pads are UNDER the axle, like a car. I hope this helps you.
     
  13. My 89 Ranger 4x4 w/V6 had a locker.

    Leads me to believe that all of the 4x4 Rangers have a locker.

    May be true with the Explorers as well.
     
  14. 650hellcat
    Joined: Apr 22, 2007
    Posts: 26

    650hellcat
    Member
    from tejas

    It should be a straight forward swap. No 3 or 4 series carrier to worry about If Im correct. Just set your pinion preload and backlash to spec.
     
  15. tjm73
    Joined: Feb 17, 2006
    Posts: 3,404

    tjm73
    Member

    Nope no problems. They'll go right in.
     
  16. Chris Casny
    Joined: Mar 13, 2006
    Posts: 4,874

    Chris Casny
    Member

    I'm found a 86 ranger 4x4/v6, pulled the axle, I hoped it had a locker, but no. Its still a really good axle.
     
  17. tjm73
    Joined: Feb 17, 2006
    Posts: 3,404

    tjm73
    Member

    Ford didn't make a 3.25 R&P for the 8.8. It's 3.27. Not that it really matters, but for accuracy's sake....
     
  18. 39 Ford
    Joined: Jan 22, 2006
    Posts: 1,558

    39 Ford
    Member

    Thanks guys I was thinking of using one in my next project, a 40 ford pickup with a 401 Buick or smallblock. I have to finish my current project first my 39 ford coupe.
     
  19. RHOPPER
    Joined: Mar 12, 2006
    Posts: 263

    RHOPPER
    Member

    The Ford Truck website has great info on those rears, I put one in my 48 F1, perfect width. The calipers are alittle small, but everything else is sturdy enough. Lots in junkyards, you should be able to find a posi easy enough. When mounting it, remember the axle tubes are 3 1/4 inches, not the more common 3 inch, so you likely have to modify spring mounts.
     
  20. xlr8
    Joined: Jun 26, 2006
    Posts: 698

    xlr8
    Member
    from Idaho

    Be careful though, having Explorer parts on your rod might make it want to unexplainedly flip onto its top.
     
  21. hotrod mike
    Joined: Nov 21, 2006
    Posts: 1,729

    hotrod mike
    Member

    That's exactly what I'm going to put in my '39 Ford coupe. I just ordered the suspension parts last night. I'll try to remember to post back after the parts arrive.
    My axle is out of a 2001 Explorer and has 3:73 gears and posi. Not to mention, disc brakes and emergency brakes built in. Looks like it'll work out fine. :cool: Mike
     
  22. tjm73
    Joined: Feb 17, 2006
    Posts: 3,404

    tjm73
    Member

    Another thing that might be helpfull to some is the speed sensor on Explorers is in the axle housing on the upper drivers side of the center section above the pinion input. If you wanted to run an electronic speedo it'd be easy.
     
  23. 650hellcat
    Joined: Apr 22, 2007
    Posts: 26

    650hellcat
    Member
    from tejas

    I am pretty sure that the axle tubes are different lengths though. I think its like a 2-3" offset. Someone correct me if Im wrong. Also need an adapter for the pinion flange or go to the dealer and order the flange off the driveshaft.
     
  24. tjm73
    Joined: Feb 17, 2006
    Posts: 3,404

    tjm73
    Member

    It is offset to one side. Not sure how much, but I believe it's set so the pinion is in true center.

    No idea what you are talking about for an adapter pinion flange.
     
  25. 650hellcat
    Joined: Apr 22, 2007
    Posts: 26

    650hellcat
    Member
    from tejas

    They're not like a 12 bolt or 9" yoke, its a big circle with like 8 bolt holes in it. No ujoint straps
     
  26. toadfrog
    Joined: Dec 2, 2006
    Posts: 299

    toadfrog
    Member
    from Arkansas

    There are 2 different pinion yoke's measure the bolt pattern before you get two of them. Have the one with the smaller pattern left over from the 46 ford truck swap just finished.

    Another good thing is the pinion yokes still use the standard size ford u-joint.
     
  27. ButtSlappingPirate
    Joined: Jun 17, 2007
    Posts: 14

    ButtSlappingPirate
    Member
    from oregon

    Yes, provided both are 8.8 rear ends. Why are you switching to a higher rear gear in the explorer? Or, is the EXP rear being used in something else requiring a freeway flier gear? If it's for gas mileage in an Exploder, it will only get worse. the 3.73's are the best gears for an Exploder.
     
  28. Ed ke6bnl
    Joined: Apr 15, 2001
    Posts: 181

    Ed ke6bnl
    Member

    Just installed one in my S10 53 chevy . the center section is off set about 3" and you will need a flanged type u joint. and in my case a changed out uni for the chevy drive shaft I believe napa 372 u joint. Ed ke6bnl.
     
  29. if you just wan't a basic rearend without all the bullshit check out a toyota truck rearend. they are narrow, they have ford car pattern, the axles are BIGGER dia. than a 9" ford and best of all they are cheap! stout and light.
     
  30. hotrod mike
    Joined: Nov 21, 2006
    Posts: 1,729

    hotrod mike
    Member

    Here's an installed shot of the '01 Explorer rear in my '39 Ford coupe chassis. Seems to work out real well on these. Big thanks to Ahotrod and Wyle E Coyote for all the help. Mike
     

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