Sunday, February 25, 2018

Ford Explorer rear axle measurements & details - 4x4Help.com

These are often recommended for Falcons & Mustangs as well as Jeeps.. From 1995 on they feature disc brakes, and can be found with limited-slip differentials and various gear ratios.

The Ford 8.8-Inch Solid Rear Axle: 
https://www.therangerstation.com/tech_library/Ford-8_8-axle.shtml
"Axle Width Differences:
1990-1992 Ford Ranger 8.8-Inch Axle - 56.50 inches
1993-2009 Ford Ranger 8.8-inch Axle - 58.50 inches
2010-2011 Ford Ranger 8.8-inch Axle - 58.50 inches *
1991-2003 Ford Explorer 8.8-Inch Axle - 59.625 inches
* The 2010-2011 Ford Ranger 8.8-inch axle is actually narrower and has shorter shafts than the 2009 and earlier models. Ford used rear disc brakes on the 2010-2011 Rangers, so Ford Shortened the axle housing and shafts to compensate for the extra width created by the disc brake setup. These shafts are not going to work in a 2009 and older Ford Ranger 8.8-inch axle. "

2010 Ford Ranger 8.8-Inch Axle vs 2004 8.8-Inch Axle:
https://www.therangerstation.com/tech/2010-ford-ranger-8-8-inch-axle-vs-2004-8-8-inch-axle/

The Ford Explorer 8.8-Inch Rear Axle - Swap:
https://www.therangerstation.com/tech_library/Explorer8_8.shtml

How wide is a Ford 8.8 rear end?  https://askinglot.com/how-wide-is-a-ford-88-rear-end
"Vehicle Application        Axle Width (inches)
'86-'93 Ford Mustang 8.8     59 11/44
'65-'66 Mustang        57 11/44
'67-'70 Mustang 8.0        59 51/48

Axle Dimensions        Ranger 1983-1992 7.5-Inch Axle     Explorer 8.8
Width WMS-WMS         56-1/2 inches             59-1/2 inches
Axle tube diameter (1983-2009)     2.80 inches             3.25 inches"

8.8 Axle Facts and Swap info:
https://www.explorerforum.com/forums/threads/8-8-axle-facts-and-swap-info.235261/
"Explorer 8.8 Measurements:
Weight (complete assembly w/ brakes etc.): 174 lb.
O.D. of tubes: 3.250".
Tube thickness: .250" (some are .188”!)
Ring gear diameter: 8.800".
Ring gear bolts: 7/16" dia. (qty. 10).
Pinion diameter/splines: 1.625 / 30.
Axle shaft/splines: 1.320 / 31.
Rotor thickness (where it mounts to axle is .250").
Overall width 59.625" (the F8.8 is .950" narrower then a TJ Dana 35).
(The F-150 8.8 is drum brake and width WMS to WMS is 65.5”.)
Hole diameter for ABS sensor in top of housing: .811".
Bolt size (U-joint flange to yoke) is: 12 x 1.75 x 30 mm
Centerline of housing to C/L of pinion difference is 3.875" toward the P/S.
Pinion offset: P/S to C/L of Pinion, 27-3/4" (no rotor on axle), D/S to C/L of Pinion, 31-5/8" (no rotor on axle). (this measurement is 2.5" more offset to the P/S then a TJ Dana 35).

Specs:
Code Capacity Ratio
43 Open 3200 3.08
41 Open 3200 3.27
42 Open 4.10
46 Open 3.73
45 Open 3200 3.55
D4 Limited Slip 3200 3.73
D2 Limited Slip 4.10
L73 Limited Slip 3.73
L - Limited Slip Differential
C - Conventional Differential

How many splines are the axle shafts?
31 spline for 97 & up Mountaineer, 95 & up Explorer - 30-1/2 inch length - 5 X 4.5 inch lug pattern.
31 spline for 97 & up Mountaineer, 95 & up Explorer - 27-5/8 inch length - 5 X 4.5 inch lug pattern"

Rear End Widths:  http://www.carnut.com/specs/rear.html
A chart listing specifications for the major American cars & trucks back to the mid '60s.

Scrounger’s Guide - Ford 8.8 Rear Axle:  https://www.motortrend.com/how-to/ford-rear-axle/



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