Any truck 8.8 axles made with 28 splines?

pollock · Post by **pollock** » Thu Sep 30, 2010 12:50 pm

Simple question - Were any truck 8.8" rear axles made with 28-spline shafts?

Post by **FORDification** » Thu Sep 30, 2010 2:02 pm

No. The 8.8 rearend was never offered in a truck. The only rearends offered include:

9" Ford
9-3/8" (fairly uncommon)
Dana 44
Dana 60 (both a LD 5-lug version and the HD 8-lug version)

TX69F100 · Post by **TX69F100** » Thu Sep 30, 2010 2:03 pm

I'm not sure, but look for info on the late 90s Explorers. They came with an 8.8, I believe.

On edit: I believe the Explorers all have 31 spline axles, but this webiste: http://www.therangerstation.com/tech_library/Axles.html says that 1990+ 4.0L Rangers came equipped with the 8.8 28 spline setup.

ScreaminZ · Post by **ScreaminZ** » Thu Sep 30, 2010 2:56 pm

FORDification wrote:No. The 8.8 rearend was never offered in a truck.

Say what? Most ford half ton trucks used the 8.8 starting in the mid 80's on up to at least 2000, maybe even still today.

Caseys71 · Post by **Caseys71** » Thu Sep 30, 2010 3:29 pm

ScreaminZ wrote:
FORDification wrote:No. The 8.8 rearend was never offered in a truck.
Say what? Most ford half ton trucks used the 8.8 starting in the mid 80's on up to at least 2000, maybe even still today.

, Well I know that rangers/explorers used them at least, not sure on F-150s. I think Kieth was referring to the 8.8s not being offered in our trucks as they weren't offered in our trucks.

fordamericana · Post by **fordamericana** » Thu Sep 30, 2010 4:40 pm

"this differential was utalized by Ford as early as 1981 in the F-100 pickup, Broncos in 1981 to 1984, E150 Vans starting in 1983. Mercury's including Capri and Cougars starting in 1986."

Source : http://www.drivetrain.com/parts_catalog ... gears.html

Anywho, what kind of vehicle are you working on?

Post by **FORDification** » Thu Sep 30, 2010 11:04 pm

OK, I guess I should have clarified myself. I meant it wasn't offered in a bumpside (or dentside) truck. Sorry for the confusion.

BRUTUS_T_HOG · Post by **BRUTUS_T_HOG** » Fri Oct 01, 2010 12:12 am

80's and up f-150s have 8.8s but i don't know if they are 28 spline or 31. i would imagine 31.. but you should be able to use the carrier out of any 8.8

i've read that all rangers/explorers with 4.0 v6 have 31 splines

pollock · Post by **pollock** » Mon Oct 04, 2010 1:42 pm

Aren't the Ranger/Explorer axles offset to one side? Maybe that doesn't matter, especially given the super-long driveshaft on a LWB bumpside.....

fordamericana · Post by **fordamericana** » Mon Oct 04, 2010 3:19 pm

pollock wrote:Aren't the Ranger/Explorer axles offset to one side? Maybe that doesn't matter, especially given the super-long driveshaft on a LWB bumpside.....

Slightly...

I know alot of mustang guys use the explorer and ranger 8.8 axles in their cars... http://www.mustangandfords.com/index.html

I doubt it would interfere with anything or bind anything up, because the angle is slight...

Or appears so...

Darrman · Post by **Darrman** » Mon Oct 04, 2010 4:23 pm

The explorer/ranger axle is offset to clear the gas tank that runs alongside the driveshaft. My explorer has 31 spline axles, I have heard that some of the rangers have 28's, not sure about bronco II's.

ScreaminZ · Post by **ScreaminZ** » Mon Oct 04, 2010 5:28 pm

Why not just find a F150 axle that's already got a limited slip differential in it? Those are plentiful and not too hard to find. No need to mix and match different axle parts.

fordamericana · Post by **fordamericana** » Mon Oct 04, 2010 5:38 pm

ScreaminZ wrote:Why not just find a F150 axle that's already got a limited slip differential in it? Those are plentiful and not too hard to find. No need to mix and match different axle parts.

pollock · Post by **pollock** » Mon Oct 04, 2010 5:41 pm

ScreaminZ wrote:Why not just find a F150 axle that's already got a limited slip differential in it? Those are plentiful and not too hard to find. No need to mix and match different axle parts.

That'd definitely work too. I haven't tried hard to find one, but I was halfway assuming they would be fairly hard to come by. Having done a lot of crown vic junkyarding in the last couple years, i was surprised at how many of those came with posi.

I'm pretty intrigued by the explorer axle though. I need to measure mine and see how the width compares. Wish I'd have looked into that a year ago - the yards were FULL of clunker'd explorers.

48prerunner · Post by **48prerunner** » Sun Oct 24, 2010 8:28 pm

pollock wrote:Aren't the Ranger/Explorer axles offset to one side? Maybe that doesn't matter, especially given the super-long driveshaft on a LWB bumpside.....

off the ranger station website
Measurement

Ford Explorer 8.8-Inch
Width between wheel mounting surfaces 59.75"
Pinion offset to right of center 2-3/16"
Pinion length, tube center to U-joint center 11-5/8"
Pinion height, U-joint center below tube center 1-7/8"
Bottom of diff housing below tube center 5-7/8"
Disc brake rotors 11.25 x 7/16"
Brake Drums 10"
Drum brake shoes 7.25 x 1.25" (e-brake)
Distance between spring perches (o/c) 39"
Tube diameter 3.25" (neck down to 2.75")
Axle shaft diameter 1.31" 31-spline

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