Is this a direct fit rearend for my 87 V10?

[Ole Buck]

2006 14 bolt srw. arb air locker and 5.13 gears

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[Grit dog]

No, on literally every every front. And it’s not a 14bolt, it’s an AAM 11.5” axle. (Which doesn’t matter since it won’t even mount up without welding/modification, different width, different gear ratio, different lug pattern, different number of lugs….and that’s just the highlights.)

 

[Ole Buck]

No, on literally every every front. And it’s not a 14bolt, it’s an AAM 11.5” axle. (Which doesn’t matter since it won’t even mount up without welding/modification, different width, different gear ratio, different lug pattern, different number of lugs….and that’s just the highlights.)

Thank you Sir. I should have been clearer, I am looking to do the 14 bolt swap. Just trying to find a direct swap.

 

[Ole Buck]

Now I am looking for a 14 bolt ff to swap in but I reckon this is not it.

 

[Grit dog]

I don’t know what you’re building, but you’re obviously planning on putting 8 lug hubs on the front or swapping that to a D60 as well, with monster truck/mud bog gears, or a double OD trans that will make 5.xx gears drivable at highway speeds without 44s on it!

 

[Grit dog]

NVM, I went and looked at your early posts. You ARE planning on a monster truck.
With everything you’re doing to the truck, if that axle is in good shape and a good deal, it’s got the gears you want already, disc brakes, bonus, and you sound like you have the skills to install spring perches and shock mounts and figure out the U joints.
I rescind my earlier comment. If I was doing a full on build and 8 lug conversion like you are, that axle would absolutely be a very viable option in my mind.
No need for it to be a direct drop in. You are starting from scratch anyway. That’s a small project to fit that axle, comparatively speaking.

And huge bonus on the discs, gears, air locker, and torque arm.
It’s going from viable to no brainer the more I think aboot it…

 

[Ole Buck]

Man i hit gold with this. It was already in a square body. The spring perches have already been relocated to the proper position for my 87. It came with the U-bolts, washers, and the nuts. Plus, he was a square body guy. Thank you Grit dog for your assistance.

 

[Strick]

I have a 14FF similar to that in my 55 Chevy that sits on a 76 K20 chassis. The spring perches have definitely been moved in on that axle. The newer truck frames are almost a foot wider than the old Squares and when using the newer rear axle you must move the shock and spring perches. Looks like a good score.

HS

 

[bucket]

Man i hit gold with this. It was already in a square body. The spring perches have already been relocated to the proper position for my 87. It came with the U-bolts, washers, and the nuts. Plus, he was a square body guy. Thank you Grit dog for your assistance.

I was gonna say, yeah those aren't the original perches. You aren't in the clear yet though as far as the perches go. There were two different perch widths used on the squarebody trucks, the 1-tons and crew cabs had a narrower spacing.

And that certainly looks like 10.5" 14 bolt diff from here (which would also be AAM, actually) and not the bigger 11.5" diff.

 

[Ole Buck]

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[Strick]

Here's a pic where I did the perch movement on my '04 14FF. It worked great but I did have to change the pinion yoke so that I could use my old sized u-joint.

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[Grit dog]

@bucket, yes I believe you’re correct and I stand corrected.
No long gussets on the carrier.
Axle tube size is different 10.5 to 11.5 as well. 3.5” vs 4” or something like that.
Regardless, the 10.5 will take anything he can throw at it unless putting over 6000lbs in the truck bed. And the 10.5 will still handle massive torque.
I’d say @Ole Buck got a deal!

 

[nvrenuf]

Excellent score, especially with the bonus traction bar!

 

[SquareRoot]

Excellent score, especially with the bonus traction bar!

TBD. Price was never disclosed. lol

 

[Ole Buck]

TBD. Price was never disclosed. lol

five hundred bucks for the rear and i picked up 44 today for the front. The 44 does Not have lock/unlock manual hubs. This is a simple fix correct?