Non MN-12 Diff swaps - TCCoA Forums
 
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post #1 of 6 (permalink) Old 08-26-2013, 05:21 PM Thread Starter
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Non MN-12 Diff swaps

I have several vehicles with Open diffs and thinking about going TL. Correct me if wrong but if carrier comes out and/or is replaced Backlash needs to be reset? Also on solid axles (F-150s and Panthers) it is just swap out the carriers right?

If all else fails get a bigger hammer!

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post #2 of 6 (permalink) Old 08-27-2013, 08:04 AM
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Yes, remove wheels, remove brake caliper and rotor, slide axle in, remove C-clip, slide axle out, then remove the carrier, making sure to keep the shims in the same location. When going back together, if you are only changing to a TL, and keeping the same gears, and you are using a Ford TL, re-install the factory shims in the original locations, and your backlash will pretty much always be good, but check it just to be sure.

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post #3 of 6 (permalink) Old 08-27-2013, 04:14 PM Thread Starter
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That's what I was thinking, since the gears will be the same the only issue should be the flatness and thickness of the carrier (and would suspect that's in the neighborhood of .001+/-, could be less; Dana used to be here and some of the guys worked there and said FOMOCO was anal about their stuff Land Rover even more so).

Plan on using new Traction-Lok since I don't see the point in a junkyard pick plus a rebuild with what a new TL form Summit and the like are. ~$250

If all else fails get a bigger hammer!

93 SC Tbird
MPII w/ Plenum,90mm MAF, 85mm TB, 40# Injectors, 255 lph FP, Double IC w/fan, SCT Chip (Tuned by Jerry),3/4" Raised Top, F52-TT TC, SilverFox AOD 550, SPT-R VB
96 1/2 XR7 Sold and Salvaged
93 5.0 Tbird

Last edited by bowez; 08-27-2013 at 04:20 PM.
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post #4 of 6 (permalink) Old 11-12-2013, 08:18 PM
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What install kit do you use with an IRS diff?

I want new carrier bearings and all, as well as a track loc rebuild kit.

What you y'all recommend?

I'm going to either 3.55 or 4.10 on this rebuild...

EDIT:

here is the link to our stuff:
http://forums.tccoa.com/showpost.php...5&postcount=19

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Last edited by Grog6; 11-12-2013 at 08:26 PM.
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post #5 of 6 (permalink) Old 11-12-2013, 08:39 PM
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If u go back with ford carrier just put shims were they came from u switch to non ford diff be prepared to reshim the thing

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post #6 of 6 (permalink) Old 11-13-2013, 07:03 PM
No, Mr. Lemmywinks, No!!!

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The one I'm rebuilding ate a shim; looked bronze or brass from the plating and tiny bits left over.

I'll have to set it up, but I have help; I watched him build both of his.

Rob, what do you think of the newer non-crush upgrade that's available?

edit: it's a 28 spline stock irs trak-loc carrier, unless they're all beveled.

Red '96 Cougar XR-7 240k mi. '02 4R70W, PST DS : '03 PI engine, 04 maf, 24lb injectors, 2.5" exhaust, '02 4r70w + Jmod, DirtyD0g TC + cooler + 3/8" lines, 255 walbro fp. Alpine system.
Black '96 Cougar XR-7 (Lazarus) 210k mi PI Intake, '02 4R70W, Jmod, PST DS, GrogTune, Konis, Mark LCA+Poly, racecougar Custom Engine Chain, and JL and racecougar Bracing.
Black '97 Tbird Limited Edition, '02 4R70W, 255 walbro, PST DS, PBR Brakes&SS lines, Toicko Blues & Springs, GrogTune.


"War Is Peace. Freedom Is Slavery. Ignorance Is Strength." - George Orwell.
Truth Isn't Truth. - Rudy Giuliani, 2018 Award winner, “Most Outrageous Diversion” by MSNBC for this quote

Last edited by Grog6; 11-13-2013 at 07:13 PM.
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