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Diff alternative?


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Hello everybody,

I'm looking at buying another new rear diff unit for my t2. Im wondering if anyone else got different idea that was successful? Like someone using Ford 7.5 diff's was that successful? New unit from sb is a bit high for my taste but much better than other dealer quoted me at $1200

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https://www.dropbox.com/sc/0te7a4fjixwleoy/oFzXZieOWX

https://www.dropbox.com/sc/985lnj8u4q5m4hk/cgDImnQ2Gm

https://www.dropbox.com/sc/8l9j5tpzmwbpedg/zUH8B-pE1V

https://www.dropbox.com/sc/d0g8j337gt0hnwc/S0ceDY09pN

https://www.dropbox.com/sc/1afivknnz3lz6th/0qbEdXRgq-

https://www.dropbox.com/sc/56cocbujkty57fp/oHjDWdove-

https://www.dropbox.com/sc/xl4cldm7n5iygh9/aMZHTxlzjI

https://www.dropbox.com/sc/owarnnsfatun8ko/Kvnh8bemDq

Those are pictures in my dropbox from my phone.

I know i need ring and pinion for t2 and the bearings are pretty bad and sloppy loose, seals would be good also my pinion bushing is shot. Only 1500 miles on it. I also need an rear left half shaft from diff to rear left wheel

Brandon

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The Renegade gearing uses the same 32 tooth ring gear but a 14 tooth pinion gear where as the stock Trooper gearing used a 15 tooth pinion gear. The ring gear is identical on both. The stock tire on a Trooper is 27" dia. If you run the Renegade gearing with 31" tires, it would still be a bit higher gearing then stock and equal to a 29" tire on stock gearing. It helps a lot when you run bigger tires.

You can get bearings at a bearing supply company along with seals. Your case damage doesn't look like a problem. Mostly caused from gear parts scraping around inside. I'm not making the upgrade kits anymore but there are things you want to be aware of and I would check any diff, new or not to see if these things have been addressed. Send me your E-mail address and I'll send your a copy of the diff upgrade instructions I provided which covers all issues in detail with pictures that you need to be concerned about.

Lenny

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Plumber I'm interested! But don't have the cash right now...

Lenny thanks for the tooth count on gearings..

I figured out the gear ratio.. trooper ratio at 32/15 would make 2.133

Renegade 32/14 make 2.285

Very little change but every bit helps since I'm running 29.5 tires with 3" deep treads...

Lenny you said you stopped making the Kits... well i feel so lucky since i still have them unused that was my mistake! Waiting to do upgrade for the diffs!

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post-1099-137108697111_thumb.jpg

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Bruhaw runs the Renegade gearing too. He has a T4 with big tires. He was having a problem with the big tires bogging him down, not being able to get the engine to rev good. He switched to Renegade gearing and problem solved. It was just enough to allow the engine to reach its good power range. Rocmoc never did get the gearing put in his T2. He sold them first but kept the gearing which he sold to Bruhaw.

Lenny

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https://www.dropbox.com/sc/8l9j5tpzmwbpedg/zUH8B-pE1V ---that set screw that shows in this photo need to be loctited or double set screwed to lock it in place, I had mine back out and the shaft cam out and did major damage, ruined the diff housing.

The shield on the bearing in https://www.dropbox.com/sc/1afivknnz3lz6th/0qbEdXRgq- should be removed so the oil can get in and do it job.

I agree with Lenny, the housing isn't damaged enough to worry about, nor is the plate with the bearing that needs to have the shields removed, Ring and pinion, no question,

All the bolts in https://www.dropbox.com/sc/985lnj8u4q5m4hk/cgDImnQ2Gm need to be replace with grade 12.9 bolts, You can order Allen head bolts from McMaster-Carr,

( I think that's the right size) and then grind the head down by putting the bolt in a drill and spinning the head against a grinder, I used the longer bolts so I end up with shank instead of threads going between the unthreaded parts of the bell pieces into the ring threads, Lenny says put a nut on the back, I don't.

Good luck, hope we can help,

Kinarfi

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The bolt head i have is 13mm but i believe the threads are still 8m x 1.25...

The bolts aren't in great shape haha..where the bolts contact the rear end carrier... the threads are messed up. I have a feeling that those 8.8 grade bolts are not up to the task and will shear soon. I have bolts from Lenny kit that I'm planning on using along with renegade diffs.

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So you bought the Renegade diffs from PLumber. That was a good buy and you'll love the gearing. Don't even think about running them until you upgrade them. The bolts in my kit are metric grade 12.9. Grade 8.8 is like our grade 5 and 12.9 like our grade 8.

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