[revvhappy]

I had a Truetrac installed and it requires non-LSD stubs for the diff. I'm guessing that Cressida or automatic supra stubs will do the job.

 

[Texasissouth]

Good luck, lemme know if you find 2 extra

 

[revvhappy]

I didn't realize that they were so rare until I started searching.

 

[RedP85]

not sure, but I think Ltypes were nonLSD.

 

[revvhappy]

Thanks, Jocelyn. I'll expand my search.

 

[1982 Dragon]

Hey brother. You need to thank tire shredder aka Steve for this info:
I’m sending my diff to the same guy that built his. His name is Ken Francisco in Arizona (Gearinstalls.com). I was in the same boat and was looking forever for these stupid things. Believe they only came in the automatics.
Anyways, long story short... ken is our guy. He can machine these down for us and make it all work. I’ll be sending my diff out next month for a full truetrac setup. Can’t wait to see the results!

 

[revvhappy]

If I understand correctly the Truetrac needs longer stub axles than the OE LSD diff. What needs to be machined down? I've viewed a lot of the GearInstall posts and love his work.

 

[Texasissouth]

FWIW I think there are a couple people in the TT thread who haven't had issues with the shorter stubs wandering out, they used stronger than original C clamps or something.

 

[revvhappy]

Thanks for the information!

I just found Tireshredders Truetrac write-up and someone mentioned that the LSD stubs with new circlips create enough friction to work for thousands of miles without problems.

 

[Funkycheeze]

Yeah I never had an issue with the LSD stubs in the truetrac when I was still running a 7.5" diff. I did use new c clips though. The CV axles tend to push in a bit on the stubs constantly too.

I guess you could machine the inner parts of the truetrac splined sections shorter so the LSD shafts would lock in properly. That's probably the plan the gear installs guy has.

 

[RedP85]

I talked to Jamie (Cap'n 2jz) today, he went true that this summer.

The non LSD only works on the #342 trutrac, the original one. No longer available. The #644 replacement which is what i have and which is sold now, the non lsd stubs are not long enough to clip. Longer but not enough to clip, i tried. What i did now is have my splines reduced to fit lsd stubs which are easier to find.

Here is a pic of them:

 

[Funkycheeze]

I just ended up going 8" as the 7.5" just isn't up to the task of 2JZ power on 285 wide sticky tires.

All Toyota GX71 8" (G code) rear diff and...

To begin this story, we must first witness what some hard driving on a 460+ WHP 440+ WTQ 2JZ will do to a 7.5" diff, even with a Truetrac and solid spacer kit (and the big truck input flange for 1310 U joint): https://drive.google.com/open?id=121zqdCN_2SBgm3w9id9zUIVPFDWcNJ5y...

www.celicasupra.com

 

[revvhappy]

I may have found a set of non-lsd stubs and will update tomorrow. Thanks to everyone for adding to the conversation. I won't feel too bad if I end up running LSD stubs with new clips until I pull the diff apart someday and modify the TT gears. My race car is lowered and the axles tend to run near horizontal most of the time.

 

[ShadeThoonigans]

i have a few sets pm me with offers on them. i have both non lsd and lsd stubs.....

 

[revvhappy]

I found a set near home and installed them. They still aren't long enough to set the circlips. I ran them for 2.5 hours on track and a dyno session with no problem.

 

[ShadeThoonigans]

to be honest it requires a little bit of machining to get the c clips to seat correctly depending on the tru trac you have because the revised version is where machining is required

 

[revvhappy]

Does anyone know how much material needs to be removed from the gears for the clips to seat?

 

[ShadeThoonigans]

Does anyone know how much material needs to be removed from the gears for the clips to seat?

you might be able to get Weir performance to tell you. Contact him via instagram is best way or call him at the shop.
i sent my tru-trac and stubs to him and he did all the work for me so i dont have a exact spec of what was removed. i could possibly find the bill and see if anything was mention. let me take a look and see what i can dig up.

 

[ShadeThoonigans]

you might be able to get Weir performance to tell you. Contact him via instagram is best way or call him at the shop.
i sent my tru-trac and stubs to him and he did all the work for me so i dont have a exact spec of what was removed. i could possibly find the bill and see if anything was mention. let me take a look and see what i can dig up.

 

[Funkycheeze]

Ugh get lost scammer.