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Unread 03-10-2009, 07:17 AM   #16
Scott91
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2012 JK Wrangler 
 
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My 91 also has no C-Clip in the front.

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Unread 03-10-2009, 07:24 AM   #17
wendell
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You can get the about the same performance from a tru-trac as a locker unless you have a front wheeled jacked in the air all of the time. With the tires planted the tru-trac pulls like a train and is nicer on the street. Even if you do jack up a tire, just apply light brake presure and both tires will pull together like a locker. I've played with the tru-trac for years, it's a great unit. Unless your a hardcore rock crawler, it's all you need. I run the TT in the front and rear and it makes for one caplable off roader with good strret manors. A totally locked front and rear is over kill unless your into extreme rock crawling. If you like trail riding and enjoy driving your jeep on the street, the TT is more than capable, it also strengthens the diffs unlike the lunchbox lockers. The TT doesn't pop and jerk and still keeps the jeep street friendly while still allowing it to climb tree's off road.
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Unread 03-10-2009, 03:09 PM   #18
airportdave
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Thanks again for all the great info!! Based on this forum and some other feedback, I have a new set of one piece front axle shafts on order, along with a disconnect block-off kit. As soon as Uncle Sam sends me back my money, I hope to get my TrueTracs and new 4.10 gears installed!
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Unread 03-10-2009, 03:22 PM   #19
Castr8r
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Yer gonna like it! I put a TruTrac in my d30 when I regeared to 4.88s. I eliminated the disconnect with a solid axle, and can't tell it's there on the street. When I get a wheel lifted or on a low traction surface, then a light foot on the brakes will "lock it in". Works great!
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Unread 03-11-2009, 07:13 AM   #20
wendell
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I don't know why more people don't use the tru-trac, it's a strong gear driven lsd with features of a locker. It's a great choice for the kind of wheeling a lot of us do. I've had both the D-locker and TT and really perfer the TT because of it's street manors and it doesn't disapoint off/road.
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Unread 03-16-2009, 10:33 PM   #21
88yj4.2
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true trac

I have this set up, and it works just like an open diff (with a little trick), when the vaccum dico is open.
you need to open the case and remove the convex spring washer that preloads the gears, without preload it works just like an open diff with one axle disconnected. nothing spins. trade off you don't have preload, (just like all the TT for a cclip axle), just use the brakes some now and then to lock it.

the small u joint 88 89 axle uses the c clip the later one with bigger u joints does not.


I have used this setup for a couple of years now, without a problem, have inspected the diff a couple of times, and i havent seen any metal shavings.
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Unread 03-16-2009, 10:37 PM   #22
jeeepguy
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Quote:
Originally Posted by 88yj4.2 View Post
I have this set up, and it works just like an open diff (with a little trick), when the vaccum dico is open.
you need to open the case and remove the convex spring washer that preloads the gears, without preload it works just like an open diff with one axle disconnected. nothing spins. trade off you don't have preload, (just like all the TT for a cclip axle), just use the brakes some now and then to lock it.

the small u joint 88 89 axle uses the c clip the later one with bigger u joints does not.


I have used this setup for a couple of years now, without a problem, have inspected the diff a couple of times, and i havent seen any metal shavings.
Now THIS is good tech! Best tip I've seen in a year. Nice post and thanks for the great tip.
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Unread 03-23-2009, 06:52 PM   #23
jeepsterjc
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I just drove a "road" through the Idaho Panhandle that we thought was an all-year road. The farther we got the worse is got- plowed dry, plowed mud, only mud, snow covered at 3300 feet, deeper snow at 3800 feet... first snowmobile/quad trails then...

We started to have troubles keeping centered on the trail and had to back out. Some distance until we could do a 7 point turn!

The story I'm telling is that the posi and front TT were awesome. I've got BFG 33s and a 2.5 lift. What a gas. Talking about a gas, does the Vette engine spoil a person in the mud! The YJ drove like it could go anywhere.
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Unread 08-24-2011, 06:49 PM   #24
The_Norm
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My 89 Wrangler appears to have the center axle dropping into the truetrac. It didn't do it for 17 years, now when the vac-disco engages, it pushes the shaft into the differential. I read where the Toyo guys put a spot weld on the splines to prevent this exact problem. The truetrac has bee great (up until now). With the vac-disc open, you can't feel anything, just like an open diff. If I can't find any other problems, it's getting welded... just 2-3 spots.
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Unread 08-24-2011, 08:18 PM   #25
Anticanman
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Quote:
Originally Posted by The_Norm View Post
My 89 Wrangler appears to have the center axle dropping into the truetrac. It didn't do it for 17 years, now when the vac-disco engages, it pushes the shaft into the differential. I read where the Toyo guys put a spot weld on the splines to prevent this exact problem. The truetrac has bee great (up until now). With the vac-disc open, you can't feel anything, just like an open diff. If I can't find any other problems, it's getting welded... just 2-3 spots.
Why not just go with one piece shafts? I put my truetrac in the rear and couldn't be happier...
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