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Breaking in new rears

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Old 04-16-2009, 07:27 PM
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Breaking in new rears

I just ordered a set of 4.88's and a Detroit locker and True Trac.

I CAN'T WAIT!!!

Now I know you have to break in the gears and simple enough to do for the rear but what about the front?

Thanks.
Old 04-16-2009, 09:22 PM
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Originally Posted by jusfloorit
I just ordered a set of 4.88's and a Detroit locker and True Trac.

I CAN'T WAIT!!!

Now I know you have to break in the gears and simple enough to do for the rear but what about the front?

Thanks.
Lock the hubs in and drive around in 2wd
Old 04-17-2009, 10:20 AM
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I put my '85 in 4WD and dropped the rear driveshaft to break mine in:
- http://www.4crawler.com/4x4/CheapTri...ml#GearBreakin
Old 04-17-2009, 04:32 PM
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LOL. I remember when one of my caps shot out of my u-joints for my rear driveshaft and I had to drive around in "front wheel drive" for a couple days untill I felt like redoing my u-joints again. It was like a totally different truck, especially with weight transfer and torque steer.

More questions: If I do decide to do the "front wheel drive" break-in, Am I gonna run into any unsafe binding with the True Trac on the street?

Or should I just lock the hubs in 2WD and drive both rears the normal break-in procedure? Is that going to be enough break-in stress in the front rear to sufficently do the job?

I've broken in 2 rears before in 2 different Camaro's but never did it for a front rear before.

Thanks for the above replies and related link. And thanks again for all your help.

Last edited by jusfloorit; 04-17-2009 at 04:34 PM. Reason: bad typing
Old 04-17-2009, 04:35 PM
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True trac is a limited slip, so won't bind up. I used to run a TT in the front of my '85 and drove it in FWD a few times. It'll pull a little in turns, especially if you get on and off the gas while turning. Otherwise it is not too bad, at least compared to driving a full locker. I run a limited slip in the front of my daily driver and you get used to holding onto the steering wheel in turns while accelerating.
Old 04-17-2009, 05:06 PM
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Sounds good to me 4crawler. And thanks again. I used the search button about gear lube and am taking your advice on GL-4 for the trans and GL-5 in the rears.
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