detroit locker or detroit truetrac? - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 22 (permalink) Old 02-02-2008, 09:18 PM Thread Starter
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detroit locker or detroit truetrac?

Rearend is gonna need some work soon. I am wondering what is gonna be better for my 02 f-350 crew cab. The truck is a daily driver that does some towing and hauling. I want to fix the rearend the right way the first time with no regrets, but also want posi. Does anyone know the pros and cons with either locker?
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post #2 of 22 (permalink) Old 02-02-2008, 09:44 PM
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Re: detroit locker or detroit truetrac?

Pros of Detroit locker: Extremely strong, always sends power to both wheels if you are on the throttle.

Cons of Detroit locker: Can be tougher to drive in the snow/ice, can make noise when it engages and disengages, while making a turn your inner tire will chirp or spin if you are on the throttle.




Pros of the Trutrac: More predictable on snow/ice, no harsh engagement or noise, unlike other limited slips there are no clutches to wear out, more street friendly than a Detroit locker.

Cons of trutrac: Not rec. for tires over 38", not a Detroit locker.


My $.02


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post #3 of 22 (permalink) Old 02-02-2008, 09:58 PM
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Re: detroit locker or detroit truetrac?

I'd agree with all that. I ran a Locker in my TA and corners were a bitch. If you're on an on-ramp and you lean into the throttle the whole car kinda shifts when it locks up. Oh, and don't coast into a parking space with a sharp turn, CHUNKA-CHUNKA-CHUNKA! hahaha

It did good for what it was meant for though, being indestructible. I'd recommend the TrueTrac
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post #4 of 22 (permalink) Old 02-03-2008, 12:32 AM Thread Starter
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Re: detroit locker or detroit truetrac?

So it is safe to say that you get the benefits of the detroit locker but with better driveability, and no sacrifice in durability?
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post #5 of 22 (permalink) Old 02-03-2008, 12:43 AM
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Re: detroit locker or detroit truetrac?

A Detroit locker will give you better traction and strength.

A trutrac is strong (again, only rec. for 38" tire max.), offers good traction and better driveability. For towing and hauling with a daily driver, this would be my choice between the two.


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post #6 of 22 (permalink) Old 02-03-2008, 05:26 AM
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Cool Re: detroit locker or detroit truetrac?

Quote:
Originally Posted by DCSpecial View Post
A Detroit locker will give you better traction and strength.

A trutrac is strong (again, only rec. for 38" tire max.), offers good traction and better driveability. For towing and hauling with a daily driver, this would be my choice between the two.

Actually per the truetrac owner's manual (here) the tire diameter can only be maximum 32" (page 1, operator's column):

"Distribute the load evenly side-to-side; do not
exceed the vehicle's rated payload capacity;
keep the diameter of the tires equal (max
diameter 32 inches). Failure to observe these
measures can create a difference in side-toside
wheel speed which can cause the vehicle
to pull to one side."


I found this out while looking for something to put into my 2001 that had 35x12.5s on it and ended up buying the D. Locker instead because of it. Never installed it, still have it but I'm considering throwing it into my 2006.

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post #7 of 22 (permalink) Old 02-03-2008, 07:15 AM
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Re: detroit locker or detroit truetrac?

My buddy runs a Detroit Locker on the back & a Detroit True Trac on the front of his 79 Bronco with 38 TSLs. In the mud it has no problem spinning all 4 wheels & he is hard on it too.
I think for most normal everyday driving the true trac would be just fine. The locker is more if you want to make sure you get 100% lockup.


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post #8 of 22 (permalink) Old 02-03-2008, 02:50 PM
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Re: detroit locker or detroit truetrac?

Quote:
Originally Posted by PlatinumEdition78412 View Post
Actually per the truetrac owner's manual (here) the tire diameter can only be maximum 32" (page 1, operator's column):

"Distribute the load evenly side-to-side; do not
exceed the vehicle's rated payload capacity;
keep the diameter of the tires equal (max
diameter 32 inches). Failure to observe these
measures can create a difference in side-toside
wheel speed which can cause the vehicle
to pull to one side."


I found this out while looking for something to put into my 2001 that had 35x12.5s on it and ended up buying the D. Locker instead because of it. Never installed it, still have it but I'm considering throwing it into my 2006.
I can't remember if it was on this board or another....but someone emailed Eaton (within the last 3 weeks) and the response from Eaton was 38" max.


Either way, there is a member on FTW running a trutrac with 41" Iroks...


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post #9 of 22 (permalink) Old 02-03-2008, 03:34 PM
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Re: detroit locker or detroit truetrac?

I love my Detroit locker wouldn't trade it for anything else if you don't want it to make noises learn to drive with it and you wont know you have a locker in the rear. The only time it makes a noise with me is if I get on it in reverse while turning but even then its not everytime other than that you wouldn't know I had a locker in my truck. A locker might not be for everyone but it is the only diff for me.

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post #10 of 22 (permalink) Old 02-03-2008, 06:38 PM
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Re: detroit locker or detroit truetrac?

Are the Detroit and Eaton units the same?

1999 F350 CC XLT 4x4 6spd
2006 F350 CC KR 4x4
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