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Old 10-11-2009, 12:07 PM
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detroit locker or powertrax locker???

Im at the point of my 12 bolt build that I am shopping for a carrier.

Im building this 12 bolt for my 70 El Camino its mainly driven on the street in the city. The other portion I would like to be able to abuse at the track. The rest of the car is built for abuse and Id like the 12 bolt to stand up to the most abuse (sticky slicks, traction bars, 4.10s, firm tranny, high torque).

Im really debating on what my next buy should be.

I first started wanting the powertrax no slip locker. Only because it fits inside my open carrier and its fairly cheap for a locker. Ive heard good and bad things about it like any other product but more good then bad. Id buy custom alloy axles from moser with a c-clip eliminator kit. all of this is 30 spline axles.

My other choice the one Ive been thinking about for quite some time now is the detroit locker. Its more aggressive but extremely strong and reliable from what Ive read. Its a bit on the pricey side tho. And if I do do buy it then Id like to upgrade to 33 spline axles with the c-clip eliminators.

I do not want a posi because in all reality I just dont. I dont have any real reason I like the idea of the locker. . . Spool action while straight open while turning (as long as my foot is off the gas). No clutches to wear out no need to rebuild. I dont care about it being smooth and noise free. My car shakes at idle due to the cam. The entire suspension and body mounts are built with energy suspension bushings so it squeaks and its firm. The engine is very loud because i have purple hornies bolted to the headers and it dumps out the side right under the seats. So a rough noisy ride from a locker is just another instrument added to the orchestra lol.

So it all boils down to this. . .

Detroit locker 33 spline axles c-clip eliminators.
OR
Powertrax no slip 30 spline axles c-clip eliminators.

For my 70 elky high torque firm tranny traction bars 4.10s the ability to run slicks at the track and daily abuse on the street.

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Old 10-11-2009, 12:50 PM
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you asked a similar question Here

not many answers in 2007 either
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Old 10-11-2009, 12:57 PM
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yes that was about a weak 8.2 rear end. many things have changed my plans are very different.
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Old 10-11-2009, 02:30 PM
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What about a Detroit True-Trac type unit??
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Old 10-11-2009, 02:31 PM
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iv used a powertrax slide in locker in my 8.5" 10 bolt and the open carrier split like it was made of plastic, im talking maybe half throttle from a dead stop. i replaced that with the full detroit unit and it made that whole rear end extremely strong, i mean, that thing was holding up to 500+ hp on 35" offroad tires on a heavy pickup truck and it held together very well, and this is a rear end that all the truck guys know as a very week rear end, the open carrier in my opinion is what makes a small rear end week. i just switched to a 9.5" rear end just because i found a 6 lug one for $150 and i just couldnt pass it up, i did the same thing with that one, 4.56 gears and a Detroit full locker. the full Detroit is worth every penny if you ask me, only carrier ill use. speaking of which, iv got that 8.5" one for sale, to bad it wouldnt fit your 12 bolt.

i would never run a lunch box locker in an open carrier again, its very week imo. maybe you car guys get away with it since your vehicles down weigh as much. and i wouldnt ren the truetrac either, if your going to spend $450 you may as well just spend a couple hundred more and get the best of the best, youl be glad you did when you nail it around a corner and get the car sideways with ease.
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Old 10-11-2009, 07:58 PM
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I ran a powertraxx in a 94 Dakota with a mild 318/auto trans for 7 years without any problems. The truck had wheel hop issues and eventually the powertraxx started slipping/skipping on the side plate gears. I replaced it with a factory Dodge sure-grip but I'd run a Powertraxx again in a heartbeat. I tried to get the parts to rebuild mine but it would have been cheaper to buy a whole unit. BTW the only annoying thing it did was bind sometimes when you were going really slow on a downhill and turning at the same time with no throttle. A touch of throttle freed it up instantly.
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Old 10-12-2009, 03:04 PM
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Well I know the detroit locker is by far the best option. Its also the most expensive option.

I guess I would just like to know more about the powertrax locker. Both the no slip and the loc right. whats the difference between them?
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Old 10-13-2009, 08:44 PM
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Quote:
Originally Posted by elcaminodragster
Well I know the detroit locker is by far the best option. Its also the most expensive option.

I guess I would just like to know more about the powertrax locker. Both the no slip and the loc right. whats the difference between them?
both the same, they act just like the Detroit except they are extremely week.

EDIT: they are not week, they are week because the open carrier you must run them in is extremely week.

Last edited by chevy1500z71; 10-14-2009 at 03:36 PM.
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