Power Lock clutch pack - Dodge Cummins Diesel Forum
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post #1 of 19 (permalink) Old 12-12-2019, 06:04 PM Thread Starter
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Power Lock clutch pack

Decided to replace the clutch pak in my D70 2U power lock.Mine are worn.
I know there are the stock fiber clutches, then there are all steel sets.
Just looking for near stock (maybe a little more aggressive).
Opinions? I have searched but most of what I have found is pretty vague.
Do the all steels wear longer? bite harder (on the same stacking of clutch assembly for comparison)? Noise comparison? Anything else?


98 12v 2500 2wd club cab long bed

Last edited by M.abbey; 12-13-2019 at 03:52 PM. Reason: make more sense?
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post #2 of 19 (permalink) Old 12-12-2019, 07:05 PM
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On my Power Lock, I used the stock packs. You can really make a difference in "aggressiveness" by arranging the clutches. I made mine "aggressive" and loved it. No issues whatsoever. I now have the AAM axle on a '05 and wish I had the old Dana. The LSD's on the AAM's are terrible.

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post #3 of 19 (permalink) Old 12-12-2019, 07:30 PM
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Call Dr. Diff, he can set you up with clutches.
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post #4 of 19 (permalink) Old 12-13-2019, 01:39 AM
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Quote:
Originally Posted by M.abbey View Post
Decided to replace the clutch pak in my D70 2U power lock.Mine are worn.
I know there are the stock fiber clutches, then there are all steel sets.
Just looking for near stock (maybe a little more aggressive).
Opinions? I have searched but most of what I have found is pretty vague.
Do the all steels wear longer? bite harder (on the same sequence of clutch assembly for comparison)? Noise comparison? Anything else?
I got mine from Yukon not overly aggressive but have yet to have one tire spin always two. Not sure what you mean by metal or fiber clutches mine were metal with fiber bonded stacked with metal Bellevue plates.
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post #5 of 19 (permalink) Old 12-13-2019, 01:51 AM
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I’ve taken the Power Lok apart and blast the clutches.......providing they aren’t scored, the will be good as new.
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post #6 of 19 (permalink) Old 12-13-2019, 02:54 AM
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Quote:
Originally Posted by 5.7 Hemi View Post
Ive taken the Power Lok apart and blast the clutches.......providing they arent scored, the will be good as new.
Blast them with what?

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post #7 of 19 (permalink) Old 12-13-2019, 09:35 AM Thread Starter
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Quote:
Originally Posted by myother4x4isaCJ7 View Post
I got mine from Yukon not overly aggressive but have yet to have one tire spin always two. Not sure what you mean by metal or fiber clutches mine were metal with fiber bonded stacked with metal Bellevue plates.
Some sellers sell the clutches without the fiber bonded to the metal plates. While doing a search I also read discussions where people have used the all metal sets and thought they were the better alternative. But most of the discussions were about aggressive action for off roading. I am more interested in street use in my 2wd (and the occasional muddy conditions where I live when it rains - infrequently).
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post #8 of 19 (permalink) Old 12-13-2019, 10:11 AM
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Have you tested yours to see if they are worn out, or just think they might be? I recently tested mine on a snow/ice covered pullout in WY with a travel trailer in tow. They still work as designed.

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post #9 of 19 (permalink) Old 12-13-2019, 11:09 AM
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Put them in a blast cabinet.
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post #10 of 19 (permalink) Old 12-13-2019, 11:13 AM
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Quote:
Originally Posted by Baja View Post
On my Power Lock, I used the stock packs. You can really make a difference in "aggressiveness" by arranging the clutches. I made mine "aggressive" and loved it. No issues whatsoever. I now have the AAM axle on a '05 and wish I had the old Dana. The LSD's on the AAM's are terrible.
Not being real familiar with LSD's but thinking I am going to need to be what exactly do you mean by making it more aggressive?
Mine, new to me, is making what seems like a lot of noise during turning so will probably be doing the clutch pack shortly. Any input would be appreciated as this would be my first time at this.
Thanks

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post #11 of 19 (permalink) Old 12-13-2019, 11:25 AM
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Have you tried adding a bit more additive?

97 3500, 2 WD, G56, slightly bombed, 1.3 million miles with un-additized diesel fuel. Started the second million on 8/24/13
If you are lucky enough to be in Texas, you are lucky enough.
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post #12 of 19 (permalink) Old 12-13-2019, 12:05 PM
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Thanks GAmes, yes I have about twice the recommended amount, FSM, in there now. This is a donner truck, new to me, but while exchanging and rebuilding it I did put new axle and pinion seals in it and new gear oil and the required amount of friction modifier. Since then I have added more FM. I did not see anything that looked bad, no teeth missing or chunks of metal, and not much gunk, if you will.
When I make slow turns like coming into my driveway I can hear some chatter and feel a small vibration like driving over some small wash board type road. Just not sure if this is normal as the LSD is new to me.
I am not trying to hijack this thread just trying to get some info.
Thanks

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