what possi should i run in the front of a Dana 30 front - JeepForum.com
 
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post #1 of 11 Old 05-21-2020, 10:30 AM Thread Starter
bentleyfab
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what possi should i run in the front of a Dana 30 front

Got a new jeep started taking stuff apart on the front end and realized my axle had welding spatter on it turns out someone welded the front spider gears not sure what to run up there looking for recommendations

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post #2 of 11 Old 05-21-2020, 10:42 AM
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That would depend on what your goal is and how much you want to spend, but you're not going to be running a 'posi' in a front end. Maybe a locker, if that's the way you want to go.
For a more budget fix, there are thousands upon thousands of D30 front axles in salvage yards. Finding a used carrier and gears would be fairly easy.
Mid-range, there are plenty of sources for new carriers, lockers and gears. Just do an overhaul.
Or high-end, you can spend thousands on a complete built axle.

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post #3 of 11 Old 05-21-2020, 10:51 AM
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Or watch your local craigslist for someone parting out the appropriate year/model/gear ratio Jeep and just get the whole axle and just swap it in.

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post #4 of 11 Old 05-21-2020, 03:06 PM
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What kinda Jeep you have probably will influence your traction device choice, whatcha got ?

The only Limited Slip worth the purchase price is a Detroit TrueTrac.

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post #5 of 11 Old 05-22-2020, 05:34 AM
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Originally Posted by CJ7-Tim View Post
What kinda Jeep you have probably will influence your traction device choice, whatcha got ?

The only Limited Slip worth the purchase price is a Detroit TrueTrac.
Don't forget the Powr Lok as well (I'm a bit of a fan).

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post #6 of 11 Old 05-23-2020, 02:00 PM
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Originally Posted by CJ7-Tim View Post
What kinda Jeep you have probably will influence your traction device choice, whatcha got ?

The only Limited Slip worth the purchase price is a Detroit TrueTrac.
X2. If you want a limited slip, go with the TrueTrac. It is a gear based limited slip so there are no clutches to burn out.

Another option to consider is a "lunch box locker." They are cost effective and re-use your existing carrier (no need to mess with your gears). All you do is swap out the internals. The locker will act like an open diff in 2wd, but lock up when torque is applied in 4wd.

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post #7 of 11 Old 05-24-2020, 09:00 AM
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X2. If you want a limited slip, go with the TrueTrac. It is a gear based limited slip so there are no clutches to burn out.



Another option to consider is a "lunch box locker." They are cost effective and re-use your existing carrier (no need to mess with your gears). All you do is swap out the internals. The locker will act like an open diff in 2wd, but lock up when torque is applied in 4wd.


I’m not sure, but I wouldn’t think you would be able to disassemble a Lincoln locker in order to be able to reuse the carrier.

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post #8 of 11 Old 05-26-2020, 08:54 AM
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I’m not sure, but I wouldn’t think you would be able to disassemble a Lincoln locker in order to be able to reuse the carrier.
Not quite sure what you mean, but there are two types of auto lockers. One is like a detroit full carrier replacement, and the other is a drop in locker that fits into the existing carrier and replaces the spider gears. With the detroit, you will have to re-set your gears because it is a complete unit with it's own carrier. With the drop in lockers like an Aussie Locker, Spartan Locker, etc.; you have to remove the carrier and ring gear from the axle to install them, but you won't have to do any gear set work as long as you don't touch anything else and put everything back exactly the way it was. These "lunchbox" type lockers only replace the factory carrier internals.

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post #9 of 11 Old 05-26-2020, 10:16 AM
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Not quite sure what you mean, but there are two types of auto lockers. One is like a detroit full carrier replacement, and the other is a drop in locker that fits into the existing carrier and replaces the spider gears. With the detroit, you will have to re-set your gears because it is a complete unit with it's own carrier. With the drop in lockers like an Aussie Locker, Spartan Locker, etc.; you have to remove the carrier and ring gear from the axle to install them, but you won't have to do any gear set work as long as you don't touch anything else and put everything back exactly the way it was. These "lunchbox" type lockers only replace the factory carrier internals.
The OP's spider gears are apparently welded together to create what effectively is a spool. The term "Lincoln Locker" is used to describe this approach - the reference being to the Lincoln Welder.

You suggested that the OP could install a lunch box locker, which requires removing and replacing the spider gears, and reusing the carrier. The point of my post was that I'm not sure the OP could remove the spider gears and reuse the carrier to do so since the spider gears (and perhaps also the carrier depending on how sloppy the welds are) are welder together.

Make sense?

Jeff

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post #10 of 11 Old 05-26-2020, 11:23 AM
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Originally Posted by NashvilleTJ View Post
The OP's spider gears are apparently welded together to create what effectively is a spool. The term "Lincoln Locker" is used to describe this approach - the reference being to the Lincoln Welder.

You suggested that the OP could install a lunch box locker, which requires removing and replacing the spider gears, and reusing the carrier. The point of my post was that I'm not sure the OP could remove the spider gears and reuse the carrier to do so since the spider gears (and perhaps also the carrier depending on how sloppy the welds are) are welder together.

Make sense?

Jeff
Oh got it! I misunderstood what lincoln locker meant.

Yea I guess it depends how the gears are welded in there if the OP can get them out.

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post #11 of 11 Old 05-26-2020, 08:30 PM
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X2. If you want a limited slip, go with the TrueTrac. It is a gear based limited slip so there are no clutches to burn out.
The tru trac will wear out as well. The difference is the powr lok is rebuildable. It will also take a terrific amount of abuse, to include large tires. Don't get me wrong, I like them both, just pointing out there is more than one option.

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