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83 locking diff


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4 replies to this topic

#1 myshoeisonfire

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Posted 23 January 2006 - 04:49 AM

Ive got an 83 ea81 wagon with 4x4 hi/low range - I was wondering if there is a way to weld the gears in the back, or otherwise lock the diff in the rear of the car?

I have never opened up a subaru rear end - I dont know if welding is even possible, or if its something i want to do. I just want something as close to a locker, or posi as possible, as i only use this car off road

thanks!

-Dan

#2 subarunuts

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Posted 23 January 2006 - 09:30 AM

Welding is pretty easy actually. Weld the spider gears to each other at each corner (4 welds).... I like to use a nice grade 8 bolt and jam it in the gears at the point where I make the weld. Never had one break yet. Don't weld the gears to the carrier as that is cast, and brittle. The gears are hardened, and will make a much tougher weld.

#3 1978 fj40

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Posted 23 January 2006 - 06:02 PM

Welding is pretty easy actually. Weld the spider gears to each other at each corner (4 welds).... I like to use a nice grade 8 bolt and jam it in the gears at the point where I make the weld. Never had one break yet. Don't weld the gears to the carrier as that is cast, and brittle. The gears are hardened, and will make a much tougher weld.

can you weld it in the car ? also what did you use to clean off the gear oil ? what type of rod did you use ? thanks john

#4 subarunuts

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Posted 23 January 2006 - 06:09 PM

It can be done on the car, yes. It's best to remove it so you can be sure there are is no spatter left inside the diff before reinstalling. I used brake cleaner as it leaves no residue to clean the gears. Since I used a Lincoln 220v MIG to do the welding I could not comment on the rod type.

#5 1978 fj40

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Posted 23 January 2006 - 06:16 PM

It can be done on the car, yes. It's best to remove it so you can be sure there are is no spatter left inside the diff before reinstalling. I used brake cleaner as it leaves no residue to clean the gears. Since I used a Lincoln 220v MIG to do the welding I could not comment on the rod type.

thank you for your help, i have a 220 mig with gas that should work hate to go through the trouble to take it out have a good one!




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