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Unread 04-13-2013, 06:33 PM   #1
paff336
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2000 XJ Cherokee 
 
Join Date: Mar 2011
Location: Port Allegany, Pa
Posts: 24
question about what tranny and transfer case i have

I aquired a 1978 cj7 that had a 258 inline 6 that was taken out by the po. Its an automatic and has fulltime 4wd with a knob in the glove box to lock something with the 4wd. It doesnt have locking hubs. Could anyone tell me what tranny and transfer case this is equipped with?

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Unread 04-13-2013, 06:38 PM   #2
skizriz
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1978 CJ7 
 
Join Date: Jun 2011
Location: , Pa
Posts: 3,842
A TH400 3 speed transmission, and a Borg Warner 1305 (1339 if you have low range) or simply called a Quadratrac, transfer case.
It's the same setup as I have.
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78 CJ7 258 TH400/Dana18 SOA/stock YJ springs 35" General Grabbers.
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Unread 04-13-2013, 06:40 PM   #3
paff336
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2000 XJ Cherokee 
 
Join Date: Mar 2011
Location: Port Allegany, Pa
Posts: 24
Is the transfer case any good or is it something i should swap out
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Unread 04-13-2013, 07:05 PM   #4
skizriz
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1978 CJ7 
 
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Location: , Pa
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The biggest negative with them is the the chain eventually stretches and needs replaced.
The good Morse chains are just about impossible to find, and will cost close to $400. (I do know of a place that has a few in stock for $375)
You can get a Chineese made chain, but the quality just isn't there. I had one stretch and become unusable after 4 hours. They are about $200.

Over all it pretty tough and will last if maintained, the biggest is running the proper oil. I trash mine fairly hard and other than replacing the chain (with 96,000 miles) it has taken everything in stride.


Here's some good reading on the Quadratrac.
http://jubileejeeps.org/quadratrac/index.htm

Here's the oil that goes in it. Anything else can ruin it.
http://www.bjsoffroad.com/prod-76.htm
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78 CJ7 258 TH400/Dana18 SOA/stock YJ springs 35" General Grabbers.
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Unread 05-02-2013, 01:36 PM   #5
patrickpat
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1977 CJ7 
 
Join Date: Aug 2012
Location: Alkmaar Holland, the netherlands
Posts: 4
Both TH400 an QT are real tough when maintained check oil once a year and replace TLC1 when you hear no ratteling keep chain unbothered, you can check chain for strech...you've got a real Jeep here..permanent 4by4!!
img_7625.jpg   img_762555.jpg  
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