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Unread 03-05-2007, 06:46 AM   #1
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Join Date: Jan 2007
Location: Jackson, Ca.
Posts: 12
72 cj5 transmission choices

I have a 72 cj5 with a 304 and a three speed. What tranny and xfer case do I have now and what are some good choices for a 4 or even 5 speed upgrade? What would be involved in terms of fits ie: drive shafts, floor pan cutting etc, transfer case, etc? The jeep runs great but runs out of gear at highway speed, an od would be great. The throw out bearing seems noisy so now's as good a time as any to swap it.

72 seems to be the bastard step child model year!

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Unread 03-05-2007, 09:13 AM   #2
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1979 CJ5 
Join Date: Sep 2006
Location: Twain Harte, Ca.
Posts: 688
Hey, I'm right down the road from you in Sonora. Here's a link to all the transmissions that went in to the CJ's, click on each tranny for info.

1979 CJ5 360 V8 w/Holley 470 Truck Avenger, HEI Ignition, Livewires w/E3 Sparkplugs, Hedman Hedders, Flowmasters, DANA 30 w/Auzzie Locker, AMC 20 limited slip "N" 3:54's, Tuff Country 2.5" lift, Rancho RS5118, Rubicon Express Quick Disconnects, Currie 1/2" lift Heavy Duty Greasable Shackles, DANA 20, T150, Mile Marker PE8000 w/MiFi Controll Box, Bestop Super Top, Warn 6 bolt Premiums, 31x10.50x15
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Unread 03-05-2007, 03:04 PM   #3
only in a jeep cj
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1986 CJ7 
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Location: Mobile, Alabama
Posts: 4,124
If stock, you should have the T-15 and Dana 20.

1975 CJ-6 304 T15 Dana20 30/44 3.73
1983 CJ-8 258 T5 300 30/44 3.31 Looking for full or half hardtop buy or trade
1986 CJ-7 Laredo 4.6 stroker T5 300 30/44 3.31
1986 TJ-7 Trail Jeep project in the works
2003 Inca Gold TJ Rubicon
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Unread 03-05-2007, 03:57 PM   #4
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T-15 and Dana 20 unless someone's replaced them.

Guess I should read what's been typed above before replying.
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