1981 CJ-7 w/ 4 speed SR4 tranny. broken - JeepForum.com
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Unread 06-22-2012, 09:36 AM   #1
JupiterFLCJ7
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1981 CJ7 
 
Join Date: May 2012
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1981 CJ-7 w/ 4 speed SR4 tranny. broken

Help! When I shift into reverse and let off the clutch the shifters jumps into neutral, my buddies tell me I need a new transmission. I want to upgrade now if it makes sense and also add 33" tires and new gears. Should I try to find a tranny at a junk yard? What model should I get? The t4 and t5 are labeled light duty, is there a heavier duty that would work? Also, my bud says a t4 or t5 will be $1,500.

I plan on off-roading and light mudding. Im in FL so sand and mud is all we have.



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Unread 06-22-2012, 10:16 AM   #2
Dubl0Vert
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fORD T-18s always sound good to me. they are available in junkyards and advanced adapters has the parts to make it fit. Personally, I pick up t-5s for 150-300$ and run'em till they pop. I'm on my third and its the best by far, must have been rebuilt at some point.

Regardless, get driveshafts that match the tranny, that way you don't have to cut and weld yours.
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Unread 06-22-2012, 11:19 AM   #3
Pacfanweb
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Find a T-176. Best 4-speed Jeep ever used.

T-18's are strong, but they are basically a 3-speed that has a granny gear. They are clunky shifting and just aren't as good a trans to use on the street as the others.

For off-roading and light mudding, you really don't need the strength of the T-18. T-176 will handle it easily, and be better on the street.
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Unread 06-22-2012, 11:23 AM   #4
80cj
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Quote:
Originally Posted by Pacfanweb View Post
Find a T-176. Best 4-speed Jeep ever used.

T-18's are strong, but they are basically a 3-speed that has a granny gear. They are clunky shifting and just aren't as good a trans to use on the street as the others.

For off-roading and light mudding, you really don't need the strength of the T-18. T-176 will handle it easily, and be better on the street.
X2. T-176/T-177 have decent strength (will handle a 360 V-8) and have good intermmediate ratios.
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Unread 06-22-2012, 12:39 PM   #5
JupiterFLCJ7
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thanks y'all that was fast, Im looking for t-176
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