1975 Cj5

1975 Cj5

crumrill

Jeeper
Posts
4
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Location
Upstate NY
Vehicle(s)
1957 cj 5 willys original
1975 cj5- lifted AMC 360
1999 Jeep cherokee ( mud jeep)
2002 wrangler Tj off rd
I have a 75 CJ5- Lifted with an AMC 360 , 3 sp- Ft/ Rear axels out of a scrambler---- Tranny is very noisy and can't find 1 or parts for it------------I want to put an automatic in it BUT nobody can tell me what would bolt up to the AMC 360- ANy ideas?
 
Its gonna be hard for you to put an automatic trans in that short little CJ5. Most automatic transmissions are long enough that when coupled with a transfer case the rear driveshaft is too short to work at a decent angle. Your probably better off looking for a strong 4 spd trans to back the 360.
 
An AMC TH400 will bolt up to any AMC V8 but Petecj is correct, the rear driveline will be too short in a CJ5 if you add the auto. It can be done in a CJ7 as they are 10” longer than the 5. If stock you should have a T-15 if the jeep originally came with an AMC 304, if not it could be a T14, either way parts are readily available. (Assumes the PO didn't change it out that is) If you decide to go with a replacement manual transmission such as a T18 the bell housing will need to be changed; which one will depend upon which T18 you use, CJ or Ford.
 
Chrysler 904/999 or even a 727
I've seen them all installed in CJ5's.
It can be done with careful engineering.
If I recall the 727 install kicks the front driveshaft out for pan clearance; so you most likely will need to fab a two piece front drive shaft, using a pillow block or something similar.
 
Chrysler 904/999 or even a 727
I've seen them all installed in CJ5's.
It can be done with careful engineering.
If I recall the 727 install kicks the front driveshaft out for pan clearance; so you most likely will need to fab a two piece front drive shaft, using a pillow block or something similar.


Stuffing an automatic transmission into a CJ5 is a classic example off “just because you can doesn’t mean you should”. I’ve seen it done too but…
 
did you try quadratec? or4wd.com? i have a three speed in my 78 cj and they both have parts for it.
 
Might be better off finding a whole tranny. T-15 or a T18 (4sp). They are out there. Sounds like yours could be spendy to buy piece parts. :D
 
Np435 is what I'm running behind my 360, with a d300, I have a turbo 400 that will bolt up to a amc 360 but like stated before, too short of a driveshaft will be ur issue
 

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