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Unread 11-14-2014, 02:32 PM   #1
Jordan2534
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Jeep t18

I have t18 out of a 74 j10, I'm wondering the difference between te ford t18 and jeep. Mainly strength. I don't mind buying an adapter, but I want to run it behind a 7.3 idi

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Unread 11-14-2014, 04:10 PM   #2
CSP
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Internals are the same. The bolt pattern is different where it attaches to the bellhousing and the fullsize Jeep T18s have much longer input shafts than Ford.
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Unread 11-14-2014, 05:36 PM   #3
Jordan2534
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So I will need an adapter from Novak or someone similar. Did the ford t18 ever come behind a 7.3? Is that a trans anyone would use?
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Unread 11-15-2014, 11:15 AM   #4
Jordan2534
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Another option... This one would probably be best. I have another j10 amc 360, dodge 727, unknown t case. The t18 from the 74, will bolt up to the amc 360 and the unknown t case should bolt up to the t18

An then look for a ford t18 or a zf5 for the 7.3. Probably easiest and cheapest way to do it, I do want both to be manual transmission, and then I don't need to run adapters or anything
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Unread 11-15-2014, 11:26 AM   #5
CSP
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I'm not sure where you assume what will bolt up, but it's incorrect. The "unknown" tcase will be a drivers drop New Process case and it will not bolt up to the T18. Just because it all came out of various Jeeps doesn't make it all compatible.


A Jeep T18 will not bolt up to any Ford engine using a Ford bellhousing. The input shafts are too long. You'd have to swap in a Ford input shaft for it to work.


Any Ford 6.9 or 7.3 with a four speed, the transmission will either be a T18 (most likely) or a T19. The 6.9 and 7.3 have the same bellhousing pattern, so it doesn't matter which engine it is.
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Unread 11-15-2014, 11:54 AM   #6
Jordan2534
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Quote:
Originally Posted by CSP
I'm not sure where you assume what will bolt up, but it's incorrect. The "unknown" tcase will be a drivers drop New Process case and it will not bolt up to the T18. Just because it all came out of various Jeeps doesn't make it all compatible. A Jeep T18 will not bolt up to any Ford engine using a Ford bellhousing. The input shafts are too long. You'd have to swap in a Ford input shaft for it to work. Any Ford 6.9 or 7.3 with a four speed, the transmission will either be a T18 (most likely) or a T19. The 6.9 and 7.3 have the same bellhousing pattern, so it doesn't matter which engine it is.

Hey. Thanks a lot for the info. Will the t18 bolt up to an amc 360? Because I do have a passenger side t case attached to the t18. As well as passenger side drop dana 44
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Unread 11-15-2014, 02:28 PM   #7
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If it came off another AMC engine it will. You'll need a 360 specific flywheel as the AMC V8s are externally balanced and the flywheels are specific to each engine's displacement.


There are different T18s for fullsize Jeeps though. The input shaft on the V8 version is much longer than the straight six version.
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Unread 11-15-2014, 10:44 PM   #8
Jordan2534
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Quote:
Originally Posted by CSP View Post
If it came off another AMC engine it will. You'll need a 360 specific flywheel as the AMC V8s are externally balanced and the flywheels are specific to each engine's displacement.


There are different T18s for fullsize Jeeps though. The input shaft on the V8 version is much longer than the straight six version.
So because of the shorter input shaft is the straight six version not useable behind the v8. Thanks for helping me here
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