'75 CJ5: D300, T5 info requested

[DieselJeep]

Hello everyone,
I am converting a '75 CJ5 to a small diesel. I am using a T-5 and a Dana 300 . I believe the CJ has a 4" lift. The springs have taller than stock shackles and much more arch to the springs.

I have hit a few snags:
Does the T-5 bolt to the crossmember directly, with possible a thick piece of rubber between? What is the stock setup, and how is it isolated?

I have 3 possible locations for the Transmission crossmember. With the T-5 and Dana 300 , and the Jeep was bought with no drivetrain, I have no idea how it goes together properly for the stock driveshafts I have. Even searches and the Haynes manual is not helping.

Thanks in advance (if I can get actual help here. My requests for dimensions for stock tub wheel arches doesn't seem to be worth anyone's time even after a week of patience) !

 

[caveman]

Crown Automotive J1370910 - Transmission Mount for 83-86 Jeep® CJ Series with 2.5L 4 Cylinder Engine, 72-86 CJ Series & 72-90 SJ & J Series with 4.2L 258c.i. 6 Cylinder Engine - Quadratec
This is the transmision mount that you need. As far as the wheel arch question that you posted. If any one had an answer to it, they would have posted it.

 

[Kane]

The T-5 Dana 300 combo might be too long for your swap. The 4 inch lift will severally hurt your driveshaft angles. The dana 300s behind the T-5 also had long output shaft. The d300s cj5s from 1980-83 came with short output shafts behind four speeds only. The diesel being hopefully a four cylinder might mitigate the length if you can push the motor forward enough. You have a lot more work than worrying about the skid plate. Think the entire swap through and consider a lower spring shackle combo to start.

 

[Lumpy Grits]

That diesel will tear that T-5 apart.

LG

 

[Kane]

It depends. The mercedes om617 will be a good fit for a T-5 .

 

[007]

Crown Automotive J1370910 - Transmission Mount for 83-86 Jeep® CJ Series with 2.5L 4 Cylinder Engine, 72-86 CJ Series & 72-90 SJ & J Series with 4.2L 258c.i. 6 Cylinder Engine - Quadratec
This is the transmision mount that you need. As far as the wheel arch question that you posted. If any one had an answer to it, they would have posted it.

I can get you your wheel opening measurements this evening.

 

[007]

I guess I didn't read the original dimension thread too well, I missed the CJ5 part... But that said I don't think it matters...

You have the original measurements that duffer gave you on the original post. I measure (on my CJ7 ) 25 1/2 inches from apex of opening to back of tub.

The image below shows my same measurement on a CJ5 to be 28 3/8, but it includes the tail light which would account for the difference.

So this info plus Duffer's info should get you an OEM opening.