How many different lengths of clutch release bearing holders are there? And part numbers?

motorhead

motorhead

Bigger Hammer
Oct 10, 2022
174
Atascadero, Ca
First Name
Chris
Willys Model
  1. Pickup
Willys Year:
  1. Other
I have been slowly working to put a 1948 CJ2A engine into my 1939 Willys pickup truck. believe me when I say it has been a challenge getting the right parts to make the '48 engine fit the '39 truck and not Mickey Mouse anything. I have the rebuilt '48 engine, 1939 modified front mount plate, 1941 bell housing, 1939 transmission and a '41-'45 front bearing cover that holds the input shaft bearing. I am running the '48 flywheel and the three finger pressure plate.

My question is: How many different lengths are there for the casting that the throw out bearing is pressed on to? My '39 used a real short one.
The one I have now, the CAST part that holds the bearing measures 1.265 approximately between the surface of the two ears that the throw out fork contacts the cast bearing holder to the surface that the throw out bearing presses to. Here is a link to a picture of the part.
shop.willysamerica.com

Willys America Carrier - Clutch Release for Willys Overland 134 / 148/161 Vehicles

Willys America Carrier - Clutch Release for Willys Overland 134 / 148/161 Vehicles
shop.willysamerica.com

I am just concerned about having the right length if there are different lengths
 
I dont have part numbers for you, just been bit before on mixed up parts. All you can do is use a ruler and record all the sizes and add them all up . If the engine and transition are both out it is easier ,if not use the short t o bearing bolt the engine trany up and look at the space between the pressure plate and bearing. it should be about 1/2 away with the bearing all the way back and should have room to stroke ahead about 1 1/4 inch's without the fork hitting the pressure plate...Phil
 
Thanks Phil. I'll have to wait and see what the gap is when I get the '41 and later, T-84 front transmission bearing cover. I am working with a 1939, T-84, 2 wd transmission.
I measured all three different bell housings I have and they are all the same dimension between the surface where the transmission mates to the bell housing and the surface where the bell housing mates to the back of the engine.
 
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