Interchange info for banjo rear

[House of Fab]

I'm aware of some of the different widths.(got wider in '42-'48) What are the can and can't do when it comes to changing bells from year to year? I've got what I think is a 37 center with internals and axles and want to put 36 bells on. Is there a difference in the bearing sizes? Thanks in advance

[TomT/Williamsburg]

TomT here - I am working with Dave on this and we could use some help. Basically we have 37 axles, open drive center from a 42-47 truck, and 36 bells. Seems the 36 bells will not seat to the center section properly - any difference in the 36 vs 37 axles? They are the same length but are the center bearings in a different position? Different size?

Thanks for any help you can give ....

[Andy]

I put 36 bells on a 40 center. I think you use the later side bearings. You should be fine with either axles.

[ford38v8]

This link should be of some help to you. No help here for open drive, however.

http://www.flatheadv8.org/fordrear.htm

[Uncle Bob]

What Andy said, the '35-6 bearings and races are a narrower profile than the later. Choose whichever direction you want and match bearings and races on carrier and housing.

[Karl Wolf]

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Originally Posted by Uncle Bob

What Andy said, the '35-6 bearings and races are a narrower profile than the later. Choose whichever direction you want and match bearings and races on carrier and housing.

I put together a rear using 1946 Merc 3.54 drive shaft/pinion (one piece) and carrier/center section with 1936 bells, 1937 axles and spider gears. Use the 1935/6 carrier bearings... It set up with one set of gaskets.

Karl

[ford38v8]

Karl, you probably meant the '39 axle/spider? '35 through '38 were the same.

[TomT/Williamsburg]

Thanks, gents - now we know we need 35-36 axles and spiders to go with those bells ...

[Karl Wolf]

I would use 1939-41 axles and spider gears, if that was what I had... Just not 1942-48- they're too long...

Karl