Lubes with EP additives in Model A transmission?

[Burgie]

Can you use lubes with EP additives in Model A transmissions?

 

[J Franklin]

GL-4 works fine. the reverse idler bushing is the only yellow metal.

 

[Synchro909]

IMO, anything up to GL4 is fine and a long way better than Ford had available in the day.

 

[stickshift]

If GL-4 is good for the ******, I suppose it's good for the rear-end too, yes?

 

[Synchro909]

If GL-4 is good for the ******, I suppose it's good for the rear-end too, yes?

IMO, Yup!