What is the proper torque for the nut on the yoke? My book says a preload drag of 25-30 inch pounds, that does not seem tight enough for the rear nut that tightens the nut on the pinion. I didn't know to mark it with paint before I took it off, but want to torque it to the correct tightness. Any help is much appreciated...

So, I have a '40 Packard and an OD tranny from a donor parts car that my granddad had. I do not have any electrical components, only the actual transmission, and the overdrive unit.

Where would I begin on a control module? Would a 3.92 ring and pinion be appropriate on a car shipped to Denver CO designed for altitude?

Where do I identify the model on the OD/tranny?

Thanks for any assistance, I have had the same idea about converting a non OD '40 into an OD because I have the tranny and unit.

What is the correct adjustment? I have a '40 and am going thru the rear end and brakes. I don't have the postwar manual. Is mine maxed out or never been adjusted?

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Many thanks! I appreciate the help.

So I've looked through the manuals and on this forum, but found nothing. Who has done this job and how do you get the key way out? I cannot get the rear drums off..

Yes, I have a Stewart Warner gas heater, thanks for explaining! I'm going to check the ignition on it and how it works.

Does anybody have experience with gasoline heaters as to a lack of heat coming out of them? When you turn mine on the fan kicks on, but no heat comes out. Is there a thermocoupler or some sort of igniter that gets fouled up with old fuel?