Tiny, Perhaps the master parts manual combined parts in later editions. It seems rather common.
Rick, It sounds as though you may have the 3661378 used on all models 1937-47. The parts interchange manual indicates it is 33.125, is it possible yours is that length also? Can you find a part number?
The 26 inches to the first bend would work well for my application.
At least I am getting closer, thanks guys.
Paul