Actually, go to Google, enter your search terms, and add the word HAMB. You will get much better results than you would using the site search.
In the 50's we used a 220 Volt arc welder and a heavy piece of Channel iron, 4 big "C" clamps 2 on each piece. Bevel the cuts, on the driveshaft bevel both sides about 3/8 to 1/2 inch. Clamp it with a small gap, start down in the bevel and weld 1/8th of it at 12 o'clock, rotate it to the opposite side across from the weld, Weld 1/8th of it at 6 o' clock, let it cool, then do the same thing at 3 o. clock ans 9 o-clock, then do the gaps the same way by doing opposite sides again let it cool between welds. It worked then it'll work now. A driveshaft shop will do it for about $500 depending on where you live. No respline just cut and weld.
What's the best way to shorten the A shaft? It's solid bar from end to end right? Did you respline one end, or retaper the other?
I have information on this thread, specially post 69 https://www.jalopyjournal.com/forum...gine-w-torquetube.728951/page-3#post-12341386
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