Re: The Duchess Project: 1940 Super 8 Convertible Sedan

Posted by Joe Santana On 2019/2/26 11:32:25
This is the underseat heater I bought from John Ulrich.

HH56 pointed me to two photos in the Packard Photo Archive, 1940, page 16-#158 and page 17-#164, repeated here. These show the grille in LWB cars.

Also the partial instructions from Service Letter Vol 13 No 2, Jan 15, 1939.

Howard suggested this, which is great input.
"I can't speak much to prewar plumbing but on the postwar cars the underseat heater cores were placed in series with the main heater rather than have any Y or T connections.

From the head or block outlet to the main heater, out of the main to the underseat and out of the underseat to the water pump return. On the Clipper bodies the hoses were clamped to the body floor at the U shaped transverse reinforcing channels rather than to the frame. Hoses that had to cross to the other side were routed under the trans thru the opening in the X member and clamped to the plate on the bottom of the opening. Maybe conventional bodies did the same??"

The heater in 5-passenger cars like mine will probably be mostly positioned under the rear seat, with room for a switch. If the motor isn't restorable (the fan does spin), there's a new (after market) 1940 Chev 6v 1-direction (but reversible) motor from chevsofthe40s.com that's has the same measurements.

As parts come back, I'll post photos. But Marilyn would have had fun with that backseat LWB heater.

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