Pre '68 Dave,

It looks as though there might be just enough room to clear the exhaust if I shorten the threads a bit and use a thinner nut. Good suggestion!

That will be my next step if I can't find a setup like Phil has.

Nick
1940 KC Model 1/2 Ton Pickup Project
(with '37-'39 Bed and what we think is a '42-'46 Frame)
Taos, New Mexico