Thingy

["Chris and Ranae Procyk" <procyk19@domain.elided>]

The thingy is a heat-riser valve.  It's on my '73, I don't know if they went
to something else in '74 or if the PO just threw it away (sunny California).

I really never quite understood it.

In Use: 70 1210 4x4 TE, 73 1210 WM
Project (2nd time) 67 1000B PU
Parts: 67 1000B TA   68 1100 4x4 TA  72 1010 TA