Is my HX a Sandman?

[Innuendo]

I have a 11 month 1976 panelvan and I think it is possibly a sandman but I need help identifying it ??hx8 wm70 trim 1888-18v L32 m20 gv7

Paint = Cotillion White
Trim = Slate Black
L32 = 253ci V8
M20 = 4 Speed Manual
GV7 = 3.55:1 Diff Ratio