Quote Originally Posted by HK1837 View Post
HX never got RTS and none were ever badged as such. The RTS upper control arm mounting points were added mid 1977 but this is not RTS, just a part of it.

HX GTS dashes also were silver, so they wouldn't have used up HX ones,
HX GTS dashes were also black for 8WM and 8WN vehicles excluding Sandman. Part number 9941879

HX Sandman and Monaro GTS dashes only were silver. Part number 9941871

So a left over stock of black HX dashes could have been used up (Most probably were) by pinning the RTS badge to them.