Well I figured it out. Most in part to Rob's site at oldgmctrucks.com.
Well here it is, for those wondering.
As you all know in 1951 there was a year split. A few changes occured, but most importantly is the bed from 9 board to 8 board.
With that came other changes, and in my case was the gauges. Early 51' was the dark cream background with dark lettering.
Then in late 51, they went to what a lot of part's suppliers (chevy duty) call the Chevy set, which is a cocoa background with light lettering. So I actually have to order the Chevy set for my 51 GMC Truck.
If I'd ordered the GMC set, it would not have matched.
Just an update. . .back to restoring!
