My grandfather did that, apparently the original gauges crapped out on him, he lived in a little tiny blink and you'll miss it town, and his hours as a ranch foreman didn't give him a lot of time to go find parts. His friend owned a tow company and a guy had wrecked his truck, my grandfather got that gauge cluster and welded in the circles cut the lipped area off the donor dash and welded it in. It's pretty clean but I'm going to have to do a little bit to clean it up, I'll post pictures when I get to stripping and prepping the cab.