Daniel, I'm late to your build and for that I apologize. I'm south of you a bit but my son just moved from Bentonville to Tontitown so we're in the area occasionally. All that said, a neighbor down the road has a small salvage yard. Way back in the brush is a 40-50ish GMC with county road department door markings. As I recall it"s a complete solid body truck (may have a small dump bed). Don't recall the hood emblems but it sure looks like it could be a desirable GMC engine donor. If you're interested I'll check it out and let ya know.
