Oddly optioned cars and Dealership demonstators?

When Dodge was coming out with the Little Red Express trucks there was talk about outfitting them with W-2 heads. Of course they didn't end up doing that BUT... At the time I was turning wrenches at the local Exxon station. Every winter a bunch of gypsys would rent a few houses near by and would come in for gas. One day 3 of them came in driving a Little Red. I asked to check under the hood and while I was doing my routine I noticed the motor had a Holley aluminum intake with the telltale round W-2 runners. It also had exhaust manifolds. I'm not sure what was going on there but I know what I saw. The motor was not well kept and I don't believe they cared about what was under the hood. I saw the truck drive by once or twice after that, then it was gone.