The Barrett-Jackson event has it all. I’ve been out to Scottsdale AZ a couple of times this past week. DJ has been there all week. (2 wins. W/ 1 more to go.) I’d be willing to bet, there is a car that fits your needs out there somewhere. Take a look at the lists on their site. There are also means to contact sellers of unsold vehicles through B-J. (It ends this weekend, but you can still get a bid in, registered to be there or not)
They also can provide you with contacts that do just what you want in their restorations.

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1980 300D - Veggie Burner !