This car sold on ebay in march 2015 for 475.00
Did some more browsing on ebay and found a listing for a ertl 1/18 diecast miss mighty mopar that matches the body on the gas car . I have been involved in selling nhra/nascar diecast and models from the beginning of racing champions and Action . have always been into nitrous planes cars and boats have had the Cox and Wen Mac cars. But never have I seen a Ertl intro car . the hood or doors would not open on a tether car anyways
Some one did a nice retrofit but not Ertl.
My 2 cents worth