Firsts and Lasts in Motorsports

[Stan Reid]

Stan: I am looking for the last Indy winning chassis built in USA. A magazine article on Gordon Johncock mentions his 1982 Wildcat as being the last. However, G Force and Panoz G Force have 4 wins later than that. The question is were these cars constructed in the US?
Data on the net indicates the companies were US based, but what is the real story?
Does if come down to definitions?

I don't know if those cars were actually built in the U.S.-good question