The problem I have with the GT-40 is the exact opposite of the SRT question. The GT-40 looks way too much like the original.
[CUT TO TWO CAR GUYS STANDING ON A CORNER IN CHICAGO, circa 1969]
Fred: "Hey Ralph, did you check out that movie, 2001, space odessy? Was that incredible or what?"
Ralph: "Man, that was one crazy movie. I dug all those monkeys jumping around!"
"Yeah--and it's gonna be so cool when they have jets that go up to the moon and stuff."
"Cat--lemme tell you, that's gonna happen way before 2001! We already walked on the moon, for criminy's sake!"
[A FORD GT-40 TURNS THE CORNER, DRIVES BY FRED AND RALPH SLOWLY]
"Woooooah...check that car out Ralph! Hey, what do you think the cars are gonna look like in 2001?"
[RALPH TURNS, LOOKS STRAIGHT INTO CAMERA, DEADPAN]
"About like that."