Ebay search for 1/8 models
some examples:
Jaguar E-type
Trans AM
Corvettes
Hot-rods
Some vintage model (Mercedes, Alfas etc..)
and the Pocher Porsche's and Ferrari's
So there are a few models to choose from but they often cost 100$+++. The cheapest are the hot-rods wich sell for about 70-80$ and the most expensive are the Pocher Ferrari's wich sell for abour 500$++ The Ferrari F40 engine trans-kit costs alone 150$