[TSRF]

Don,
your Lotus 38 is in fact a Pactra BRP-Ford Indy car body with a Monogram exhaust and rear bumper.
The Maser 450S appears to be the Du-Bro model.

 

[TSRF]

Joel, it's a real beauty at replicating the SMART/BRP run car driven by Merling Stoss himself!