This was a little different but we built these up for a full-bodied stocker build in 1/32. So not just open wheel Modifieds...
We will do a custom chassis if you have an idea or build you are trying to pursue.
That is, we have done them before.
1/32 1955 CHEVROLET OVAL TRACK STOCK CAR -
These are based on a cut/stretched Womp, but they were made to a specific requested wheelbase and width, and they fit the resin shell real well - and will sure to be sturdy and handle well with a lot of brass down low...
I would think think these would be pretty good for a number of slot car racing setups in 1/32. Should make building up a unique car pretty straight forward.