Nascar Heat Cheats

Select the Las Vegas Motor Speedway. Come off pit road
and follow the inside road and two roads down. At the second road,
turn left and drive slowly (under 90 mph). You will fall into
nothing, appear back on the course as a ghost, and slowly change
back to your original appearance.

Just go to your files folders and open options.txt and find the line that says vortex damage then change from no to yes and it should work.

NOTE: May take longer to load tracks with vortex on.