Looks as if Parnelli Jones himself is back in the number 40 at the Brickyard. Trackforum.com has a shot of Jones sporting an open face helmet behind the wheel of his son PJ's Honda-powered tribute to the legendary turbine-powered Silent Sam.
Parnelli on Track [trackforum.com]
Related:
Silent Sam Turbine Livery Returns to Indy 500 [Internal]