|"That is the stern of the 1970 Chaparral 2J CanAm car showing the
ducted fans used to create downforce in the way modern racers now use venturi
tunnels to generate a vacuum under the car.
They are driven by a Rotax 2 stroke engine that was louder than the
Chevy. It was the most annoying sound from a car until the
of the Mazda rotary. Competitors complained about being peppered
track debris that blasted from the fans like buckshot. It
Ivan M. Thoen
"I think it is a Chaparral 2J. I think Jim Hall raced the number
66 in the Can-Am series. Thanks for the great site. I
was looking for something else and I came upon your Mystery Picture."
"Looks like the rear-end of one of the Chaparral Ground-effects cars
– with the twin turbines. "
Several of you mixed up the Chaparral
2H from 1969 with 1970's 2J "Sucker
car". (Not a problem, I've done that myself. TM)
"Without a doubt it is the chaparral 2H."
Todd A Raine
"Chapparal 2J? The sucker car anyway."
"The mystery pic is rather filthy Chap 2J - looks like a turbine
dumpster from that angle!"