Just A Car Guy: The Chaparral 2J used two 75 horse power ski-doo engines to power the two fans at the back which would suck the car to the ground.

Glossary of motorsport terms - Wikipedia

Glossary of motorsport terms - Wikipedia

SUPERCAR – STATE OF SPEED

Winding Road Articles by Karl Ludvigsen

2002 Chevrolet Corvette: What's It Like to Live With?

Jim Hall and the Chaparral 2J: The Story of America's Most Extreme Race Car

primotipo, Motor racing memories and observations on the sport's past, present & future….

Glorious works/semi-works failures.

What would be the top speed of F1 cars if they could be built without restrictions? - Quora

Icons & Iconoclasts

Magneto issue 2: Summer 2019 by Hothouse Media - Issuu

Jim Hall primotipo

RACER Redux: The Chaparral 2J

Blog Post Archives - International Motor Racing Research Center