Welcome to the IMSA History unofficial website

This site is aimed at bringing you memories from the glory days of sportscar racing in the US.

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Constructor General Motors
Chassis Perimeter frame, rollcage.
Body Steel, fiberglass body panels.
Suspension Coil/damper and wishbones front, solid rear axle.
Gearbox Muncie T10 4 speed.
Dimensions
Wheelbase : 2756mm
Front track 1676mm
Rear track 1575mm
Engine Chevrolet Big block V8 4,5L up to 7,5L


The Chevrolet Camaro has long been the backbone, in making up IMSA grids. From virtually showroom stock to wild, be-winged and arched big-block monsters with tube-frame chassis, they have been there from the very beginning of the series. There are many variants and it would be truly impossible to name them. The main problem with these big-block engines was the drivetrain. The transmission could simply not cope with the power generated by those engine-tuners.

 Chassis list