Camaro IROC-Z
Iroc z
Chevrolet logo
9,000 CR
Model year: 1990
Performance Index: D 341
Drive Type: RWD
Engine Placement: Front
Basic Performance
Advanced Performance
Power: 245 HP (182 kW)
Torque: 345 lb ft (467 N·m)
Weight: 3627 lbs (1645 Kg)
Front: 59%
Displ: 5.7 L
Power/weight: 148 HP per ton

111 kW per ton

Introduced in 1985 as a way of celebrating the Camaro’s involvement in the International Race of Champions series, a one-make stock car series that put the focus on driver competition rather than car preparation, the IROC-Z lasted through 1990 as the top-of-the-line 3rd generation Camaro. That makes the 1990 the last of the line for the –Z cars, with the final 245 horsepower 5.7-liter V8 residing under the Camaro’s long, louvered hood. Thick anti-roll bars front and back help the Camaro achieve highly impressive skidpad numbers—around 0.90 lateral G’s—despite the antiquated live rear axle. That’s a testament to what eighteen years of continual development by GM’s engineers can do for a platform. It also looks the part of a ponycar, with a low beltline and short deck that presents a nice compliment to the expanding waistlines of more recent cars in this class. Camaro fans can’t deny that the IROC-Z looks and performers like the ultimate 3rd generation Camaro that it is.

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