The AMC Rebel Machine’s hood scoop included a driver-visible tachometer. The unusual gauge was integrated into a raised fairing at the rear of the large ram-air scoop, allowing the driver to monitor engine speed through the windshield.
The feature belonged to The Machine, AMC’s high-performance 1970 version of the Rebel. Its scoop was not merely decorative: a vacuum-operated inlet helped feed cooler outside air to the carburetor. Early scoops were fiberglass, while later examples used injection-molded construction.
The Rebel Machine also combined a 390-cubic-inch V8, a standard four-speed manual transmission, heavy-duty suspension, and distinctive red-white-blue graphics. Its hood tachometer made it instantly recognizable among period muscle cars, although contemporary testers noted that glare, rain, and sunlight could make the gauge difficult to read.
A common mix-up is confusing the tachometer with a conventional dashboard instrument. On the Rebel Machine, it was prominently mounted on the hood scoop, not placed among the usual interior gauges. AMC produced 2,326 examples for the 1970 model year.