An extremely rare 1977 Holden Torana A9X hatchback will go under the hammer at an upcoming Shannons auction in Sydney in a few weeks. The A9X has been in storage under a house for 12 years.

The concept is not as foreign as it first seems. Superchargers have long been a go-to fix for maximizing additional power output from gasoline engines, particularly in muscle cars and hot rods.

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We’ve been covering ProCharger superchargers since the very beginning when they came out with their P600B supercharger kit way back in 1994. We knew from the start that this company was ...