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MuscleCar: Hemi Air Ride Suspension, Big Brakes and the '70 AMX!How about a little NASCAR with your Mopar? With the Challenger's unibody finally straight, it's time to install shock wave air bag suspension and a trick fully-adjustable K member. Then it's new spindle tech, big disc brakes, plus how to make a muscle car look like it's laser-aligned. Then in this week's Muscle Car Flashback: the limited production '70 AMX, American Motors' Javelin-based pony car.PowerNation

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