Quote:
Originally Posted by vwdevotee
Color me ignorant, but what is ZRS?
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It's a swingaxle based suspension that uses zero roll resistance at the rear, but makes the swinger behave much like a solid axle car. It allows the rear-chassis to roll without resistance - but at the same time keeps both tires planted flat on the ground - regardless of roll angle. All vehicle roll resistance is controlled up front, with a standard sway bar. SOP on current formula Vee designs, though it was created back in the late 60's (or maybe before).