Re Indexing Torsion Bars
 

well Here I go with the adjustment of the rear ride height of my 66 911. This all started because I recently noticed a difference in ride height between sides. My question is--well first we need a little pre game on this--when I removed the banana arms from the spring plates I noted their position on the wheel well as a benchmark from ground zero. I noticed however that upon measurement their positions were indetical. Is this normal? by my calculations my passenger side will have to be set downward from the drivers side to equal out the after ride height. I beleve this is probably due to the weakening of the drivers side bar over the past 35 years. This leads me to believe that when I am done the spring rate will be different even though the ride height is the same. Am I right, Am I wrong, do I need to replace the torsion bars? Or do I just keep going.

Dean Culp
1966 911

If the front torsion bars aren't set right they will effect the rear ride height. To check this, jack the front of the car up with a floor jack placed dead center under the nose of the car just ahead of the gas tank. I use a half-pipe laid on the jack pad. With the rear sawy bar disconnected, raise the nose of the car until the front wheels are just off the ground. Note left and right rear ride height and adjust until they match. Then you can adjust the fronts to match left to right. Some driving and rechecking is required for accuracy. They do settle quite a bit.

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Tyson Schmidt
72 911 Cabriolet
92 C-2 Cabriolet