From a fellow newbie: there's a lot of debate about where it's best to put jack stands -- there are welded assemblies you can get to insert into the jacking points that are at the center (wieght-distribution-wise) of either side of the rocker panels. If you jack under the transaxle, people suggest a piece of wood to prevent gouging. There are good points in the neighborhod of the torsion bar tubes to hold the car up, but I'll leave it to someone who knows betterthan me to say where, specifically.
You do need to have the car level for the transaxle fluid change. As I recall, I jacked each side up incrementally, with four jackstands distributing the load. Then I prayed a lot while twisting the bolts that they wouldn't shear, and that the car wouldn't fall on top of me. I don't know if this will factor into any theology schools' curricula, but I survived.
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Jack Olsen
1973 911 T sunroof coupe
[This message has been edited by JackOlsen (edited 09-05-2000).]