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Difficulty level : 1
I have received many e-mails from other 993 owners who were concerned about using the bottom of the engine as a jacking point when jacking up the rear of the car. Any 993 owners who have jacked all 4 side of the their 993 knows that it is a lot of work to jack all 4 corners up without using the bottom of the engine as a jacking point. Although I have been assured by experts like Bruce Anderson, and many other senior mechanics around the country that it is perfectly ok to jack the rear of the 993 up under the engine, it is still being viewed as a tabooed behavior. Especially with the confusing statement made in the owner's manual about never to jack the car up under the engine. (Of course we all know that the manual states that because the engine sound tray is in place) Based on the above concerns Autometrics
Motorsports a reputable Porsche tuner in Charleston, S. Carolina came
out with a dual purpose jacking point / tow hook solution for this exact
concern.
  Installation procedure (For 993 only) Jack the rear of the car up, you can choose to jack up both side of just one side. Remove the engine sound tray Remove the engine sound tray mounting bracket
on the middle of the engine.
Loosen the two 17mm engine mounting bolts
above the sound tray mounting bracket
Find the 17 mm engine mounting bolt and
lock washer in the parts bag that comes with the kit Only the lock
washers will be used for this DIY in the 993 cars, you will need to re-use
the factory mounting bolts.
Mount the jacking block under the engine,
install the lock washer and hang tighten the two engine bolts.
Find the long 13 mm bolt with the 13 mm
nylock nut and washer in the kit.
With the jacking block push up against
the engine and make sure there are no slack between the block and the engine
tighten the long cross bolt to 17 ft lb with the nylock nut with the thick
washer on the nylock side.
Tighten the two 17 mm engine bolts to 30 ft lb. You are done.
 
This is what the jacking block looks like from the rear of the car 
Jack in action!
AutometricsMotorsports no longer manufactures the 993 jacking block. A revised jacking block without the tow hook mounts were manufactured to accommodate the request for a jacking block solution for the 993 cars. Now
you can purchase the new revised jacking blocks directly from p-car.com
for $250 + freight.
The jacking bloacks have been revised in the following area: (2). The jacking pad point is now rounded These
jacking point will only fit Porsche 993 1996-1998, will not fit turbo,
or 1995 993s.
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