here's a thought posted by ZEngineer (TT) on April 22, 2005 at 01:21 PM
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was planning on running a test on my TT soon. It's one of those with the flexible rubber hose which screws into the plug hole on one end and has an air hose coupling on the other for the gauge. Given the inaccessability of the plug hole on our cars, how do you screw a hose like this in tight enough to hold air pressure that might be as high as 170 psi?