URQ quirqiness Compression testing

[SuffolkD at aol.com]

In a message dated 4/30/2006 12:08:15 PM Eastern Daylight Time, 
quattro-request at audifans.com writes:

Won't just testing all 4, 5, 6 or 8 cylinders as the motor sits leave some 
valves open?

Don't you have to turn the engine over to TDC or some position where the 
cylinder being checked has both valves closed?  Hence screwing in the compression 
tester in the last hole:  the spark plug?
-Scott by BOSTON
> 
> 
> > Pull the compression gauge out and to my horror #4 & 5  don't 
> > even bounce the gauge. NOTHING!
> 
> Although I am not really offering much of a solution, such bizarre 
> measurement results prompt me to suggest rechecking, just in case 
> something about the test setup was awry.
> - 
>