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Falk930 Falk930 is offline
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Join Date: Dec 2006
Location: Germany
Posts: 401

Difficult to explain, but for sure not a big "woooshh",
it was more a slight bleed off, but feelable at the WG exit.

The WG I took off from above car is still complete, but have a spare one which I could measure (all metric)
valve guide 10,19mm - valve stem 9,91mm= 0,28mm clearance---thats a lot!
Its a used one, but no visible wear on the guide or valve stem.

Had the chance to measure a Tial F46 too:
valve guide 10,01mm - valve stem 9,88mm= 0,13mm clearance ---thats not very thight too.

*Be assured the numbers are correct, we are used to measure those dimensions with calibrated tools.

Hope that helps

87 930 bblk/blk
88 3.6 white/blk
Old 05-07-2013, 01:47 AM
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