[Vwdiesel] Re: [Audi-VW-Diesels] valve shims & pliers

[dennis pantazis]

sorry for my poor writeup.

yes, you could describe it as convex overall, but its not a gradual
transition like an optical lense (best example i could think of), but much
more pronounced. kinda like a circular go/no-go feeler, only round.

the best way i can describe it w/o a picture is that the shim that is over
the end of the valve and keepers is not worn.
the part that contacts the upper spring seat is noticably worn. there is a
ridge at the outer edge of the shim. the difference is somewhere between 3-8
tenths. ie 0.0003- 0.0008. surface finish looks like it was surface ground

does this sound bad? i am inclined to rely on the final result of the gap,
not the shim. 160K on the odometer.

tia

dennis

ps: the calipers are the like wood turners use, not the measuring kind.