RE: Piston - valve kissing

["Phil Williams" <willamp@domain.elided>]

Rich writes:

>I'm beginning to see a pattern with a number of posts wherein V6

>owners are

>seeing their timing jump.  In pretty much every case so far, the owner

>has

>said that they turned the engine backward, and then looked to see that

>the

>timing had skipped a tooth or two.  In Phil's post, he's seen that his

>timing has jumped, and is convinced that, even though he never turned

>the

>engine backwards, he must have anyway.  The problem I'm having, is

>that

>none of these folks can guarantee that the timing hadn't skipped to

>begin with.

Sorry Rich, can't agree with you here. In the two cases I described the
engine wouldn't turn a complete cycle after the incident because a piston
was hitting a valve. I didn't state that because it was the subject of the
post. Both engines were running fine before the incidents occured.

Phil Williams




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