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Re: moved post
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Posted by CNKS on January 31, 2005 at 18:06:40 from (204.249.178.138):
In Reply to: Re: moved post posted by lee on January 31, 2005 at 15:08:44:
I think I'm going to have to answer my questions by buying a new rocker and comparing it to the old ones. The shiny area would logically be where the rocker is in contact with the valve stem, but looking at some of them, it is getting smaller. As to how thick it is, I bet not more than maybe .002, I can't tell--provided that's what I'm looking at. If it is simply where the tip contacts the stem, it means that up to about 30% of the surface is unused (or barely touched) and that there was a lot of variability in that contact from valve to valve for a long time. On the other hand if the valve stem made good contact over the whole rocker tip surface, the tip pressed more on the edges and wore them off. In that case it is probably impossible to get them set correctly. Does anyone have some old rocker arms laying around they can look at to determine the wear pattern?
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