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On Thu, 2002-02-21 at 20:22, jim rustad wrote: > > >>Another theory I possess is that of too tight valves and springs...if > >>there > >is too heavy spring pressure, that would (hypothetically at least) increase > >the load pressure of the lifter as it rides on the cam, possibly leading to > >premature wear of the cam lobe. > > Or maybe its because the springs are too light and the cam profile > is not tracked uniformly? > I don't think spring pressure has much to do with it in a stock engine. And I have seen a few flat cams in stock engines. I think it has more to do with the heat treating of the cam, and the profile. Also with how well the engine was maintained, with oil changes and such. -- Russ Wolfe '66 FB MT (It drove) '71 FB AT russw@classicvw.org http://www.classicvw.org ------------------------------------------------------------------- List info at http://www.vwtype3.org/list or mailto:help@vwtype3.org