[T3] ? Mystery of the Clacking Valves ?

[Jim Adney]

On 12 May 2011 at 11:43, sploogemeister wrote:

> Does your oil have a high ZDDP content? I've been seeing a lot of
> "flat cams" lately because of the "wrong" oil. Your symptoms are
> similar to what I've been seeing. Do you have a way to measure the
> actual lift of the cam? Without the ZDDP, both the cams and the lifters
> wear incredibly fast, increasing rocker gap.

Except that will wear off the high part of the cam and leave the 
"flat" part, where the valve lash is adjusted, untouched.

Well, I guess wear to the lifter would show up everywhere, so you 
would see some fraction of the total wear when adjusting.

-- 
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Jim Adney, jadney at vwtype3.org
Madison, Wisconsin, USA
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