Check for valve sticking on that cylinder, that would raise
the pressure on the lifter/cam.


--
James H. Macklin
ATP,CFI,A&P

--
The people think the Constitution protects their rights;
But government sees it as an obstacle to be overcome.
some support
http://www.usdoj.gov/olc/secondamendment2.htm
See http://www.fija.org/ more about your rights and duties.


"Mark Hansen" wrote in message
...
| On 1/8/2006 5:51 AM, Jay Honeck wrote:
|
| And mechanical failures should have simple
explanations, no? WHY did
| one of the cam lobes fail? Why didn't ALL of the cam
lobes fail?
|
| Timeless issue. www.aviationconsumer.com has hours of
reading on the
| subject. The common factor is infrequent flying.
|
| I suppose the *real* issue should be: Why do camshafts
work at all? When
| you sit down and rationally analyze what is happening
inside your engine,
| the danged thing should just throw itself to pieces in
the first ten minutes
| of operation.
|
| Yet, most of them don't.
|
| Some, however, like Ray's engine, do -- and in very
peculiar ways. (Just
| ONE cam lobe went bad?)
|
| Why?
|
| I wonder if this was the first cam lobe to actually fail.
Have they all
| been measured and determined to be within spec?
|
| --
| Mark Hansen, PP-ASEL, Instrument Airplane
| Sacramento, CA