<VV> wimpy old valve problem

[Matt Nall]

----- Original Message ----- 
From: <mark at noakes.com>
> Following the cold adjustment procedure (normally adjust running...and
> I noticed that all were cranked out more on the loose side by that
> method), I still ended up with a rocker on the #2 exhaust that I can
> move with my hand after adjusting and then coming back to it a few
> minutes later.  The valve stem does not appear to be pushed down at
> static position so I don't think that the valve seat is popped.  With
> the head installed and a trouble light, I could not see any problems
> with the valve spring, but it may still be either a spring or a
> collapsed lifter on that cylinder.  Given the fact that I can adjust it
> and then it seems to be loose shortly after...it seems that that would
> be the lifter.  Everything else appears ok on all cylinders.
===========================================

Just went thru this on the CC Forum....

Are you certain that NUT is   holding?   The nuts are "Ovaled" to make then 
"self locking"

They wear out  over time [ adjustments]  and  will back off quickly!

With a torque wrench..they should take approx. 20 ft lb.  to  turn