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Re: [T3] Stretching valve stems?


On Mon, 2005-11-14 at 21:57, Jim Adney wrote:
> On 14 Nov 2005 at 17:25, Russ Wolfe wrote:
> 
> > Mahle is actually making valves with hollow stems and stamped from
> > metal. They are in the testing stages right now. They have engines that
> > have gone over 100K miles with them. Probably be in production in a
> > couple years. The lighter the valve, they higher the rpms for the
> > engine.
> 
> Could these be sodium filled? One of they guys I work with has 
> drilled out motorcycle valves, added a bit of sodium, and welded the 
> hole shut. The hole is in the head end; the stem end is hardened.
I will see if I can get a copy of the old company news letter that the
article was in. It was about a year ago.

-- 
Russ Wolfe
'71 FB AT
'66 FB MT
'64 T34 (not running)
'65 T1 (not running)
'05 KIA Sorento SUV
russw@classicvw.org
http://www.classicvw.org

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