[Spridgets] addendum to Vizard on valve guide seals

[Bill Masquelier]

Glenn
Stuff about 5 feet of cotton rope in the cylinder (after you have pulled out
the spark plug) and turn the engine over until it "binds up" and the rope is
holding the valve up in the head. Add the oil seal and then pull the rope back
out (you DID leave some of it hanging out didn't you?).
Works great if you are careful.
Bill

> From: grbyrns at ucdavis.edu
> To: spridgets at autox.team.net
> Date: Tue, 12 May 2009 12:53:25 -0700
> Subject: [Spridgets] addendum to Vizard on valve guide seals
>
> While I agree with Vizard's logic for leaving valve stem seals off the
exhaust
> valves, there should be an addendum to the "Bible" that INSISTS on exhaust
> valve guide seals on turbocharged engines.  The residual speed of the
turbine
> after the throttle is shut leads to strong vacuum in the exhaust manifold
that
> will suck oil BADLY.  While the neighbors have been understanding and
> appreciative of the reduced mosquito count in the neighborhood, I'm pulling
> the head off next weekend to put them on.  Without the exhaust tie-in of a
> turbo, a supercharger should be fine without the seals.
>
> Glen
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