<VV> Unknown screech noise in/on engine

[Shaun]

Maybe it's a dry bushing in the distributor...
SM

----- Original Message ----- 
From: "Daniel Monasterio" <dmonasterio at megared.net.mx>
To: <virtualvairs at corvair.org>
Sent: Thursday, October 27, 2005 11:09 AM
Subject: <VV> Unknown screech noise in/on engine


>        After 37 years dealing with vairs, I found a new (to me) noise.
Just
> after changing spark plugs (Autolite 425) the engine began to make a
> constant screeching noise, like moving a metalic cap (like old fashion
soft
> drinks) on a flat glass. The noise is constant with the engine ruuning.
The
> pitch is really high. Took off the belt for isolating alternator, belt
> tensioner and fan bearings with no change. The noise pitch is different
from
> dry rocker arms, dry valve stems or a loose bellhousing bolt against the
> flywheel.
>       Think that changing plugs had nothing to do and was just
coincidental.
> Engine is a 110 with less than 2,000 miles, no oil comsuption, no oil
smoke.
>
>       Would somebody point me on what can cause this noise ?.... thanks in
> advance for any help.
>
>       Daniel Monasterio
>
>
>
>
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