Chip Old wrote:
>
> On Wed, 26 Aug 1998, Dave Ahrendt wrote:
>
> > Replacing the old TC/TD thermostat is a good thing. Regarding Dave
> > Raymonds' article; I would add one thing. When you use a new style
> > thermostat instead of the old version you loose the sliding piece that
> > covers the bypass tube. So once the car is up to temp some amount of
> > coolant is still going to take the easy route and avoid the radiator.
> >
> > I would block off the bypass opening by just replacing the existing
> > gasket with a solid one.
>
> Don't block it completely! There needs to be some circulation through the
> block and head while the thermostat is closed in order to promote even
> warmup and to prevent localized hot spots.
>
> A better approach is to restrict flow through the bypass, but not block it
> completely. I use a home-made brass spacer between the thermostat housing
> and the bypass elbow, with a 1/4 inch or 5/16 inch hole to allow some
> flow.
>
> -----------------------------------------------------------------------
> Chip Old 1948 M.G. TC TC6710 NEMGTR #2271
> Cub Hill, Maryland 1962 Triumph TR4 CT3154LO
> fold@bcpl.net
My Waxstat had a tiny plastic valve in it, to permit a small flow.
See previuos comment by me.
Neil
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