If this deal with the hot spots is true, why don't other vehicles have a
problem?
Jack I. Brooks wrote:
>
> >Now you've got me worried. Some authorities (such as Bob Schaller in "More
> >BS About TR's") say to close off the bypass hose completely, and that's
> >what I recently did. Is there a problem with that? Can it cause damage to
> >the engine? What's the collective wisdom of the listers?
>
> Sumner,
>
> I'd recommend a 1/4 inch hole in the restrictor, as you want some water
> circulating through the engine when the thermostat is closed to prevent, or
> minimize, localized overheating and boiling at the hot spots within the
> engine, especially within the head.
>
> I've considered putting a few small holes in the thermostat itself and
> blocking the bypass, but whether this will work is purely conjecture on my
> part. I haven't really thought it out well yet, but I think it may be the
> best solution. It has the best of both worlds:
>
> Thermostat open - no bypass flow at all, everything goes to the radiator,
> Thermostat closed - minimal water flowing through the thermostat holes.
>
> True, in really cold weather, the engine may have trouble heating up, but
> how often do we take these cars out in really cold weather. I run mine
> into the 40F's pretty regularly in the fall, but not much lower than that.
> Although... New Years Day was my last ride last year and it was the low
> 20F's. ;-)
>
> Later,
>
> Jack Brooks
--
George Richardson
'57 TR3, TS15559L - finally painting!
http://www.merlingroupinc.com/tr3.htm
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