Bob -
About 4 years ago, The Nocks were selling these with a special brass ring
added to the thermostat, which blocked off the bypass port when cold. You
can see it here:
http://mgaguru.com/mgtech/cooling/cool_103d.htm
Of course, they don't sell these anymore and apparently the sleeve worked
opposite of how it is supposed to anyway... but heck it does help my car
keep much cooler, maybe because of the wide mouth opening.
Cheers,
Alan
'53 BN1 '64 BJ8
On 10/18/05, Bob Spidell <bspidell@comcast.net> wrote:
>
> Alan,
>
>
> If, by "balanced sleeve," you mean this:
>
>
>
http://www.stewartcomponents.net/Merchant2/merchant.mvc?Screen=CTGY&Category_
Code=Therm
>
> ... then this thermo doesn't block the bypass port at all. This is a
> standard Robertshaw
> thermostat with some holes drilled in it (I know, I have one). The sleeve
> moves, but its
> diameter is too small to block the bypass port. The modified thermo I'm
> using is one of these
> with an extra, outer sleeve soldered to the inner sleeve. The outer sleeve
> partially blocks the
> bypass port when the thermo opens, but it probably doesn't work as well as
> the
> original.
>
>
> bs
> ***************************************************************
> Bob Spidell San Jose, CA bspidell@comcast.net
> '67 Austin-Healey 3000 '56 Austin-Healey 100M
> ***************************************************************
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