[Healeys] Radiator cap thermostat combinations

[Alan Seigrist]

All -

Has anybody ever just used a racing blanking sleeve and then just use a
modern thermostat?  It seems the only purpose of the bypass gallery is to
heat the coolant up a little faster before the thermostat opens....
otherwise it just reduces your cooling capability in hot weather.

Why not just use the sleeve + a reverse poppet thermostat?

http://www.mossmotors.com/Shop/ViewProducts.aspx?PlateIndexID=69820&SortOrder=10

Collective Thoughts?

Alan

On Tue, Feb 5, 2013 at 2:19 PM, john spaur <jmsdarch at sbcglobal.net> wrote:

> Not off topic at all! Hence the question.
> The Moss OEM reproduction fails closed unlike modern stats.
> My radiator neck is 1", not 3/4". Caps are easily obtainable in either
> length.
> Best,
> John
>
>
> At 04:46 PM 2/5/2013 +1100, you wrote:
>
>> Slightly off topic answer, but here are two or 3 observations....
>> 1. The biggest issue with thermostats of any type is what do they do when
>> they fail? I.e. when they stop working?
>> So they fail in an open position, or fail in a closed position?
>> I use a thermostat that fails open. Because its far better than failing
>> closed. I think mine is out of some modern jap car. If I can find the
>> details I'll post them.
>> 2. With radiator caps, there are 2 lengths. If you fit a short one
>> instead of a long one, you'll basically have a no or low pressure cap
>> irrespective of what it's "rated" at..... Chris
>>
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