Thermostat bypass

Technical advice Q&A

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Vegard
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#1 Thermostat bypass

Post by Vegard » Thu Dec 15, 2016 1:00 pm

On the Stromberg cars, there's a small hose that connects the radiator to the inlet. Is this a bypass of the thermostat?

When changing to 3XSUs, this doesn't have a place for the small hose.

On my Minis, when this happens we've just drilled a shall hole in the thermostat to let some water seep through at startup.

That's one solution, the other is to plumb this into the small triangular plate.

Any experience? Any advise?

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68 1.5 FHC, 65 4.2 FHC, 72 MGB GT, 6 Minis, 71 Escort1300GT, 65 BMW Neue Klasse, 62 Volvo P1800 and a 205 GTI

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Nigel GT
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#2 Re: Thermostat bypass

Post by Nigel GT » Thu Dec 15, 2016 2:12 pm

If you bought the SU kit from Burlen Ltd, there is a brass plug which is fitted in the small rubber hose when you cut the hose close to the radiator along with a small jubilee clip to clamp it.

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Vegard
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#3 Re: Thermostat bypass

Post by Vegard » Thu Dec 15, 2016 5:31 pm

Nigel GT wrote:If you bought the SU kit from Burlen Ltd, there is a brass plug which is fitted in the small rubber hose when you cut the hose close to the radiator along with a small jubilee clip to clamp it.
I bought the SUs second hand. Have you got a picture of said set up?
68 1.5 FHC, 65 4.2 FHC, 72 MGB GT, 6 Minis, 71 Escort1300GT, 65 BMW Neue Klasse, 62 Volvo P1800 and a 205 GTI

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PeterCrespin
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#4 Re: Thermostat bypass

Post by PeterCrespin » Thu Dec 15, 2016 5:36 pm

The small hose is an air bleed. Just cut the hose off near the radiator and plug it with a suitable piece of rod, held with the hose clamp previously fitted to the S2 manifold.
1E75339 UberLynx D-Type; 1R27190 70 FHC; 1E78478; 2001 Vanden Plas

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Vegard
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#5 Re: Thermostat bypass

Post by Vegard » Thu Dec 15, 2016 10:31 pm

OK, great, makes it as easy as it could. Thanks.
68 1.5 FHC, 65 4.2 FHC, 72 MGB GT, 6 Minis, 71 Escort1300GT, 65 BMW Neue Klasse, 62 Volvo P1800 and a 205 GTI

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