Ciaran
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| posted on 23/5/17 at 07:09 PM |
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R1 powered cooling questions
Recently bought a full built R1 equipped car
When driving the coolent temp varies between 70 and 95 degrees dependant on load.
Basically the system doesn't have a thermostat fitted so looking to fit one.
What is the ideal operating temperature?
Is the thermostat fitted inline?
Is it fitted on the supply to the radiator or return?
Anything else I need to consider?
Ciaran
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CosKev3
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| posted on 23/5/17 at 07:48 PM |
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Which R1 engine?
Thermostats go in the outlet from the engine to the top of rad 99% of times.
If it's a early R1 the thermostat is fitted where the two pipes exit the head between the plug holes 
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CosKev3
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| posted on 23/5/17 at 07:50 PM |
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Description
That is a early R1 thermostat unit,although I've modified it to take AN pipework and added the temp senders
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Ciaran
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| posted on 23/5/17 at 08:12 PM |
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Engine code is 4xvoo
And yes it looks like the one you put above
How do I host pictures on here as photobucket doesn't seem to work
[Edited on 23/5/17 by Ciaran]
[Edited on 23/5/17 by Ciaran]
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CosKev3
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| posted on 23/5/17 at 08:46 PM |
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So there is no thermostat in that housing?
Ref pics,upload them into your archive on here,then copy and paste the forum code
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Ciaran
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| posted on 23/5/17 at 09:15 PM |
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Judging by the temperature fluctuations I would say there isn't one or it's not working.
If I split the thermostat housing is there any seals I might need?
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CosKev3
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| posted on 23/5/17 at 10:30 PM |
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The thermostat sits in a rubber seal,which then gets sandwiched between the housings to seal it.
Pretty sure a stat and seal are knocking on £50 
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CosKev3
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| posted on 24/5/17 at 06:42 AM |
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https://www.fowlersparts.co.uk/parts/view/4FM-12410-00
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Ciaran
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| posted on 24/5/17 at 06:45 AM |
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Do my best not too damage it then
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