Classic cars forum & vehicle restoration.
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badhuis
Joined: 20 Aug 2008 Posts: 1390 Location: Netherlands
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Posted: Sat Aug 15, 2020 10:19 am Post subject: |
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lowdrag wrote: | So, are wax stats still available? |
Not sure what you exactly mean. Most, modern and bellow types, are wax filled thermostats.
But I think you mean the bellows type of thermostat. There is the opening of a valve like the normal type of thermostat, but there is also the physical movement of the bellow. On the TR4 this bellow close or open the secondary pipe, something that is lost when fitting a normal type of thermostat. _________________ a car stops being fun when it becomes an investment |
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Rollmop
Joined: 23 Dec 2016 Posts: 14 Location: Market Drayton, Shropshire
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Posted: Fri Aug 21, 2020 11:18 am Post subject: |
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Just a concluding follow up with information that could be useful to others. I tried increasing the advance on the timing from 2degrees before TDC as per the manual to 4 degrees and the engine temp ran 2 degrees cooler but pinked under load. Reduced it to 3 1/2 degrees before TDC and the pinking disappeared but the engine still ran cooler. A more significant change came with clamping off the bypass hose, the temperature dropped 6 degrees at the radiator head. To simulate the same but allowing the bypass to work when it is meant to, I have fitted a 12v solenoid valve into the bypass hose routed via a fuse to a switch under the dashboard. Once the engine has warmed up and is running correctly I can shut down the bypass flow.
Thanks for all the great suggestions from the very helpful members of this forum. _________________ Failure is not an option - in my case it is usually a feature.
1971 Herald convertible
1952 Triumph Mayflower |
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peter scott
Joined: 18 Dec 2007 Posts: 7113 Location: Edinburgh
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Posted: Fri Aug 21, 2020 4:49 pm Post subject: |
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I like your idea of the valve in the bypass. I had wondered about rerouting the heater connections if the heater includes a water valve.
Peter _________________ http://www.nostalgiatech.co.uk
1939 SS Jaguar 2 1/2 litre saloon |
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Ray White
Joined: 02 Dec 2014 Posts: 6286 Location: Derby
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Posted: Fri Aug 21, 2020 5:10 pm Post subject: |
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I would love to see a photo of that installation as I was put off installing a heater using the bypass hose for the reasons you state. Some people have fitted a manual valve but your solution seems much more practical.
Please tell us more! |
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