Ivan
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| posted on 4/3/12 at 08:28 AM |
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Cooling system help needed
This may be adumb question but my Cobra has a normal radiator cap on the header tank with open ended overflow pipe. Now every time I switch off,
heatsink causes it to pump out some radiator fluid onto the garage floor or road which means that I have to refill the header tank every 3-5 trips
with about 2 litres of fluid.
Can I simply convert the system to a closed one by replacing the header tank cap with a closed system cap and putting in (and piping up) an expansion
bottle with radiator cap or is there more to it than that?
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britishtrident
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| posted on 4/3/12 at 09:05 AM |
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Could try the simpler system used on some Japanese cars including 1990s Hondas simply lead the overflow to expansion bottle open to atmospheric
pressure.
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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macc man
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| posted on 4/3/12 at 01:52 PM |
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If I am right the MX5 has an expansion bottle which allows coolant to vent when hot and suck back as it cools. Seems to work ok.Might be an easy mod
to make.
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britishtrident
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| posted on 4/3/12 at 04:56 PM |
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Yeah on most jap car the overflow catch bottle is mounted on a neat little bracket, an old idea invented during WW2 for the 8th Army
here are a couple of photos of SAS Jeeps (one real one wannabe) showing what they called a surge tank.
I would like to mess with these guys !
[img]
 
[/img]
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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