582 high engine temp
in 2 Stroke Technical Questions
13 years ago
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by agustin Pucheu » 13 years ago
Today I will do a test with the expansion tank, but one thing how much water and coolant, has carry my radiator configation
On initial time I put 2,5 litres of the mix 50% of water and coolant.
the system may be improperly purged?
thank
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by Michael Regan » 13 years ago
augstin, thats the same amount I have in my twin rad system. Doesn't sound like much, b ut apparently it is correct amount, so it should be purged correctly. The 50/50 mix is correct also, but to help get the temp down I now am using 75% water 25% coolant.
Looking forward to hearing how it all goes for you.
Mike
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by agustin Pucheu » 13 years ago
Michael. I build all again in the same thing that it was when I bought.
But I realized a little modification. I put a little oring in the radiator cap. So I refill the system with only water, and I put the termostate.
I Start the engine for 10 min, to a 4000 rpm, and the tmep measured was betwen 90° and 95 °. all the time and do not trown the water. So the next step is to compared the instrument. and Test Fliymng.
Bestr regars
Agustin
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by Michael Regan » 13 years ago
agustin, if it is still showing 90C it is still too hot. I am not sure what you have done to the rad cap, but it is possible the O ring is causing pressure build up inside the rad and thus the higher temps still... and NO COOLANT ESCAPING. I would not fly it like that. In all my over heating problems I still have not exceeded 85-90C. The rad cap is designed to "throw water" when the required pressure is exceeded, and by the sounds of things, that O ring is allowing that pressure to be exceeded providing grounds for a disaster. Be careful.
Mike
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by bill martin » 13 years ago
Agustin,
Mike is right. Adding extra O rings in the radiator cap can raise the pressure in the cooling system to the point that you could rupture a coolant hose or blow a head gasket.
Bill.
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