Quote:
Originally Posted by anthonygubbin
Boiled it the other day. I was towing a trailer in 35deg heat, air con on, up a hill. I switch from LPG to petrol and floored it. It has never boiled before so I was surprised to see it boil. I lost about 2L of coolant. I was thinking I may have had the glycol content too high so have replaced the lost coolant with straight water. Why I say this is because I use the highest glycol percent corosion inhibter I can get.
Regards A
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Be careful of eth-gly quantities.
Theres a lot of hoohaa about how wonderful its boilover protection is ... but as the
Boiling Point table in the link below shows ... 50/50 is only a few degrees extra benefit compared to plain water.
Then when you compare that table - with the
Specific Heat table ... which shows that eth-gly is not as good as water - for losing heat in the radiator ....
The boiling point gains are a moot point.
http://www.engineeringtoolbox.com/et...col-d_146.html
Max
50/50 mix if you want to pretend you live in the northern hemisphere ...
30/70 is ample and Aust. coolant brands even supply
30/70 pre-mixed ...
.... and I use
10/90 off the shelf pre-mix.