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[Danny]

does anyone know, should the coolant be a slightly stronger mixture at this time of year?

[Marks DTM Calib]

It shouldn't.......it should be 50:50 all year round

[serek]

It shouldn't.......it should be 50:50 all year round

if I  go for holiday to Poland january is -25/30 `C
over there , still ok to mix 50/50?

[Danny]

alrighty cheers!

[Andy B]

does anyone know, should the coolant be a slightly stronger mixture at this time of year?

As Mark says 50:50 all year round. Years ago the commom perception was that you only needed "anti-freeze" in your car during the winter. Hence the problems that eg Stags used to have.

[Bandit127]

Don't be tempted to make the mix stronger.

The secific heat of antifreeze is lower than water so it cools less effectively.

And the freezing point of etyltne glycol goes [size=14]up[/size] after 60%


From http://www.gi.alaska.edu/ScienceForum/ASF6/680.html