Hi All,

Going to flush the cooling system in the Mini, never done it before, but doesn't really sound too hard so I figured i'd give it a go.

What coolant do people on here use?

Should i get a premixed one? or mix my own? any advantages / disadvantages?

Thanks

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1975 Hairy Lime/White Clubby
Build Thread: http://www.ausmini.com/forums/viewtopic.php?f=3&t=80657

If you buy premix you are buying coloured water, often with unknown concentration of glycol in it.
I buy Nulon ethylene glycol and mix my own, 20-25% concentration in water is plenty for Australia.
If you want even better, use distilled or de-ionised water instead of from the tap.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

ive always bought that 500ml bottle of XTRA COOL, brand is Tectoloy.

its a concentrate, mix half the bottle into the radiator, save half the bottle for top ups.

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Aussie Leyland, Aussie Factory, Aussie Mini S.

Toyota make and sell a very good one. It is red in colour. Beats any other brand especially "attackalloy"

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DID I MENTION THAT I AM THE BEST SUPPLIER FOR MINI ELECTRICAL PARTS AND REPAIRS?
"Let us remove your "SHORTS"

I use the nulon one. Its cheap, and It does the job.

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Ryan Filippi
Minis In The Gong
[email protected]
www.minisinthegong.com.au

+1 for that, Great coolant and the trendy red color makes a change from green

Distilled water and "wetta water".
Engine is as clean as a whistle.

I don't use glycol....it's an antifreeze

Minimad

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You can take the boy out of the racer.........but not the racer out of the boy!

Glycol is also an antiboil. It raises the boiling temperature of water significantly. http://en.wikipedia.org/wiki/Ethylene_glycol

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Lillee - 1969 Morris Mini K

I use Redline- Water Wetter.Excellent product- It's not cheap though.$30.00 for a 600m bottle.Do a search and read about it.
I also only use distilled water with this product.

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Castrol.

So I never forget which brand it is I use and risk mixing coolant types.

Not so much of a problem these days I am told, but for a while cheap and expensive coolants would react and turn to gel. Then when enough passages were clogged in the radiator and the car boiled dry, the gel would turn to scale, which was an excellent heat insulate.

The ARE radiators website used to have excellent pages on this coolant mixing problem, and also other pages on stray currents and alumuminium radiators...but some of the links are broken..others are still a good read..

http://www.are.com.au/feat/techtalk/techtalk.htm

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SooperDooperMiniCooperExpertEngineering

All garage work involves equal measures of enthusiasm, ingenuity and a fair degree of irresponsibility.

thanks for all the input
I think i'll get either the nulon or the toyota product you've suggested and some distilled water

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1975 Hairy Lime/White Clubby
Build Thread: http://www.ausmini.com/forums/viewtopic.php?f=3&t=80657

I have... Read the water wetter site properly... it is not glycol based...it just compares it to the properties of glycol.....'Satisfies ASTM D2570 and ASTM D1384 corrosion tests for glycol-based antifreezes' and your very nice quote above

Your right, Glycol is glycol and it needs to raise the the boiling point of water because as a coolant it isn't as good as plain old water

If you want to see a mini motor overheat.. just run it on straight gycol

Minimad

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You can take the boy out of the racer.........but not the racer out of the boy!

+ 1 more. I use it in my Toyota. When i have my mini back on the road i'll be using it in that too. Make sure you flush the system with clean water when changing from green to red. I don't think they like each other and shouldn't be mixed.

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- Simon -

So who makes the Toyota stuff? Because Toyota actually makes very little stuff themselves and uses outside suppliers for nearly everything.

I use Caltex coolant. I know who makes it.

Redline Water Wetter here, with Distilled water. Also heard good things about the Toyota coolant as well.

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Starlet Conversion:
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