Evans waterless coolant..

PostPost by: loueelotus » Thu Mar 31, 2022 9:45 pm

Hi, I got a simple question. Is **Evans waterless coolant** ok to use on my Elan S2.. My car runs great just in super hot, humid days temp goes up a bit..no overheating but close it heavy traffic. Does this stuff lower the temperature?

Thanks,
Lou
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PostPost by: StressCraxx » Thu Mar 31, 2022 10:02 pm

Evans does not have the same thermal conductivity as high as water, so your engine will run 10-15 degrees hotter than normal.
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PostPost by: mbell » Thu Mar 31, 2022 11:58 pm

There's quite a few threads on here about it. Suggest searching and reading as will get the same responses here anyway.

If you want a quick way to scare your self off the idea lol at viewtopic.php?f=39&t=45603
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PostPost by: gherlt » Fri Apr 01, 2022 4:14 am

Lou,
your bet on Evans is a bet on a promise of an easy solution. Even if it works for you, your cooling system still has the heat problem, it does not go away with Evans. It still will get hot, but not boil.
Evans is not "curing", it is "symptom curing", like pain killers or cortisone.

If your engine is getting hot only in slow traffic (which is pretty normal), supposing that all the rest is working fine (thermostat, water pump) you just need to upgrade the heat transfer capacity of your radiator.
Take the radiator out and have it recored with more rows/tubs (or buy a better one) or put a small fan (no need for a big one) on the radiator (switched on with either thermostat or manually).
I am not sure what Evans costs these days, but recoring or a installing a fan are quite good value for money.

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PostPost by: 2cams70 » Fri Apr 01, 2022 5:45 am

If you are running the correct coolant NOT EVANS, the correct pressure rating radiator cap and your coolant is at the correct level not boiling, leaking or escaping excessively from the overflow pipe you can stop worrying.

Only pay attention to the temperature gauge if you notice an unusual change. Just relax otherwise. Modern cars seldom have coolant temperature gauges for good reason.
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PostPost by: h20hamelan » Fri Apr 01, 2022 7:15 am

If you are not in the habit of descaling your cooling system every 2-3 coolant changes, might be good practice. Your in Canuckleland, and GM sells a superior flush, expensive, but good.
I am in the habit of adding a cooling system lubricant, not sure if or how much it helps. I figure with the twin cam pump, it cant hurt.
Can you add a fan, or shut your car off at lights more than 7 seconds?
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PostPost by: elans3 » Fri Apr 01, 2022 10:32 am

My S3 (wide) radiator was rebuilt a couple of years ago with a more modern, wider core. I use de-ionised water with a good anti-freeze and change it every 2 years. It never gets anywhere near too hot, even in the hottest days here in the UK. That's just with the standard metal fan.
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PostPost by: 2cams70 » Fri Apr 01, 2022 11:31 am

It’s actually the radiator cap and not the radiator that limits the maximum design coolant temperature.
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PostPost by: Donels » Fri Apr 01, 2022 12:22 pm

A slight deviation. Any experience or recommendations for cooling system flushing?
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PostPost by: RichardHawkins » Fri Apr 01, 2022 3:45 pm

Donnels,

When I started my engine overhaul, I thought I would descale the engine. I bought some proprietary descaler, a washing machine pump a cheap plastic kettle and rigged up a heated re circulation system for the engine. This did not do much to remove scale. Having dismantled the engine I took one of the core plug screws from the head, and looked inside as best i could. The head seemed clean. The block was very different. I removed all the core plugs, behind them was a solid wall of rust coloured scale. I dug out as much muck as I could access from the core plugs, the holes where the block water jacket passes to the head and where the pump fits into the block. I borrowed a pressure washer and used that through all the openings in the block which seemed to move more muck than my other methods, I thought the block looked pretty clean after that. With hindsight I think the descaler took the easy route though the engine not touching most of the scale.

If your engine is basically clean with a flow through all areas then I would expect descaler to work, but if you have blockages I don’t think descaler will help.

I had my radiator recored by Cool Experts Nottingham.

Hope this helps,

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