mx5cartalk.com

So if it's so good, how come we don't all use it?
http://www.evanscoolants.com.au/

I'm 90% to trying it. The cost is stupid but what appeals is the zero pressure aspect. I'd rather get a small weep than a burst hose.

Cons are.
Cost
30% worse cooling than water
Flammable if it gets superheated.

davekmoore wrote:So if it's so good, how come we don't all use it?

Because so many of us still have water based coolants in our engines which are working quite well. But in time the numbers will increase. A mate of mine is a dealer and he is hooked on it, especially the low pressure aspect. But when I spoke to him most recently he hadn't converted all (roughly 10) of his cars to it. Ultimately the benefits have to outweigh the cost of the product + the cost of effort to change the fluid. This will be made easier if the fluid is due to be changed, or will be drained for some other reason.

The way I see it. Water + coolant option works fine, and it a hell of a lot cheaper.

project.r.racing wrote:The way I see it. Water + coolant option works fine, and it a hell of a lot cheaper.

^^ this.

So if it's so good, how come those of us who have had overheating issues don't all use it?

davekmoore wrote:So if it's so good, how come those of us who have had overheating issues don't all use it?

Cos the overheating wasn't caused by the much cheaper water + coolant. The overheating was mechanical, not chemical. The same overheating will apply when using said product.

It's potentially great stuff. But the cost makes it uneconomical.

For an MX5, you could almost buy a reroute kit for the same price as a single fill of this stuff.

The actual cost (per 5 litre)?
Plus you're gonna have to get all the old coolant forced out of the engine.

A guy I run sprints with uses it in his Cossie-powered Escort. I think he indicated that the flush plus the coolant would run me around $200, but that it has a very long lifespan and can be reused.

I have not independently priced it though so this may be off the mark.

zossy1 wrote:A guy I run sprints with uses it in his Cossie-powered Escort. I think he indicated that the flush plus the coolant would run me around $200, but that it has a very long lifespan and can be reused.

I have not independently priced it though so this may be off the mark.

$200 is pretty close to the mark. Not cheap!

davekmoore wrote:So if it's so good, how come those of us who have had overheating issues don't all use it?

Because overheating is an issue regardless of the boiling point of the liquid used to transfer heat, and if an engine is having overheating issues it is usually because of an issue unrelated to coolant. (radiator not efficient, blockages, thermostat, etc, etc)

water boils at 100deg, this stuff boils at 190 per the site.
Past 100deg you're already likely to have done damage, so why does it really matter if the coolant can reach 190 degrees?
Would be king of like having fingerless oven mitts. The mitt can happily handle the oven heat, but it's not really any use if your fingers are burnt.


As far as the ability of the liquid to absorb heat, frankly I think that a cooling system should be always designed with enough headroom to be able to keep the engine cool even if it's using cheap arsed coolant with the mixture wrong.

Much cheaper, proven and less "snake oil" sales pitch.

http://www.penriteoil.com.au/products.p ... roducts=98

That stuff is basically the same as Redline Water Wetter and Nulon Ultra Cool - both of which have been around for years.