[Healeys] Coolant change
Oudesluys
coudesluijs at chello.nl
Fri Nov 6 01:11:59 MST 2015
The heat transfer of Evans is less than water so theoretically one would
need a bigger radiator to run at the same temperature. Running at a
higher temperature is no problem at all though, I have run most of my
cars on a thermostat with a higher opening temperature. It runs more
efficient that way. The advice to run an engine without thermostat is of
course idiotic.
I run my JH on 86°C instead of the standard 74°C (hot states) or 82°C.
This gives a better cooling because of the higher delta T. Standard
blue/green coolant. The electric fan comes in around around 98°C and
switches of at around 92°C. No fixed fan. Even with the higher engine
output because of DellOrto's DHLA 45 there are no issues.
A warning! Do not use the red/purple coolant as it can ruin
gaskets/seals in older cars leaving you with coolant in the oil or oil
in the coolant.
Kees Oudesluijs
Op 6-11-2015 om 2:12 schreef Bruce Steele:
>
> I ran Evans for a year, and was not particularly happy with it. Yes,
> it has a higher boiling point, but my engine ran hotter and took
> longer to get to operating temp as the engineer I spoke with at Evans
> advised to run without the thermostat. I went back to 25% glycol /
> 25% distilled water with Water Wetter.
>
> Bruce Steele
>
> Brea, CA
>
> 1960 BN7
>
> *From:*Healeys [mailto:healeys-bounces at autox.team.net] *On Behalf Of
> *David Porter
> *Sent:* Thursday, November 05, 2015 9:37 AM
> *To:* Oudesluys <coudesluijs at chello.nl>; healeys at autox.team.net
> *Subject:* Re: [Healeys] Coolant change
>
> ..and the Evans brand is just as slimy..
>
> On 11/5/2015 9:47 AM, Oudesluys wrote:
>
> The anti corrosion properties do deteriorate. I would change the
> coolant (blue or green, NOT red) every two years.
> The waterless coolant does not cool as well, however it does not
> boil either up to 180°C. It is also bloody expensive as you do not
> only need the coolant but the prep fluid as well. If you cooling
> system is OK steer clear from it.
> Kees Oudesluijs
>
>
> Op 5-11-2015 om 14:53 schreef Daniel White:
>
> I've searched the archives looking for any discussion
> regarding how often to change the coolant in the BN7. If the
> answer is there...I missed it. I'm running a 50/50 mix of
> antifreeze and tap water and it tests o.k. as far as freeze
> protection. This mix has been in the system for a number of
> years. Does coolant "go bad" with age? Any thoughts about
> the waterless coolant being sold on the market?
>
> Thanks,
>
> Dan White
>
> 1962 BN7 Mk II
>
>
>
>
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> --
> Dave Porter Porter Custom Bicycles 2909 Arno St. NE Albuquerque, NM
> 87107 505-352-1378 Go HERE: my world www.porterbikes.com/
> <http://www.porterbikes.com/>
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