[Healeys] Coolant change

[Herbert Miller]

I hate antifreeze because it is so slimy. With a fresh rebuild, on the first
start up,  I always use plane water with an additive I get at my parts
store. The additive is a water pump lub and corrosion inhibitor. When I am
satisfied that the cooling system is secure I drain the system, saving the
coolant for the next engine, and fill with the proper amount of antifreeze.
Seems to me that half a bottle of this additive would renew the existing
antifreeze.
Herb Miller   

-----Original Message-----
From: Healeys [mailto:healeys-bounces at autox.team.net] On Behalf Of Richard
Collins
Sent: Thursday, November 5, 2015 10:05 AM
To: David Porter
Cc: Healeys at autox.team.net
Subject: Re: [Healeys] Coolant change

I don't disagree re boat engines which have more highly complex cooling
systems as both the fresh and salt water systems require attendance far more
frequently than cars. The freshwater side is less problematic than the
saltwater side but there is no "best by" date to refresh or clean the myriad
of pipes, tubes, pumps, filters  or liquids found on boats/yachts/ships
cooling systems. The age of the fresh water cooling liquid is basically a
non issue, just like with cars.
Having said that I did 2 yacht deliveries recently, one a twin engine Cat
powered sport fisherman and the other a 55 foot sailboat powered by a single
Perkins (both diesel). Both had cooling issues, not coolant related. As with
our cars (and my Healey) it's the hardware causing the problem, not the
liquid.
No argument with you, just my experience...


Regards,
Richard C


> On Nov 5, 2015, at 09:41, David Porter <frogeye at porterscustom.com> wrote:
> 
> Richard,
>  not to sound argumentative, but the seawater systems/heat exchangers 
> or what ever name are vastly different systems, but the engines are 
> still subject to the same conditions as our cars and preventative 
> maintenance should be a higher priority in off shore capable boats. 
> Those boats using fresh water systems are highly prone to coolant 
> system issues too. Mostly due to different temps across the heads, but 
> also lack of pump lubrication... IMHO dp
> 
>> On 11/5/2015 8:05 AM, Richard Collins wrote:
>> I am running the same
>> 50/50 mix in my BN7 but am using distilled water in lieu of tap water. It
hasn't been drained in a number of years except to fix a leak in the
original still used radiator several years ago.
>> FYI my water cooled Porsches have coolant more than 5 years old and no
issue. I have captained large motor yachts and the multi gallonage coolant
in their engines are seldom drained.
>> So age is not the issue IMO
>> 
>> 
>> Regards,
>> Richard Of Ky
>> BN7 #440
>> 
> 
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