[Healeys] Aluminum Radiator

Oudesluys coudesluijs at chello.nl
Wed Oct 15 08:51:53 MDT 2014


Red/purple coolant should never be used in older engines. I am not sure 
where the line is but I expect around 2000. This type of coolant may 
damage older type gaskets, seals, silicon sealant and silicon 
radiator/coolant hoses. On classic cars always use the blue/green stuff.
When replacing the coolant rinse thoroughly first as not to mix the two 
types.
Kees Oudesluijs


'bluehealey' schreef op 15-10-2014 16:03:
> I discovered the hard way that Red coolant dissolves solder. Who knew!!
> What are you using Simon?
>
> AlanB - iPhone message.
>
>> On 15 Oct 2014, at 14:02, "Simon Lachlan" <simon.lachlan at homecall.co.uk>
> wrote:
>> 1) I had my original rad recored and it was more efficient. (Only did it
>> because the old one was knackered).
>> 2) A sleeved thermostat, per the originals, does help. I was able to get
>> some, correct temp, from a Morgan man on eBay.
>> 3) I now have a new rad from Ahead4Healeys, here in UK. It's copper but
> they
>> claim it to be higher performance than the originals ie it's presumably got
>> more core(s). (Installed as part of the repairs after that clown backed
> into
>> me).
>> 4) The previous rad had been seeping where it had a blanking plug per rads
>> which had temp sensor in rad. I took out the plug, cleaned the thread,
> wound
>> on some ptfe tape and refitted it. (All in the hope that the rad could be
>> reused and more because I was in a hurry to get car back on road for trip
> to
>> Ireland). Anyhow, my efforts or the (maybe a bit) stronger coolant or the
>> accident had disturbed the solder/braze and the plug leaked big time.
>>
>> I throw these into the knowledge pool...ie watch those plugs and look out
>> for sleeved thermostats.
>> Talking of plugs and pun intended....a quick plug for Ahead4Healeys. They
>> are most helpful, carry decent stock and will expedite when emergency
>> didtates.
>> Simon
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