[Healeys] radiator leak

[P.M. Pollock]

My BJ7 had a radiator leak I could never manage to get a solder to keep 
shut.  At various times over the years I tried stop leak products.  Most 
seemed to put in some sort of particulate material that would swell 
somewhat in water.  Some worked -more or less- for a time.

Over the years my faithful beast ran hotter and hotter.  When I finally 
tore down the engine in year 25 I found the dead spaces in the water 
jacket - around the base of each cylinder and up as much as half way- to 
be filled with a deposit roughly the texture of soggy newsprint.  Fine 
insulation preventing cooling.

So I do not recommend commercial stop leaks.  However, I must admit that 
the pepper idea sounds intriguing in that I suspect it would stay in 
suspension and not deposit.

Cheers,

Pete Pollock
Palo Alto, CA, USA

Len and/or Marge Hartnett wrote:
> I have alway been leery about putting a stop-leak in the radiator.  If 
> it will plug up a hole in the radiator, I have felt that it could plug 
> up other holes in the cooling system such as the water passages in the 
> block and head, the heater valve(s), and radiator drain valve.  I 
> would only do it as an emergency measure, repair the problem, and 
> flush the cooling system ASAP.
>
> (The Other) Len
> Vacaville, CA, USA
> 1967 AH 3000 MkIII, HBJ8L39031 
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