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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