core plugs / freeze plugs

[Nick Challacombe]

Hi Greg,

Had this happen to me, corrosion after 45 years seems to be the problem.
You have the correct pressure cap. Mine happened when I floored the beast
on the A11 out of Snetterton circuit. Very embarrassing cart home on the
back
of an AA truck.
ACCS sent me a set which are blue in colour and about 4cms across
or in old money an 1" and 5/8th also included was 1 at 1" and 7/8th stamped
with
that measurement and 1020.
I still have them sitting on my desk as I only replaced the one which came
out as
it was in the front of the engine on the nearside and easy to get at.

With only one leg, and the amount of swearing that this one took to get in,
I decided that
I had spent enough time on my back on the crawl board and if it happened
again, it would
go to a garage.

All has been well now for 3 years. Fingers crossed.