In a message dated 8/2/2003 11:03:02 AM US Mountain Standard Time,
tr6_1969@hotmail.com writes:
> ....... a pinhole in the block. Now after evaluation, this pinhole is
> neither a result of any cracks nor the result of any stresses but rather a
> manufacturing air bubble in the casting process. The hole, on the surface
> of the black, is very small: approx. 0.6 mm. It is located on top of the
> boss for the alternator mounting. It is visible and very accessible.
>
I would file/grind the spot a little to roughen it up some. Then put a
pea sized dab of J B WELD on it. Try to mesh it down into the hole the best
that you can. Then smooth it out and let it dry. After it has dried, touch it
up with a little paint and nobody will ever know it was there. As long as
there is no heavy pressure on a hole that small, J B WELD will hold. If it
doesn't, heck, you can ALWAYS go back and grind it off and weld it. Why not
try
the cheap and simple way first? Oh, in case you don't know, J B WELD is an
automotve grade epoxy glue that can handle heat very well. I sealed a two inch
long crack in the engine block of my '55 Packard ages ago with it and it worked
at least until I sold it years later.
Ken, 76 TR6, AZ
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