On Wed, 7 Jun 2000, BobMGT@aol.com wrote to mg-t@autox.team.net:
> I just did a partial rebuild on my XPAG. I had the cylinder head done
> by a professional British car mechanic, new everything on the head
> plus hardened valve seats. I ran the engine in the garage yesterday
> for an hour between 1500 and 2000 rpm. All was well. Today I took it
> out for a very mild drive around the neighborhood. A couple blocks
> from home the number two exhaust valve stuck. It eventually popped
> back out and I made it home. Is this a big problem or just a normal
> thing with a recently rebuilt engine?
Did the rebuild include bronze valve guides? They have a higher expansion
rate than the standard cast iron guides, so require a thou or so more
clearance to keep the valve stems from siezing when the guides and the
valves heat up. It's usually more critical on exhaust guides than on
intakes.
--
Chip Old 1948 M.G. TC TC6710 XPAG7430 NEMGTR #2271
Cub Hill, Maryland 1962 Triumph TR4 CT3154LO CT3479E
fold@bcpl.net
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