In a message dated 6/24/2002 1:18:36 PM Eastern Daylight Time,
jprice1@txcyber.com writes:
> I recently did a compression check on my TR-6 engine and measured 75psi on
> each of the six cylinders. Seems like it should be more than that. At least
> all six are the same. With a 9.5:1 head, what should the compression be? If
> it's in the shop manual, I can't find it.
John, I don't know the number offhand, but I'd guess around 120-130? At any
rate, the first thing you might wish to do is obtain another gauge to check
compression. Such consistently low numbers leave me suspicious of the gauge
that gave the reading. Certainly cheaper than a tear-down! :-)
--Andy Mace
*Mrs Irrelevant: Oh, is it a jet?
*Man: Well, no ... It's not so much of a jet, it's more your, er,
Triumph Herald engine with wings.
-- Cut-price Airlines Sketch, Monty Python's Flying Circus (22)
<A HREF="http://members.aol.com/herald1200/database/";>Check out the North
American Triumph Sports 6 (Vitesse) and Herald Database</A>!
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