RE: Odd Plug read (TR4)

> Why the difference between #1 and #2 and #3 and #4?  I could
> understand if it was 1 and 2 that were sooty and 3 and 4 were
> lean.  But the carbs should equally affect the plugs in the
> cylinders they feed, shouldn't they?

Have you checked your valve lash ?  I get similar sorts of weirdness when
they are wrong ... also when the exhaust valve seats are recessed.

Randall

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