> Cylinders #1-#5 were all between 130-135 psi, but #6 was only 70!
> A squirt of oil into #6 hole and a recheck gave only 80 psi....
>#6 plug gets completely covered over with carbon after about 500 miles and
>won't fire. Any suggestions would be appreciated. Thanks.
>Gary Morrow, 72 TR6
Is the carbon dry or oily? Dry carbon is usually from a rich mixture,
oily carbon is, yes, oil leaking into the combustion chamber. Could
be rings, or (guessing) loose valves and worn valve seals.
Dave Williamson (silikal@aol.com)
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