Bob,
The engine has recently been disassembled and cleaned. New rings and
bearings were installed but the cylinders were not bored. A flex hone was
used to prep the bore surfaces.
I agree with the statement that a clogged charcoal canister would prevent
air from being drawn through the engine. My point is that if there is
blowby then it will be drawn out of the engine through the carbs despite a
clogged canister (assuming the vacuum connection to the engine is good).
The ventilation path is now past the rings and into the carbs. I still must
maintain that a clogged charcoal canister itself can not cause the crankcase
to be over pressurized by blowby. Under-pressurized maybe, that could be
bad to, but not over pressurized by blowby.
Do you see my point? Do you concur?
Frank
'73 GT
> through it. The vacuum in the engine would be whatever the
> carbs could pull against the resistance of the cannister's
> filter. If it's clogged completely, then no air could pass
> through at all and there would be no ventilation through the
> engine. If partially clogged, there would be partial flow.
> You could have intermittent clogs at the connections. We
> don't know the maintenance history of the engine, so it is
> possible that there are
> bits of gooey crud in the hoses and other places.
> Bob
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