Oil Press Gauge

Unknown

In a message dated 4/8/02 1:26:15 PM, geoffclark@xtra.co.nz writes:



<< In fact, they cannot fill with oil unless there is a leak

at the connection at the gauge end, or the engine has been run with this

pipe disconnected. Think about it - how can the pipe fill with oil

when there is no return circuit? The gauge measures the pressure in

the pipe. >>



Indeed, I have fitted modern Stewart Warner oil pressure gauges to

(reasonably) modern cars and have often watched the oil bubble up toward the

gauge in a very haphazard manner in the translucent plastic tube while the

motor is running. It never fills the tube completely and drains back as soon

as the motor stops producing pressure. it's a good thing they do measure air

as easly as oil.







Paul O'Neil, Hudson29@aol.com

Fullerton, California USA



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