Re: Oil Pressure

[Thomas Washburn <thomasw@domain.elided>]

Jerry in Houston <GLewis4457@domain.elided> wrote:

> > This is obviously from overfilling the sump, Bruce. With only
> > 7 quarts of oil, you would have just ENOUGH oil pressure.  With
> > 8 quarts, the extra pressure must go somewhere, so it stays in
> > the gauge until the next time you start the engine.  At that 
> > time, it bleeds off into the sump, setting you up to repeat the
> > cycle. ;*)  If you only put in 6 quarts, the gauge would read 
> > zero until a little AFTER you started up the engine, to compen-
> > sate for the deficit.  READ THE BOOK!  Have you thought of 
> > powering your windshield wipers with the free hydraulic 
> > pressure?
>
> This is baloney.  Oil pressure comes solely from the oil pump 
> and not from the quantity in the crankcase.  For all intents 
> and purposes the crankcase is barely, if at all, pressurized.  
> The Alfa crankcase is wide open to the atmosphere both through
> the chain gallery and the oil returns at the back of the cam
> gallery.  Pure amatureville here.

Jerry:

He's joking.

- - Tom
thomasw@domain.elided

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