Just to add a bit of empirical data to this theoretical discussion,
when I reinstalled my rebuilt engine 12 years
ago, I did not bleed the line. The guage has always reasonable readings.
Peter Schauss
1963 BJ7
1980 MGB
On Fri, Oct 1, 2010 at 2:27 PM, Bob Spidell <bspidell@comcast.net> wrote:
> Hmmmmmmmmmmmmmmmmmmm ...
>
> I guess this means the Bourdon tube that drives the indicator on the gauge
> needs to be pre-filled with oil as well--I doubt 'bleeding the line'
removes
> the gas (air) that's in the Bourdon tube. You'd need a small syringe to
get
> the oil past the orifice in the back of the gauge.
>
> Just askin'.
>
>
> bs
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