Is there a way to calibrate a dual "Smith's" gauge?
Mine reads 10 lbs (hot) at 800 rpm idle and 45 lbs while running.
Dave
60 Bugeye
At 05:33 PM 6/21/2002 -0700,
>My Bugeye reads "5 PSI" at hot idle and "43 PSI" at hot speed. This
>worried me,
>so I connected a CALIBRATED oil pressure test gauge in line with the gauge
>line.
>The 5 PSI reading was actually 20 PSI and the 43 PSI hot reading was
>actually a
>little over 60 PSI! This "off" gauge reads over 20 psi cold at idle and
>80 psi
>at speed. If I interpolate this, my cold pressures are somewhere around 35-40
>PSI at idle and 95 PSI at speed until warmed up. Calibrate the gauge next
>time
>and you might be surprised, even if it is reading "normal"!
>Mike MacLean-60 Sprite
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