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Old 11-21-2015, 12:52 PM   #45
cappy208
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City: Cape Cod
Country: USA
Vessel Name: Slip Aweigh
Vessel Model: Prairie 29
Join Date: Oct 2013
Posts: 1,185
@Doug. I don't think it is the absolute accuracy that is important here but the ability to 'see' the before and after differences in vacuum (however it is measured). As noted, all our boats idiosyncrasies have to be figured out individually. But being able to have a warning about fuel filter condition is very helpful to avoid embarrassing situations.
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