Electric fuel pressure gauge.

[Nico Over]

James Weiler wrote:
> 
> How accurate are these guages compared to say a mechanics fuel presure
> guage that he attaches to the schrader valve?  A mechanics guage is damn
> expensive so there should be a difference .....shouldn't there be?
> 
> jw
> 
> Jim, can't verify how accurate these guages are but they are being used on twin 500 hp inboards (picture on the web site) , but it brings up a point on how accurate any electrical guage is compared to mechanical? I have had some really bad luck with electrical guages over the years and almost always use a mechanical if the situation allows. Seems like I can't spell well these days, the guage company is Gaffrig. Nico