We used a simple fuel pressure gauge with a peak hold needle to record our highest fuel pressure value from a run. The gauge is an all stainless, bottom 1/4NPT pipe, glycerin filled gauge with a maximum indicating needle. Glycerin filling is needed to dampen the needles from racer vibrations. Stainless is needed for resistance […]
Message: in your fuel injection book, you show a vacuum gauge with a telltale, do you know where to obtain one of these gauges? KS It is not a vacuum gage but a pressure gauge. You probably want a 0-200 psi, liquid filled, tattle tale gage.