Di-Pricol Fuel pressure gauge

[John Berger]

Does anybody out there own one of the mechanical fuel pressure gauges? How big is the tubing that runs from the isolater to the gauge? I'm worried about having to drill a big hole in the firewall.

 

[HeberRam]

size?

The Dipricol fuel pressure gauge I'm running came with a pre-filled 1/8" plastic line and isolater. I inserted the 1/8" line into a clear 1/4" plastic line for protection. A 3/8" hole should be plenty.



Steve

 

[John Berger]

Where are you monitoring fuel pressure? I like monitoring it in and out, which would require a second gauge with the mechanical types.

 

[HeberRam]

In or OUT???

John. . I'm monitoring the fuel pressure at the schrader valve that goes into my VP-44. I don't quite know what you mean , in and out? One gauage at that location is more than enough.



Steve

 

[John Berger]

I have a sender mounted on the input test port on the top of the fuel canister and another sender mounted atop a banjo bolt at the outlet line from the fuel canister. I mounted a switch in the truck and I can toggle between the two.

 

[HeberRam]

???

John... Just curious, what pressure differences are you seeing between the different locations if any? I'm trying to determine the need for two fuel pressure gauges and its benefits.



Tks, Steve

 

[Rob Thomas]

Steve, I also run 2 mechanical fuel pressure gauges, one pre filter, and one post. Two reasons, one, it lets me see the loss at the filter, and can determine when the filter needs changed, and the other reason, the more the merrier, I just like the fighter jet look.



Later, Rob

 

[tajensen]

I like Autometer gauges, but have only seen their fuel pressure gauges range from 0-15 psi. Is this enough scope for pressure readings?

 

[John Berger]

Steve, when I installed what is now my spare lift pump, pressure readings where a solid 14-15 psi inlet and 15-16 psi outlet. I watched as the pressure readings dropped as the LP aged and the readings pretty much always stayed the same relative to each other, until last summer when I started noticing a 2 psi drop at the inlet reading. It is now always 4 psi lower at inlet than at outlet. I swapped the senders and still the same. I think I'm going to go with two mechanical gauges as I think my senders are probably bad. If, as Bill said(another thread), electrical senders tend to be a problem on diesel's, I want to eliminate another regular maintenance item in the fuel system. The LP's are bad enough.



And to echo the sentiments from above: I really like the cockpit look with all of those gauges.