Gauge differences?
 

Can someone tell me why a fuel pressure gauge costs well over a hundred bucks while an oil pressure gauge can be had for 30 bucks? Same animal with a different face on it! Pressure is pressure be it liquid or air, fuel or oil or water. It is all pressure and yet the gauges are all different prices.

Rick

finally someone is thinking the same thing as me haha, i wonder he same thing every time i look at prices on gauges.

Anyone try using a different pressure gauge for fuel?

The difference is what the bordon tube/transducer part of the gauge is made from. Not all oil gauges are rated for fuel. Just find a nice mechanical gauge with a SS tube. Great for fuel.

Infidel uses 6 dollar surplus gauges with good effect.

http://www.surpluscenter.com

Don't forget, our Diesel is closer to oil than it is to Gas.......[laugh]

I'm using a Autometer mechanical 35psi boost gauge as a fuel psi gauge it cost 54$, Autometer has no fuel pressure mechanical gauges in the 0-30 range the only option is going to a electrical gauge in this psi range and they are 200$.

I do have a small 1/8 valve on the VP acting as a snubber slightly cracked open to take out all pulses and vibrations. It takes approx 2 seconds for my guage to move.

I have had this setup for a few month now and has worked perfectly.

GloShift Electric, 30 PSI $58 Works. No pulses, 1/2 fuel line, Air Dog with sender 3/4 up line to VP44

I went to the Glow shift web site and WOW, Some nice gauge sets at some really good prices. Any downside that you guys know of?
http://www.glowshiftdirect.com/


Rick

I have heard people say they are OK for the price, I would have bought one if I didn't have to have them shipped to Canada which nearly doubles or triples the price if shipped by UPS or Fed EX. I would be sure to use a snubber on them.

[duhhh] What are people using for a snubber? I am assuming buy what I a read that it is a accumulator of some sort to increase the volume of the sample taken to reduce the needle on the gauge from bouncing.

I Have the 0-30 psi Glow Shift Gauge on a 01 with an Air Dog. Sending unit is 3/4 the way to the VP44 in a 1/2 line that comes with the Air Dog. It have no bounce or flutter. I have no "Snubber" installed. :o

What I am using is a 1/8 inche valve that is only slightly cracked open mounted on the VP44, Snubbers are just a small orifice. I also leave air in my fuel gauge line to help absorb shock.

You have your sending unit far enough away from the VP to not see any shock. I wanted to get my psi reading after the filter so I can tell when to change the filter.

Just went and looked on diesel manor and the Isspro 0-30 fuel guage is 44. and change. Thats a mechanical guage. I think the ones that are expense come with isolator kits.