I am finally going to put fuel pressure and oil pressure sensors in my truck but I need a little bit of help. I did ask this on the forum for 2nd gens but didn't get much in the way of help and you folks always seem the most helpful to a local anyway. The fuel pressure sensor is all good. I ordered a lid for the fuel filter housing from Geno's that has the right size threaded port in it. For the oil pressure, the sending unit has 1/8 npt male threads. I have no idea where to thread this into. The one suggestion I got on the 2nd gen forum is to thread it into the test port on the filter housing. I cannot find the test port. I also wonder if there are any other suggestions. Thanks to all of you in advance for any help.
BTW - the sensors are the new pressure sensors that Edge has made for my Insight CS

 

Its located right on top of the oil filter housing, next to the pressure line for the turbo. PM me your email and I will send you a picture.

 

Fuel Pressure - with that filter cap you will be measuring fuel pressure prefilter - you should be measuring post filter. Use a tapped banjo bolt on the filter outlet or on the inlet to the IP.





Oil Pressure - Pic is kind of hard to see:

 

Dr. Evil (Shane) is correct that you will be measuring pre-filter fuel pressure but it's ok.

More importantly, I don't recommend mounting any gauge sensors directly on the engine, except perhaps a resistive temp gauge sensor.

The Cummins will vibrate any mechanical or electronic gauge sensor to failure. I recommend mounting them remotely.
A rubber grease gun hose 1/8" NPT at both ends works fine for both oil & fuel to isolate the sensors.
Readily available at an auto shop.

Braided S.S. hose is nicer than a grease gun hose but pricey. Various lengths available at Mopac.

 

I've run all my sensors directly mounted since I've owned either truck. I've killed one sensor in that time, and that was the fuel pressure gauge on my 12v. Piston lift pumps and p-pumps generate a lot of pressure spikes, and it was in between both. That being said, the one on my dually is mounted on the fuel filter housing between the p-pump and the FASS, and its been hanging in there for 6 years now.

 

I run a needle valve inbetween my injection pump and fuel filter. Adjust the valve until the vibration pulsations are gone. Been that way for almost a decade. I run a mechanical gauges, just don't trust the electronic stuff.

Seen a few autometer sensors drilled into the fuel filter cover housings. Just drill and tap housing for 1/8npt. Works great and its easy.

 

All the engine manufactures that are installed in hiway trucks put there sensors into the engine. Never seen a remote mounted sensor ever, been working on them for 18yrs.

 

 

Thanks for all of the suggestions folks. I do like the idea of using short hoses rather than attaching the sending units directly to things attached to the block. The sending units from Edge are rather large and not all that solid looking. Isolating them a bit from direct vibrations from the block does seem like a good idea. It is going to be a week or two before I can get the installation done. I will post back once it is complete. Once this is done the investment in the Edge Insight is actually worthwhile. I did a software update to it last week and holy cow there is a bunch of new information available to me. Two interesting gauges are 'Boost Pressure' and 'Engine Load'. I really want to find out what the definition of 'engine load' is. At idle in neutral I have a lod of 0%, put it in gear and hold it still with the brake and it is a load of about 3%. I hammered the throttle from a dead stop the other day and saw an engine load of 96%. I wonder if this is a piece of info that comes right from the ECM or is it calculated in some funny way.