oil pressure

[6.5coalroller]

What is the oil pressure supposed to run around. Mine runs around 40 or 45 and a lil lower at idle.

 

[vail426]

That's what I've had for the past 9 years.

 

[docdray]

truck gauge of course it depends on the shape of the ops. when my ops was about shot it would read 20 at idle and 40 at higher rpm. new ops is 40 at idle and 55 at 2k rpm. that was one way I could tell lp was not working.

 

[Missy Good Wench]

These things normally run about 5o PSI down the road andf idle at about 30
Now this is in perfect shape and with a good direct gauge hooked up.

The factory gauges will give all sorts of readings depending.
The electronic circuitry in the dash can get hinky on these trucks and readings can be quite varied.

A gauge reading of about 40 Hwy and 20 Idle is considered quite fine.

Now when I rebuilt DaHooooley this summer, I reused the squirt block oil pump on a non squirt engine.
The pressure cold is about 60+ at idle and 75 running and then when warm Idles at 40 and runs at 60

My 94 Burb got a factory fresh (GM) oil pump back 3 years ago when it got overhauled and it runs at 50-55 hot and idles at about 35

Your good.

MGW

 

[treegump]

These things normally run about 5o PSI down the road andf idle at about 30
Now this is in perfect shape and with a good direct gauge hooked up.

The factory gauges will give all sorts of readings depending.
The electronic circuitry in the dash can get hinky on these trucks and readings can be quite varied.

I was going to ask why people install an oil pressure gauge, when our truck already has one - but the above quote already answers that question, I suppose.

I'm also wondering, I came across a oil temp gauge looking at - http://www.chiefaircraft.com/airsec/Aircraft/EngineInstruments/ISSPRO.html (while looking at an fuel pressure gauge noted on another post) - and was wondering if anyone has installed that, and why? If the oil pressure or temp goes out of range - what can you do while driving, to get it back into range?

(I'm asking, because I have a A-pillar tri-gauge setup - I need a third gauge (thinking of a post filter - fuel pressure gauge), but I don't think I really need the exhaust temp gauge since I'm not running that high of boost and/or wondering if there is a set of gauges deemed more important than others.

(Sorry if I'm hijacking this thread - I thought it was within the boundaries of the topic)

 

[buddy]

My oil pressure showed a pretty constant 45psi while operating on a new OPS from SSD. When that one failed (POS) I tried getting the ACDelco but no one stocked it so I got the Napa brand, and it shows all over the place, 70psi cold down to 40 psi warm idle and back up to 70psi while driving. I think its a real POS too. Although I thought it would be fine because I modified the LP power with a relay. Apparantly the gauge part sucks too. So eventually will change it out with a Delco, easy enough with the extension hose I added. I grounded the brass fitting adapter with 12 gauge wire to the block, so I dont think its a ground issue, but who knows.

 

[HighSierra86]

I was going to ask why people install an oil pressure gauge, when our truck already has one - but the above quote already answers that question, I suppose.

I'm also wondering, I came across a oil temp gauge looking at - http://www.chiefaircraft.com/airsec/Aircraft/EngineInstruments/ISSPRO.html (while looking at an fuel pressure gauge noted on another post) - and was wondering if anyone has installed that, and why? If the oil pressure or temp goes out of range - what can you do while driving, to get it back into range?

(I'm asking, because I have a A-pillar tri-gauge setup - I need a third gauge (thinking of a post filter - fuel pressure gauge), but I don't think I really need the exhaust temp gauge since I'm not running that high of boost and/or wondering if there is a set of gauges deemed more important than others.

(Sorry if I'm hijacking this thread - I thought it was within the boundaries of the topic)

just to quick answer your question.....id say your 3 "must have" guages would be boost, EGT's, and fuel pressure. All three are a must have for the safe operation of the engine, as well as very helpfull diagnostic tools when you are experiencing a problem.

You really should have an EGT guage if you are running lower boost numbers, as this is when you will see higher exhaust gas temps. Towing or not, they can enter the too hot range.

Now as for oil pressures...engine temp is gonna make a big difference with numbers, but with a hot engine at idle anything over 20 should be enough to do the job

 

[SmithvilleD]

I was going to ask why people install an oil pressure gauge, when our truck already has one - but the above quote already answers that question, I suppose.

I'm also wondering, I came across a oil temp gauge looking at - http://www.chiefaircraft.com/airsec/Aircraft/EngineInstruments/ISSPRO.html (while looking at an fuel pressure gauge noted on another post) - and was wondering if anyone has installed that, and why? If the oil pressure or temp goes out of range - what can you do while driving, to get it back into range? QUOTE]

In short, the aftermarket gauges provide a more precise reading of oil pressure. When you can watch a quality mechanical oil pressure gauge similtaneously with the factory gauge, you'll soon trust the aftermarket gauge more.

As for knowing what oil temp is - a significant part of our 6.5's heat shedding ability is thru the oil/oil cooler. It's common to see oil temp edge higher (as engine load increases towing uphill), a bit before coolant temp begins to rise. They'll trend the same direction but changes tend to show earlier in oil temp. Being able to watch how oil pressure varies in relation to oil temp also can give you a better picture of what's going on.

What to do, if oil temps or coolant temps, or EGT get too high? Ease up on the engine before it gets hot enough to damage things. If not enough oil pressure, simply shut it down as soon as you can safely do so, in the hopes of saving the engine.

 

[ak diesel driver]

I was going to ask why people install an oil pressure gauge, when our truck already has one - but the above quote already answers that question, I suppose.

I'm also wondering, I came across a oil temp gauge looking at - http://www.chiefaircraft.com/airsec/Aircraft/EngineInstruments/ISSPRO.html (while looking at an fuel pressure gauge noted on another post) - and was wondering if anyone has installed that, and why? If the oil pressure or temp goes out of range - what can you do while driving, to get it back into range?

(I'm asking, because I have a A-pillar tri-gauge setup - I need a third gauge (thinking of a post filter - fuel pressure gauge), but I don't think I really need the exhaust temp gauge since I'm not running that high of boost and/or wondering if there is a set of gauges deemed more important than others.

(Sorry if I'm hijacking this thread - I thought it was within the boundaries of the topic)

Looking at your sig it looks like you tow if so your egt is extremely important. I would probably use the extra spot for a fuel pressure guage.

 

[OregonHorseTug]

I'm also wondering, I came across a oil temp gauge looking at - http://www.chiefaircraft.com/airsec/Aircraft/EngineInstruments/ISSPRO.html (while looking at an fuel pressure gauge noted on another post) -
(I'm asking, because I have a A-pillar tri-gauge setup - I need a third gauge (thinking of a post filter - fuel pressure gauge),

That aircraft gauge is 2-1/4" and mounts from behind. It won't fit in the A-pillar gauge pods. You'll have to make a custom panel for that style of gauge.