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Old 03-21-2017, 07:02 AM   #1
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More gauges!

I feel blind driving my bus. I'm not pushing it yet so I'm not too worried...yet. My family plans on some long hauls, including some mountain traversals. So, what gauges do you use? I was thinking of something like this:
GlowShift 3in1 Black Exhaust Temp and Digital Boost and Temperature Gauge

They have other ones where the analog needle is temp or boost, but I feel like egt's are the most important. I was going to hook the temp into the transmission some how?

Boost? Why do I care in my 1999 Cummins 5.9L Bluebird? I think I heard somewhere that fuel pressure is also very important? Especially with the Cummins?

Wanna gauge it up and I am looking for your expertise. What would you suggest/avoid? I'm really looking to be a more informed driver/avoid huge bills because I didn't know I am melting my cylinders.
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Old 03-21-2017, 07:31 AM   #2
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THIS is what I want my dash to look like-




Trans temp and pyrometer are on my to-do list for sure.



As it stands I'm lucky to have MOST of my dash working lol.
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Old 03-21-2017, 07:42 AM   #3
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Gauges I would have on your bus and reasons for them.

1. Fuel supply pressure - Lift pumps on isb cummins are notoriously weak and notorious for failure. Low/no fuel pressure leads to injection pump failure=$$$.

2. Pyrometer - Used to monitor exhaust temp. Can tell if you're pushing too hard and need to back off, especially if engine is turned up.

3. Tranny Fluid Temp (automatic only) - Monitor this so you don't burn up the trans. Especially likely with an at545 and spirited driving.

Those 3 are a must if I owned it. Boost is optional to me, really only used for diagnostics/bragging rights.

I'd also want engine oil temp but it's not vital. I use it to gauge engine load/in case of rapid coolant loss. You'll see the engine oil increase rapidly if you lose a lower radiator hose, sometimes without even a wiggle on the coolant temp gauge.
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Old 03-21-2017, 07:47 AM   #4
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"1. Fuel supply pressure - Lift pumps on isb cummins are notoriously weak and notorious for failure. Low/no fuel pressure leads to injection pump failure=$$$.
"

That is exactly what I think happened to my 1999 Dodge dually. I had to replace my injection pump. That one hurt.

So, is there a brand you guys would suggest for gauges? Or does it really matter?
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Old 03-21-2017, 07:51 AM   #5
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https://www.summitracing.com/search/.../fuel-pressure

Stewart Warners.
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Old 03-21-2017, 07:58 AM   #6
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what they said..............

i just added gauges to mine. i didnt get the fuel pressure and now i kinda regret it. boost gauge may have been nice too.

i also added a tach which my bus did not have. the tach was well worth the $10 it cost. the other 2 gauges were much more!



if you mount them like i did. pass on the digital stuff. i cant see the numbers from the seat. just the top of the gauge where the needle is.
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Old 03-21-2017, 08:19 AM   #7
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Great info guys/gals!
Did a little searching. Do these numbers sound right?

So Pyro: 1300 max?
Fuel pressure: 5-9?
Transmission temperature: less than 200?
Boost: less than 30psi?

Do these numbers sound right?
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Old 03-21-2017, 08:22 AM   #8
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I love those chromed out Pete dashes!..

though im going the opposite of you guys with mine.. Think Tesla dash..

in a heavy bus i might like to have a brake temperature Gauge..
for winter driving, outside air temp, and road surface teperature gauge

if you have an 'E' engine a LOT of cool gauges are built into your computer...

Turbo Boost PSI
Intake air temp (pre turbo)
Engine oil Temp
engine load %
cruise set speed

in a HEUI engine, the computer gives you your HEUI info
HPOP pressure
COmmanded ICP
actual ICP

theres a bunch of other stuff the computer gives you as well.. on our busses we are following generally the J1587 protocol stack on top of the J1708 physical.

your normal 5 Navistar gauges (if your cluster is flaky), can be read from the computer.

MPH
RPM
Water temp
Oil P
Voltage

-Christopher
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Old 03-21-2017, 08:29 AM   #9
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I do have:
"Fuel, MPH, RPM, Water temp, Oil Pressure, & Voltage"
That is all on a switch on the dash. Multi-gauge kind of setup.

They also installed a mechanical amp meter.
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Old 03-21-2017, 08:49 AM   #10
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Quote:
Originally Posted by MasterMerck View Post
Great info guys/gals!
Did a little searching. Do these numbers sound right?

So Pyro: 1300 max?
Fuel pressure: 5-9?
Transmission temperature: less than 200?
Boost: less than 30psi?

Do these numbers sound right?
i've seen my pyro go to 1300*. they can get hot fast and cool fast, its sustained temps that will damage. my gauge is 1500*.
normal operating on a trans is 180-200, the gauge goes up to 260.

i don't have a boost gauge, but as i understand, the factory wastegate is 40ish psi? when i had my AFC off, the air compressor needed 60 psi to move the fuel foot. i think those diesels turbos can make some pressure.
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