Which pyro and sensor to use

seano11 · Apr 24, 2012

Whats everyone using for a pyro gauge and sensor on there 250s. I was thinking about getting the gf to sit under the hood well I`m driving and get the reading using a temp gun but she doesn`t think this is a good idea lol

Floridianson · Apr 24, 2012

I wonder if you did not do any mods like increase the air flow first then added more fuel would one have to worrie about it. Now on the Deuces where everyone is increasing the fuel it would seem to be more needed.

seano11 · Apr 24, 2012

Floridianson said:
I wonder if you did not do any mods like increase the air flow first then added more fuel would one have to worrie about it. Now on the Deuces where everyone is increasing the fuel it would seem to be more needed.

When cummins canada redid my pump after the american cummins did it They told me they brought it up to "Our specs" which they said was a different button for more fuel pressure and Now I'm just a little interested in what its putting out for temps on some of the hills we have here

spicergear · Apr 24, 2012

Basically any of the first 5 will do for simplicity. I have one of them mounted on my Mog after I turned up the fuel.

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nk14zp · Apr 24, 2012

I get mine from the local Mack dealer.

steelandcanvas · Apr 24, 2012

I installed these units a few years ago, I've been very happy with them. The Pyro does not require any power to operate. I asked the MFG to install 24 volt red LED backlighting in the gauges to match my Deuce's instrument panel. Hewitt Industries Bolsa, CA. http://shopping.murcal.com/Catalog/Hewitt-Industries

Beerslayer · Apr 24, 2012

You can use just about any pyrometer, BUT, the gauge typically has a light in it, and it needs to be 24vdc. So that narrows your choices. I made the mistake of buying a 12vdc gauge and had to buy a resistor for it to work with 24v.

I really like the gauge and sensor from Isspro.

TMNT · Apr 24, 2012

I just installed the Isspro gauge. I asked them to put 24V bulbs in it, which they did. The Isspro uses an amplified probe though, so you must also power the gauge itself. They supplied a diode, not a resistor, that goes in line with the 24V source to drop the voltage down to 12V.

I tied the illumination circuit into the instrument cluster lights and I tied the gauge power into the instrument cluster power. I'm looking for red bulbs so the illumination will match the other gauges.

So far, I like it.

rlwm211 · Apr 24, 2012

I bought a K type ISS PRO thermocouple and gauge. No Power required and still has illumination via a 24 volt bulb.

The real question is where to install it.

I did a study using two thermocouples to verify the claims that the post turbo PYROMETER reads 100 degrees lower than the pre turbo.

Here is the link to the thread

http://www.steelsoldiers.com/deuce/69213-changing-head-gaskets-dual-egt-gauge-test-program.html

I would strongly suggest using a gauge that does not require power to work.

This is akin to a mechanical gauge which I find preferrable over electrically operated ones.

m16ty · Apr 24, 2012

Beerslayer said:
You can use just about any pyrometer, BUT, the gauge typically has a light in it, and it needs to be 24vdc. So that narrows your choices. I made the mistake of buying a 12vdc gauge and had to buy a resistor for it to work with 24v.

In most gauges you can swap out the 12v bulb with a 24v one real easy. Or do like I did, wire your boost gauge light and your pyro light in series.

rrrr · Apr 25, 2012

Here's the setup in my deuce. I'm very pleased. The gauges are wired in series for the lighting.

Beerslayer · Apr 25, 2012

Suggest that you put the pyrometer above the steering column where you can see it easily without taking your eyes far off of the road ahead of you. You really need to keep an eye on it when you have the fuel turned up, and having to look down to the dash panel is just that much more time your eyes are off the road.

rlwm211 · Apr 25, 2012

I installed mine on the column, offset slightly to make it more visible. JC Whitney has a nice metal 2" gauge pod that clamps on for about 10$.

TMNT · Apr 26, 2012

ImageUploadedByTapatalk1335486727.360999.jpg

I agree with the steering column idea. Minimal installation effort, no changes to authenticity of the truck, easy to keep an eye on while driving.

steelandcanvas · Apr 26, 2012

rlwm211 said:
I installed mine on the column, offset slightly to make it more visible. JC Whitney has a nice metal 2" gauge pod that clamps on for about 10$.

Got a part number? I just dug through their catalog and couldn't find anything that mounted on the steering column. Good idea, I'd like to mount mine that way.

paramedic7831 · Apr 26, 2012

TMNT said:
View attachment 326839
I agree with the steering column idea. Minimal installation effort, no changes to authenticity of the truck, easy to keep an eye on while driving.

I really like this pyro color codding. nice mount setup. Very easy for quick view. nice work

seano11 · Apr 30, 2012

steelandcanvas said:
Got a part number? I just dug through their catalog and couldn't find anything that mounted on the steering column. Good idea, I'd like to mount mine that way.

Ya a part number wood be awesome

rlwm211 · Apr 30, 2012

Equus Gauge Housing for All 2" Gauges - JCWhitney

There is a slot along the bottom to allow a hose clamp through to mount it on a steering column

TMNT · Apr 30, 2012

My computer crashed and I've had a heck of a time finding the part numbers for the IssPro gauge and mounting cup that I used. I bought mine from egauges.com. Here's the mounting cup that I used to mount my pyro on the steering column.

Mounting Cups:*2 1/16" Dia. Mounting Cups - Black - egauges.com

The only issue for me was that I had to trim the mounting studs off of the rear of the gauge to make it fit. If you could find a similar cup that was about 1/2" deeper, it would work better.

Here's the gauge that I selected. This is a powered gauge and some here recommend a purely mechanical gauge. A mechanical gauge would be easier to install but I have no experience to provide an adequate comparison. I like the one I have, but no knocks on anything else either.

http://www.egauges.com/vdo_ind.asp?Type=Pyrometer&Series=EVA_R&PN=R3607TR

You'll also need this probe:
http://www.egauges.com/vdo_indS.asp?Sender=ISSPRO_Thermo_1_5&PN=R658SPL

And this lead wire:
http://www.egauges.com/vdo_indS.asp?Sender=ISSPRO_Pyrometer_Lead&PN=R660-10PL

Talk to Mac at egauges and he can help get you set up for 24V with 24V bulbs and the proper diode to install in the power lead to power the gauge. I recommend talking to Mac at egauge as part of your purchase. He was very helpful to me.

steelandcanvas · Apr 30, 2012

rlwm211 said:
equus gauge housing for all 2" gauges - jcwhitney
there is a slot along the bottom to allow a hose clamp through to mount it on a steering column

thx!

Which pyro and sensor to use

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