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EGT gauges

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Old Feb 13, 2008 | 02:11 PM
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EGT gauges

http://www.avionix.com/store/egt.html

These could be a nice fit right in the OEM cluster assembly for the 1980-1986 Fseries trucks. At 1/14" diameter, the one at the top is more compact than the usual autometer gauge. Looking for pyrometers, I discovered that avionics gauges are comparable in price to the "kits" that are often sold for diesel pickup enthusiasts. Some even cheaper, if you look at gauges intended for kitplanes.

I' thinking of replacing the Temp gauge with a compact pyro, and ruinning a mechanical separate temp gauge. If I can find other compact gauges like this, I might be tempted to replace all the stock gages (except speedo and tach), the black and white colors would look about right too. Other gauges are more expensive though.

Anyway, thought I'd thought I'd let you all know that there are a few other choices for Pyros to consider........
 
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Old Feb 13, 2008 | 07:35 PM
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I think those gauges would look great with the 1980-1986 trucks. I think they would look nice in my 84', too bad i do not have a turbo and no need to measure exhaust temperatures. One day though. Looks like a great find.

Adam
 
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Old Feb 13, 2008 | 08:00 PM
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Originally Posted by turboman24
, too bad i do not have a turbo and no need to measure exhaust temperatures. Adam
Actually, having a pyro in a non turbo truck is just as important, if not more. Without the extra air being forced in, you could have an overfuel condition under load which could cause the exhaust temps to rise to dangerous levels.
Especially true if you have done any tweaking to the pump or if there is a pump failure. A pyro will indicate a problem long before the engine temp goes up and there is engine damage.
Jason
 
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Old Feb 13, 2008 | 09:20 PM
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Coool,
Weather radar for my excavator and an ILS for my truck so I am ready for ISP (Insturment Snow Plowing) for those white out conditions.
 
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Old Feb 13, 2008 | 09:48 PM
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Originally Posted by Dave Sponaugle
Coool,
Weather radar for my excavator and an ILS for my truck so I am ready for ISP (Insturment Snow Plowing) for those white out conditions.
You may need special permission from the FAA, FCC, NTSB (and some other acronyms I can't remember) to do that. But if they give you trouble you could just raise the blade and drive away, its not like the law can catch in a white out, especially when you're running SSNS (Starwars Sponaugle Navigation System).
 
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Old Feb 13, 2008 | 10:53 PM
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http://www.airstuff.com/eshop/catalog/145.asp

This one is interesting, aside from being made in the states, it integrates EGT and engine temperature in one unit, not sure if it includes sending units though (think it does). But it is bigger and probably wouldn't fit in the OEM cluster.

EDIT: holy crap, this one's $42.00! http://www.airstuff.com/eshop/catalog/51.asp

Heres the rest of the catalogue if anyone is interested: http://www.airstuff.com/eshop/ProdList.asp
 

Last edited by David85; Feb 13, 2008 at 10:56 PM.
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Old Feb 13, 2008 | 11:10 PM
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David, that last one you posted is relatively cheap because it's not full sweep. Full sweep electrical gauges are always quite a bit more expensive. Nobody really makes short sweep pyrometers because most people using a pyrometer want to have that longer scale so they can see more detail than you'd get on a short sweep.

I do like the square panel look though, that would be easier to integrate into a dashboard, especially since a bunch of those are only 1 1/4" diameter.
 

Last edited by ghunt; Feb 13, 2008 at 11:13 PM.
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Old Feb 13, 2008 | 11:17 PM
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All I need for a pyro is the 1200F mark LOL. But really, have you ever seen a pyro for that little? the sender is annother $30, but still pretty good.
 
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Old Feb 14, 2008 | 10:52 AM
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That is cheap, and if the probe is only $30, that's a good deal.

Most automotive gauge places charge you $80-100 for a pyrometer even when it doesn't have a probe with it.
 
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Old Feb 14, 2008 | 11:21 AM
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About the only catch I can see with it is the gauge does not read to zero, but instead starts to read at 600 or 700 depending on the model. But the 90* sweep is perfect for integration into the OEM cluster since thats what is in there already.

The cheapest 270* sweep gauge I found was a VDO pyro for $130, with everything included. I'm beginning to wonder if we are being overcharged for pyros when you can get aircraft gauges for the same, or less cost. I even found some that are designed to compensate for ambient temperature, they cost more, but are still less than what some of us are paying for the autometer, or isspro gauges on diesel webstores.
 
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Old Feb 14, 2008 | 11:30 AM
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Well for what it's worth, I got an Autometer Sport Comp II pyro off ebay for $100. Brand new (runs $160 if you buy it outright elsewher).

Autometer's regular Sport Comp pyrometer is around $120-130.
 
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Old Feb 14, 2008 | 01:54 PM
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Originally Posted by David85
You may need special permission from the FAA, FCC, NTSB (and some other acronyms I can't remember) to do that. But if they give you trouble you could just raise the blade and drive away, its not like the law can catch in a white out, especially when you're running SSNS (Starwars Sponaugle Navigation System).
Shouldn't be a problem for the ILS, since it's receive only. The problem is that you'd need a plow on the back for when you weren't plowing toward the localizer...

As for the weather radar, with a plow up front, who cares
 
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Old Feb 14, 2008 | 04:12 PM
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egt gauges

IMHO, an egt gauge that goes to 1700 deg has too much unusable range. This makes the numbers too close together to read accurately going down the road. Of course the red line can be painted on, and that is the most important thing. I just prefer to know the temp as close as possible, especially up near max. Just my opinion, They do look good, though... John
 
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