Pyro Installed! But what does it really mean?????
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Tuned
Joined: Nov 2006
Posts: 296
Likes: 14
From: Jefferson, TX
Pyro Installed! But what does it really mean?????
I finally got brave and poked a hole in the manifold. Really wasn't so bad following the gauge install sticky in the mods section. Great post!
I was surprised at how quickly the pyro reacts to changes in load and throttle. I expected a slower action on the temps, but they just follow your right foot.
So, what's good and bad? Searching here and all around Google it seems like a consensus is that sustained temp at or above 1,200* is bad news.
I assume too that quick peaks to 1,100* - 1,200* when accelerating with 10-15 psi boost are normal?
Am I on the right track?
I was surprised at how quickly the pyro reacts to changes in load and throttle. I expected a slower action on the temps, but they just follow your right foot.
So, what's good and bad? Searching here and all around Google it seems like a consensus is that sustained temp at or above 1,200* is bad news.
I assume too that quick peaks to 1,100* - 1,200* when accelerating with 10-15 psi boost are normal?
Am I on the right track?
Hotshot
Joined: Jul 2003
Posts: 12,177
Likes: 40
From: Newport, WA
According to International, you can run all day long at 1250° and not hurt anything. You're definitely safe with short burts at 1100-1200°. You can even take it up to 1400° in short burts if you want/need to.
The Isspro gauge I had in my SD was color coded for temps, like this one:
It was kind of nice to have the color codes as a "guide" for temps.
The Isspro gauge I had in my SD was color coded for temps, like this one:
It was kind of nice to have the color codes as a "guide" for temps.
FOREIGN GURU
Joined: Jul 2006
Posts: 7,655
Likes: 7
From: Celaya, Gto. MX
According to International, you can run all day long at 1250° and not hurt anything. You're definitely safe with short burts at 1100-1200°. You can even take it up to 1400° in short burts if you want/need to.
The Isspro gauge I had in my SD was color coded for temps, like this one:
It was kind of nice to have the color codes as a "guide" for temps.
The Isspro gauge I had in my SD was color coded for temps, like this one:
It was kind of nice to have the color codes as a "guide" for temps.
you asked:
Pyro Installed! But what does it really mean?????
Well thats the best insurance for your engine, with the gauge you know if you are going to melt your pistons or not.
If the EGTs goes more than 1250 frequently, you need an Intercooler or something else like water/meth.
(PS. I like the new avatar Chase)
Posting Guru
Joined: Mar 2009
Posts: 1,799
Likes: 0
i had a friend who ran a truck for about an hour i think he said really cooking with a trailer( was fed up with an issue LOL) for 1250-1300 the whole time and still runs the truck like it never happened, these trucks can take some abuse. im not proud to say it but im willing to bet mines hit atleast 1700 a few times
Fleet Owner
Joined: Aug 2004
Posts: 20,419
Likes: 197
From: AZ
I've hit 1,600 because I was to lazy to knock the cruise off and I was topping a hill anyway. Harold, you said it, follow your right foot. The gauge has two connections, one to the motor, the other to your brain if your paying attention. On a mountain gauge your foot does what the gauge does, gauge up, foot up and opposite in reverse. I ran mine for ten hours one day against a head wind at 1,250*, tough engines.
Posting Guru
Joined: Dec 2008
Posts: 1,161
Likes: 15
From: Mt.Angel
Ok we got highs covered but what about low? i mean whats a safe temp to shut your truck down? i have heard around 300 or so?
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Postmaster
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Thread Starter
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Tuned
Joined: Nov 2006
Posts: 296
Likes: 14
From: Jefferson, TX
Wow...good stuff. Thanks!
I noticed too that mine settles down to about 300* really quick like. I'll have to pay attention to it after a good run. How much cooldown time do you guys give your trucks? Do you shutdown to fuel while on long trips? I have an extra door key in my pocket when on the road. Rest stops etc. I leave it running. Pretty much the truck doesn't shut off on medium trips of 200 to 300 miles. Hope nobody does a smash and grab.
If I'm going to stop for any length of time I give it 5 mins before shutting it down. Too impatient on the road for a 10 min cooldown when I'm HUNGRY. At the end of the trip I'll give it a full 10 minutes.
I noticed too that mine settles down to about 300* really quick like. I'll have to pay attention to it after a good run. How much cooldown time do you guys give your trucks? Do you shutdown to fuel while on long trips? I have an extra door key in my pocket when on the road. Rest stops etc. I leave it running. Pretty much the truck doesn't shut off on medium trips of 200 to 300 miles. Hope nobody does a smash and grab.
If I'm going to stop for any length of time I give it 5 mins before shutting it down. Too impatient on the road for a 10 min cooldown when I'm HUNGRY. At the end of the trip I'll give it a full 10 minutes.
Fleet Owner
Joined: Aug 2004
Posts: 20,419
Likes: 197
From: AZ
You give it alot longer then I do. My wife gets sick if she smells diesel so at a truck stop and she wants out I shut it down. But, I slow way down and just creep in so I can get as much idle time as possible. Same with taking off with a cold engine, I'm not 'allowed' to start it up before taking off because she might smell it. Pisses me off but what am I to do? I buy good synethic oil and hope for the best.
Hotshot
Joined: Jul 2003
Posts: 12,177
Likes: 40
From: Newport, WA
I like to shut off around 350° or 400°. My SD I always let it come down to 350, Whitey was a hot blooded girl and it would take FOREVER to get to 350° so I went with 400°. The new girl has a post turbo pyro that I barely pay attention to... that is going to get remedied ASAP.
I don't shut off for just a quick fuel stop unless I need to walk away from the truck, or if a cranky gas station attendant yells at me in fear that I'm going to blow the gas station up by not shutting my truck off while fueling. There's been many times I'll leave it running and lock the doors (I always carry a spare key in my wallet) if I know I won't be very long.
I don't shut off for just a quick fuel stop unless I need to walk away from the truck, or if a cranky gas station attendant yells at me in fear that I'm going to blow the gas station up by not shutting my truck off while fueling. There's been many times I'll leave it running and lock the doors (I always carry a spare key in my wallet) if I know I won't be very long.
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Tuned
Joined: Nov 2006
Posts: 296
Likes: 14
From: Jefferson, TX
I got a chance to do a bit of towing this past weekend. Not too heavy of a load. A WW 2 horse slant (about 2,800) tack and feed (about 250) and 2 beasts (about 1,400) so about 4,400 to 4,500 lbs. + 6 humans, very little cargo in the truck bed. I could hit and hold 1,200* on any incline just keeping up 60-62 mph? Unusual?
Last edited by jtexfisher; Jun 6, 2011 at 03:13 PM. Reason: add details
