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04-09-2007, 02:44 AM
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eBay Motors
#1 (permalink)
| | Member
Join Date: Mar 2007 Location: Way down in southwest La
Posts: 35
| EGTs How hot is too hot when your towing? didn't run my psd over 1200. don't want to melt anything. 
__________________ 2008 4x4 CC Dually, PPE Hot Race, Magnaflow 4" str8 pipe, Ranchhand bumpers |
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04-09-2007, 05:05 AM
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eBay Motors
#2 (permalink)
| | Duramax Forum Moderator
Join Date: Feb 2007 Location: Barnesville OH
Posts: 3,236
| i wouldn't think to much of hitting into the 1200 degree range but if you had a chance it wouldn't hurt to let it cool down a little before you went on and if it hits 1400 degrees for only a short period of time i wouldn't get to excited but i wouldn't keep it there very long...i have seen 1350 degrees on my egt gauge for over 5 min.s and never had any trouble...
__________________ James 
05 LLY Chevy LS E/C L/B DRW my older brothers truck now
2006 LBZ GMC SLE C/C S/B,sold the truck to my dad for a business truck
My Truck now,1987 Chevy 2500 350 tweaked,6" SuperLift,350 V8 bored 60 over,Elderbrock headers Cam and Titanium Rockers,750 Twin Pumped Holley Carb and some other goodies.crank dynos over 400HP. |
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04-15-2007, 12:45 PM
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eBay Motors
#3 (permalink)
| | Member
Join Date: Apr 2007 Location: Harper, Tx
Posts: 87
| 1200-1300 is as high as i would want to go. Nothing will ruin your day worse than welding your engine together
__________________ James-
06 2500 HD SC 4x4 Duramax/Allison
4" turbo back silverline
AFE Magnum intake
PPE Xclerator Hot +2
Suncoast Stage V with triple disc TC
285 bfg all terrains
Ranchhand bumpers front and rear |
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04-15-2007, 06:19 PM
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eBay Motors
#4 (permalink)
| | Senior Member
Join Date: Jan 2007
Posts: 257
| where do you guys mount your probe? mine is mounted in my exhaust manifold and i can get mine to 1500 without towing a load up a hill. to get it where i want i have to slow down to 55-60 and i feel like a wuss when hybrids are passing me
__________________ 2006 LLY with some miles
-EFI Live(Best Investment Ever!!!!)
-Turbo-Back RBP 4" with no muffler and my cat ran away 
-limo tinted windows all the way around except winsheild
-18"MKW M25 with 285/65/R18 Toyo A/T
-Afe replacement filter
-Cogneto Leveling Kit |
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04-15-2007, 06:39 PM
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eBay Motors
#5 (permalink)
| | LIL Kahuna
Join Date: Jan 2006 Location: Kingston, WA
Posts: 354
| I say 1600 max, In the exhuast manifold is the most acurate reading.
__________________ Dads: 99 2500 Ext Cab Longbed 4X4 3.55s CTD, 5'', 47re, BHAF Outerwear Heat Sheild, Turnbuckle Wastgate, Fuel Pressure, Sucnoast Tripple Disk TC with custom vb work.
Mine: 95 Ext Cab SLT, Loaded, 5spd, 3.54s, Leveled 5'' Lift 35'' Toyos, 4'' Straight, Super B 57/66/14, Stage 2 Sticks, 3GSK, #60 Valve Springs, Stage 2 clutch, Custom Intake, Plateless,Boost and EGT on the pillar. |
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04-19-2007, 06:35 PM
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eBay Motors
#6 (permalink)
| | Member
Join Date: Apr 2007 Location: Harper, Tx
Posts: 87
| well, getting up to 1500 degrees going up a hill, or under hard acceleration is only for a short time, i was thinking a continuious temp.
__________________ James-
06 2500 HD SC 4x4 Duramax/Allison
4" turbo back silverline
AFE Magnum intake
PPE Xclerator Hot +2
Suncoast Stage V with triple disc TC
285 bfg all terrains
Ranchhand bumpers front and rear |
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05-02-2007, 07:28 AM
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eBay Motors
#7 (permalink)
| | DF Sponsors
Join Date: Jun 2006
Posts: 115
| You can run 1250 in the manifold basically all day long without much risk of hurting it. Very short blasts to 1500 wont hurt the overall life, but you dont want to run it there for too long. Aluminum starts to break down at 1450deg so you dont want to run it much past that for very long.
We had an LB7 here that I was drag racing at altitude and at the end of the quarter I was seeing 1700 deg pre-turbo. I was letting it cool down before I shut it off and it warped a head, so be careful with the temps.
Last edited by Pat@BD : 05-02-2007 at 07:33 AM.
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