3rd Gen Engine and Drivetrain -> 2003-2007 5.9 liter Engine and drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

Towing and EGT's

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Old 02-23-2009 | 11:46 PM
  #16  
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Your EGT's will be fine running at 1350 deg. Your a stock truck so let her eat and keep your RPM's up around 2100-2300 on hard pulls. You should be able to only downshift to 5th on very long steep grades. Lug the engine and the EGt's will shoot up. Make her work...

Just make sure you have a clean air filter/fuel filter.
Old 02-24-2009 | 08:04 AM
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The air filter is about brand new. The oil, oil filter, and fuel filters will be changed before I go.
Old 02-24-2009 | 08:12 AM
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what rpm are you guys trying to pull at? our engine makes the 610 ft lbs of torque at 1600 rpm. it makes the 325 hp at 2800 rpm. would 1800 be ideal rpm?
Old 02-24-2009 | 09:54 AM
  #19  
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From: McDonough GA
Originally Posted by sallyman1
what rpm are you guys trying to pull at? our engine makes the 610 ft lbs of torque at 1600 rpm. it makes the 325 hp at 2800 rpm. would 1800 be ideal rpm?
Loaded heavy, 1900-2100 rpm's with some TQ management removed works really well to keep things rolling on all but the steepest grades. At about 1800 rpm's the ECU will start ramping fuel down, you loose the TQ, and will have to down shift.

I sized tires for 2000 rpms at about 70-72 mph and it works great. In decent weather I can roll most grades without downshifting and still make 11-12 mpg when loaded to 23k.

Works well with my 05 and 92 both.
Old 02-24-2009 | 10:12 AM
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dont worry about your egts, just giveer and go.
Old 03-25-2009 | 07:02 PM
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Originally Posted by sallyman1
tell me what u find out?
the only difference is now I can hit 1525 degrees digitally-it's not the Isspro gauge - but now I got a really cool single boost/pyrometer programable digital gauge in my SRT 10 A pillar
Old 03-25-2009 | 10:32 PM
  #22  
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One week before we load the Jeeps up for Moab. I'll try to come back and post results.
Old 03-25-2009 | 11:27 PM
  #23  
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SMARTY JR. will solve ANY EGT issue your having!!!!!!


Where i used to have to back out on account of egt's @ 1375 +, now it's 1175 - 1200 at the same speed, on the same hill...
Old 03-26-2009 | 08:43 AM
  #24  
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I've got the Smarty and tow up to and above 26k GCVW. I really don't have to worry about EGT as I can't really get them above 1300 even on long pulls up grades.

For exhaust I've got the Hushpower into dual stacks (no cat).

Good luck!
Old 03-26-2009 | 12:13 PM
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1200* is nothing. I'd be feeding in more throttle at that point.
Old 03-26-2009 | 01:11 PM
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I tow heavy most of the time (mainly always always over 20k lbs) and all I have is a Volant intake and 4" straight exhaust (muffler and cat fell off) and honestly while I dont REALLY recommend it I do NOT have ANY gauges and I have over 370k miles on my truck now.

On longer hills what I watch is the temp gauge (I know not very accurate) however I havent had any problems original motor and turbo, and I watch it cause I dont have any gauges, I figure if the coolant is getting hot others things must be as well, and along with the temp gauge I watch my RPM's and keep them above 1800.

See my worry was if I got a EGT gauge I would then realize WHAT my temps REALLY are and THEN get worried but since I dont have the gauges I cant worry however I am careful with watching things, if you have owned your truck for awhile and know what its like towing with it you will know what to look for such as where your oil pressure sits, the temp gauge, and RPM's if anything doesnt look "normal" thats when you adjust.

As others have said the truck is stock and was built to tow now while sure you can have problems but if you watch you will be fine.
Old 03-26-2009 | 05:29 PM
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I towed over Monarch Pass in CO GVW 23,900# going up 25mph in 2nd ready to go into 1st my egt 1350/1400* got to the top cooled down then going down stopped twice to cool my brakes(have power slot,cryo rotors w/EBC pads...so what is needed to get the power and keep EGT's down larger turbo,meth/water injection system what will work for a tow/daily driver..
Old 03-26-2009 | 05:33 PM
  #28  
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Dump the Edge and pick up something cooler running like a Smarty. The timing only setting would be sufficient for towing and would make your truck run substantially cooler if you ask me.

Shawn
Old 04-03-2009 | 09:04 AM
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I'm getting ready for a trip to Moab in a month and I'm thinking of the things that I need to do before we leave. I'll be pulling a 30' gooseneck with 2 jeeps. The last trip weighed in at 24,000# combined weight.


What was the scale reading on the TV rear axle? 10,000-lbs on a 6,000-lb drive axle?
Old 04-03-2009 | 04:59 PM
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Towing and EGTs

I have an '03 with auto trans equipped with K&N air, 4" pipes and an Edge with Attitude, towing a 14K pound Fiver. I've crossed the U.S several times and all the way to Alaska which includes crossing Trail Ridge Rd. out of Estes Park, CO. I take overdrive out at around 52 mph and shift into second at around 45. This helps keep the rpms up and the EGT down. As several contributors have noted, pick your foot up and let it pull at 1200 degrees or less. If you keep your foot in it your EGTs will definitely go up. My shop says that over 1300 degrees starts cooking the seals on the turbo. Cummins says you can run at 1500 for a very short time but then it needs to drop below 1250 so it can cool down. Making it pull way down makes everything run hotter. I've a 48RE and it has never required anything for 177K miles.


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