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Old 10-04-2009, 05:31 PM
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High Exhaust Temp When Towing:Help

I have found that I have to really watch my exhaust temps when towing, particularly when going up hill. I have found that it can run at 1100deg and might spike to +1200deg if my RPM's go down.

I am running aftermarket exhaust, the previous owner put some sort of chip on it(can't tell what kind it is), and an AFE insert & DIY. I am towing about 7000-8000 lbs.

Any suggestions to cool better or help with this issue?
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Old 10-04-2009, 05:40 PM
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take the chip out and try it!
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Old 10-04-2009, 06:54 PM
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When I pull the chip off, do I need to take anything into concideration? I did not install it, so any suggestions? I can see it on the board, but not sure how it went on or comes off. Do I need to open the box? I can see the chip on the board through the side.

It appears to have some towing mapping as it works with the torque converter when I am going down hill.
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Old 10-04-2009, 08:41 PM
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Check for exhaust leaks
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Old 10-04-2009, 08:48 PM
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probably just the chip you got.. might want to get a custom one.

What RPM's are you towing at... you gotta keep it well above 2000 or it will get hot..
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Old 10-04-2009, 08:55 PM
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Quote:
Originally Posted by David '96 993 View Post
When I pull the chip off, do I need to take anything into concideration? I did not install it, so any suggestions? I can see it on the board, but not sure how it went on or comes off. Do I need to open the box? I can see the chip on the board through the side.

It appears to have some towing mapping as it works with the torque converter when I am going down hill.
Video - DP-Tuner Install this will help
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Old 10-05-2009, 08:02 AM
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From what I've read on here you can tow at 1200* all day long. Its when you go past that you need to worry.
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Old 10-05-2009, 10:35 AM
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The truck can run all day long at 1250 as well, but sustained over that should be kept to under 2-3 min. EGT's are controlled by good air flow and even better tunning. Since you have the airflow, you need better tuning. I tow a 10K TT all over the place and with DP's 60 tow I have never, never had to back off the go pedal due to high EGT's.

NCH
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Old 10-05-2009, 12:49 PM
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Just keep in mind if your tunes are lowered, you will have less power. I use my 70 tune all the time but have to keep an eye on the pyro. if I put it in my 50 tune I dont have to watch it but my truck feels so much more slugish. I pull a 12k 5er and usually start out a trip with 120 gal of fuel onboard
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Old 10-05-2009, 01:15 PM
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have you looked into the Wicked Wheel?
http://www.dieselsite.com/index.asp?...PROD&ProdID=47
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