boost/egt's
Thread Starter
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Fleet Mechanic
Joined: Dec 2010
Posts: 1,546
Likes: 9
From: Wellington, Co
boost/egt's
Curious about what happened, but after two days of towing, everything going great, start off in southern Colorado and boost is down(<5) and egts higher. From Houston 'till then, boost was normally 7-8 at 65, would go up to 12-15 when slight accel or hill. Would know for sure because Wicked wheel does whistle! This is a 12k 5vr and 60t tunes. Noticed fuel psi down to 50-55, usually around 60. EGT's get 1100-1300 pretty easily, really had to watch throttle on hills. I looked at the boots when we stopped, nothing obvious, but we are settled now so I will have time to check further.
Thoughts?
We are an hour out of Fort Collins, and if an AE would help maybe a selling point with wife.
Thanks.
Thoughts?
We are an hour out of Fort Collins, and if an AE would help maybe a selling point with wife.
Thanks.
Postmaster
Joined: Jul 2006
Posts: 4,993
Likes: 2
From: Bend, OR
Sounds like elevation... He is used to driving at 1000' or less, and now is at 6000' or more. Now try driving across wyo... fun fun fun...
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Fleet Mechanic
Joined: Dec 2010
Posts: 1,546
Likes: 9
From: Wellington, Co
Now, we did start yesterday at 6200, but it was running fine getting there.?? Just saying.
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Fleet Mechanic
Joined: Dec 2010
Posts: 1,546
Likes: 9
From: Wellington, Co
And, one other reason I hope for a cure, we will be going to Yellowstone in late Sept!! That will take care of the driving across Wyoming for sure.
Hotshot
Joined: Jan 2011
Posts: 18,849
Likes: 179
From: Puget Sound
I am completely and whole-heartedly in Joe's camp on this one. The tune is dialed for xyz air density and temperature, but it takes live tuning or a special "high altitude" tune to compensate for when things go that far out of whack. My 60e was blowing slight coal while cruising at 7000-8000 feet and making nasty puffs after the light. I dropped to stock tune and just endured the whimpiness. I have since repaired my MAP sensor, and I may get different results when I return to that elevation no later than Thanksgiving weekend.
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Post Fiend
Joined: Jun 2004
Posts: 9,293
Likes: 10
From: Parker, CO
It's elevation. Colorado does that to these trucks. Enjoy your vacation, and don't worry about it.
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Postmaster
Joined: Jan 2009
Posts: 4,006
Likes: 1
From: AL, Reform
just watch it good and have fun.
Thread Starter
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Fleet Mechanic
Joined: Dec 2010
Posts: 1,546
Likes: 9
From: Wellington, Co
Pretty bummed about what looks like the cause, towing this darn trailer is why most of the mods get done, for me anyway. And we love the west!
Thread Starter
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Fleet Mechanic
Joined: Dec 2010
Posts: 1,546
Likes: 9
From: Wellington, Co
I am completely and whole-heartedly in Joe's camp on this one. The tune is dialed for xyz air density and temperature, but it takes live tuning or a special "high altitude" tune to compensate for when things go that far out of whack. My 60e was blowing slight coal while cruising at 7000-8000 feet and making nasty puffs after the light. I dropped to stock tune and just endured the whimpiness. I have since repaired my MAP sensor, and I may get different results when I return to that elevation no later than Thanksgiving weekend.
Looks like another conversation with Jody and crew. And visit to the mail box.
Postmaster
Joined: Jul 2006
Posts: 4,993
Likes: 2
From: Bend, OR
Its nice to just turn it on and let the cruise control do the work.
Get a TS chip and try that...
Thread Starter
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Fleet Mechanic
Joined: Dec 2010
Posts: 1,546
Likes: 9
From: Wellington, Co
For the most part I am happy with the DP.
Curious about the water injection though? Please add details or links and I will start a search also. Oboy, another mod! Wife will kill me.
Curious about the water injection though? Please add details or links and I will start a search also. Oboy, another mod! Wife will kill me.