Doesn’t make sense
Thread Starter
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More Turbo
Joined: Feb 2018
Posts: 504
Likes: 24
From: CT
Doesn’t make sense
I put in new up pipes and now my EGTs are higher. I took everything apart again and have confirmed everything is correctly put in and there are no huge boost leaks. I’m pretty convinced there is something wrong with these up pipes, I’m hitting 1000 degrees easily, unless my egt probe is broken, it is an edge. Lmk if there’s anything I should look out for
Cargo Master
Joined: Nov 2005
Posts: 2,767
Likes: 58
From: East Tawas, MI
Markus,
Kind of need some comparables to go forward.
Cold start, edge egt reading
idle to temp, edge egt reading
mild throttle, sustained " "" "" (see if the numbers build or just go into orbit)
WOT run "" "" "
Cool down of turbo say 5 minutes.
Lets evaluate the edge and see if it is a fault or if there is a buried mystery. I'm thinking your readings are way off the chart and you may have a calibration issue.
Denny
Denny
Kind of need some comparables to go forward.
Cold start, edge egt reading
idle to temp, edge egt reading
mild throttle, sustained " "" "" (see if the numbers build or just go into orbit)
WOT run "" "" "
Cool down of turbo say 5 minutes.
Lets evaluate the edge and see if it is a fault or if there is a buried mystery. I'm thinking your readings are way off the chart and you may have a calibration issue.
Denny
Denny
Hotshot
Joined: Mar 2014
Posts: 10,750
Likes: 1,065
From: Douglassville, PA
My boost will peak at 26 and I can easily hit 1250 on a straight run. Not that mine is right but yours doesn't sound bad compared to mine.
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More Turbo
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From: CT
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Thread Starter
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More Turbo
Joined: Feb 2018
Posts: 504
Likes: 24
From: CT
I’m personally thinking it could either be my EBPV isn’t fully open, my up pipe collector still isn’t fully seated, or my egt probe has gone bad or the fact my spyder to turbo clamp is kinda screwed up. Truck will be getting new boots and clamps in ~ a month.
Idk if my 6637 filter needs to be changed, I bought it June of last year, I drive on dirt roads a couple times a week, and I’ve probably put 12-15k on it
Posting Guru
Joined: Oct 2012
Posts: 1,910
Likes: 2
From: Hat Creek Ca
My first target would be revisiting the up pipe situation since that is when your issue started I believe. You could test the EGT probe in boiling water (just the tip) but that does not get very hot. Might be a way to rig it in the oven - as long as that is wife friendly. Definitely make the spider and turbo clamps right using the proper band clamps, not just hose clamps if that is what you have now.
Posting Guru
Joined: Sep 2014
Posts: 2,404
Likes: 3
From: Asheville-where weird is
If your up pipes were really bad, as in leaking huge amounts of exhaust gas prior to the turbo, and this would be loud with lots of soot under the hood and they would likely fall out of the collector prior to loosening or cutting the bolts, then, the installation of new up pipes that contain the exhaust gasses could cause an increase in EGT's because the path would have more resistance. However, this should be offset by the additional boost that the new uppies assist in producing.
As others have stated, those EGT's are not that bad.
Are you running the same tune?
As others have stated, those EGT's are not that bad.
Are you running the same tune?
Thread Starter
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More Turbo
Joined: Feb 2018
Posts: 504
Likes: 24
From: CT
If your up pipes were really bad, as in leaking huge amounts of exhaust gas prior to the turbo, and this would be loud with lots of soot under the hood and they would likely fall out of the collector prior to loosening or cutting the bolts, then, the installation of new up pipes that contain the exhaust gasses could cause an increase in EGT's because the path would have more resistance. However, this should be offset by the additional boost that the new uppies assist in producing.
As others have stated, those EGT's are not that bad.
Are you running the same tune?
As others have stated, those EGT's are not that bad.
Are you running the same tune?
Posting Guru
Joined: Sep 2014
Posts: 2,404
Likes: 3
From: Asheville-where weird is
I don't think that I would grind it down completely due to it indexing the collector to the turbo and keeping the angles to the up pipes consistent and thus preventing potential stress on the bellows should the V-band clamp become loose.
You might try making the tip a little more pointed to assist in the initial alignment due to this one step being THE royal PITA at times.
You might try making the tip a little more pointed to assist in the initial alignment due to this one step being THE royal PITA at times.
Thread Starter
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More Turbo
Joined: Feb 2018
Posts: 504
Likes: 24
From: CT
So it looks like I’m changing gears on this, my injector pulse width is very high like 3.03 sometimes and used to never go over 2.4 . I’m guessing either my HPOP, ICP or IPR is screwed, any insight on what to check now, I rebuilt my HPOP last year for leaks and it was good up until now I guess.