Garrett BB Question
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Joined: Jul 2006
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Garrett BB Question
I just installed a 38r turbocharger on my truck yesterday and noticed that my peak egts seem to be higher than before. They are still not a problem (1300 vs 1200 at WOT) but this seemed strange to me. I am running stock injectors and a DP tuner with the 140 tune (programmed before the turbo). My egts are lower during normal driving and cruising by about 100 degrees and the truck runs great. Any ideas why they would be higher at WOT? I was thinking maybe it was because all of the fuel is being burned as opposed to thick black smoke since I now have little smoke once the turbo is spooled.
Thanks
Thanks
Post Fiend
Joined: Feb 2006
Posts: 11,892
Likes: 2
From: Middle Tennessee
I would say you are putting more air in the cylinders which allows better fuel combustion. That would make more heat/power.
Post Fiend
Joined: Jun 2004
Posts: 9,293
Likes: 10
From: Parker, CO
I had the opposite effect when I installed the 38R. Here in higher altitude with just a chip/intake/exhaust I would see EGT's at WOT reaching over 1400 degrees. The addition of the 38R dropped it down a bit. Normal cruising on the highway showed EGT's were almost identical.
Hook it, I'll pull it.
Joined: May 2007
Posts: 15,037
Likes: 4
From: Grand Lake, La.
I had the same thing when we installed my TN BB turbo. I guess there is a breakin period, because my EGT's are a lot cooler now that I ran it for a few hundred miles. I was worried like you at first, but doing great now.
Good luck and keep an eye on the gauge.
Good luck and keep an eye on the gauge.
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