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'99 & up Upgrades and Aftermarket - 7.3L Engine Upgrading or adding OEM or aftermarket equipment to your 1999-Up Super Duty or Excursion with 7.3L Power Stroke diesel engine. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.

 
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post #1 of 5 (permalink) Old 05-31-2019, 05:19 PM Thread Starter
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new turbo

2001 7.3 I have cold air intake a 4inch exhaust after market chip and I put a new GTP38R turbo on and I have noticed that my exhaust temps are hotter than they were with the stock turbo . Hills that i use to run up faster with lower exhaust temps are now getting my temps hotter faster and i'm having to back out of throttle sooner . Any help would be great.

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post #2 of 5 (permalink) Old 05-31-2019, 05:37 PM
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Originally Posted by ercbigblock View Post
2001 7.3 I have cold air intake a 4inch exhaust after market chip and I put a new GTP38R turbo on and I have noticed that my exhaust temps are hotter than they were with the stock turbo . Hills that i use to run up faster with lower exhaust temps are now getting my temps hotter faster and i'm having to back out of throttle sooner . Any help would be great.


I would check for boots leaks at the turbo to intake spider and boots. Also check your up pipes for leaks. Do you know what your fuel pressure is running. I have the same problem as you but I am running 180/30 injectors on mine. So from what I have found is that the 38r does flow more air but you have to keep the rpm up to get the bigger turbo to spool up they tend to run hotter in the lower rpmís tell you get in the higher rpm band. Iím in the process of switching to a turbo that is bigger than stock but smaller than a 38r.


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2000 F250 7.3 4inc exhaust, Ts 6 pos chip witch custom tunes, Built 4R100 w billet triple disc converter, 6.0 trans cooler and deep tans pan, CCV mod, 4 gauge pod A piller,Boost,Trans temp,EGT,fuel pressure AFE intake,RIFFRAFF Frx fuel Rail dead head fix black spring,High Flow banjo bolts,High Flow CVD Fitting, Harpoon mod,Diesel site adrenaline HPOP,AIH Plug,Plenum Reinforcing Inserts. FULL FORCE DIESEL STAGE 1.5 single shot injectors, Garrett powermax GTP38R and blank pedestal, RIFFRAFF Intercooler CAC Boots with complete clamp kit , scanegauge 2
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post #3 of 5 (permalink) Old 06-01-2019, 07:10 AM Thread Starter
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Thanks for the info i will check I have stock injectors new up pipes all new boots . Maybe my superchips turner needs an upgrade .
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post #4 of 5 (permalink) Old 06-01-2019, 10:35 AM
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It's not the tuner but it probably does need an upgrade for other reasons. Seems that turbos that claim to move more air also require more rpms...

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post #5 of 5 (permalink) Old 06-09-2019, 09:44 PM
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Yes i do believe the 38R need to spin a little faster to keep the temps down, so upgrade your tuner to maybe a DP Tuner multi and go back a gear and keep some rev's on that 7.3. :smile2

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