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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.
2001 crewcab 4x4 7.3 373 gears 4inch exhaust, boost, pyro, trans gauges ,chip
Join Date: Jun 2013
Location: Westminster Colo
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Originally Posted by ercbigblock View Post
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
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...
2000 F250 XLT 4x4 SC 7.3 w/rebuilt 4R100, 3 autometer gages, Super Zoodad, PHP Hydra chip, 4" DP/Exhaust w/dual 3.5" outlets, 275/70/18 Kumho AT51s on 8.5" rims, 08 AlumDiffCvr, Bilsteins, 31 row trans cooler, WW, BPV delete, AIH delete, hutch, harpoon and billet FPR (70psi), rear air bags, Jimmijammers.
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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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03 F250 4x4 CC 7.3ltr 4R100HD rebuilt, 160,000 Klms
GTP38R , Turbo-master , IH Bellowed up pipes, RiffRaff CAC boot kit, AIH delete, .
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