Max Boost For a 7.3 ???? - Diesel Forum - TheDieselStop.com
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99 & up 7.3L Power Stroke Engine and Drivetrain Discussion of the 99 & up 7.3L Power Stroke diesel engine and drivetrain in the 1999-Up Super Duty trucks and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. 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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Old 01-31-2008, 07:33 PM   #1 (permalink)
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Talking Max Boost For a 7.3 ????

Just wondering what kinda Boost you guys are making...??? 29 lbs is the most I've ever seen.....thanks.
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01' F250....Customized into long bed...
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5" Straight exhaust built from chrome truck stacks,with MBRP over the diff. Transgo Tugger shift kit w/ Banks Transcommand. AFE Stg II Intake.
Speerco intercooler........

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Old 01-31-2008, 08:33 PM   #2 (permalink)
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i only hit 22lbs but i have a weak tranny and the TC just slips when i try to load it up, so i don't push it to hard, but i will have a BTS in a few months, i can't wait
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Early 1999 (4/98) f-250 superduty, 4x4, crewcab, shortbed.

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Old 01-31-2008, 08:38 PM   #3 (permalink)
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31 - 32 on my truck, but thats really pressing the issue on a stock turbo.

OP, you are ALLOWED to change your userID on this board
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Old 01-31-2008, 08:59 PM   #4 (permalink)
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Quote:
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OP, you are ALLOWED to change your userID on this board
Kanman meant to say: CHANGE YOUR USER ID ON THIS BOARD!!!!
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'02 Black F350srw,Lariat,CC,SB,OR. - BTS TRANS,Coated 1.00 BB TN-non EBP-6.0 Spearco IC-DP Tunes(stock,HI,60T,80E,120R)MAP maximizer-ITP reg ret.-AirDog-Fluidampr-BWD coated/ bellowed pipes-AFE2-4" Magnaflow-Dieselsite coolant filter&ESOF SS lines-Billet/203*stat-Fleetrite ELC-Bilsteins-Hawks&Cryo's-Centramatic-Billet-Extang-Husky box-Husky Liner-EGR-LineX-Alpine-Kicker-PIAA-Dynamat-Sirius-Viper-ES Poly's-BFG 315/75/16 AT's-DTS 4.56LS-31 row 6.0 Cooler-UltraLite trans,pyro,boost-DiPricol fuel-PML pan-Mag-Hytec cover-Powerslot-Hawk. Marinco,Snowman,Harpoon,AIH,CCV,foil,door ding,console mods. http://good-times.webshots.com/album/557543120DKiWId
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Old 01-31-2008, 09:06 PM   #5 (permalink)
 
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just over 55 lbs. right now in our 1999 F250
My poor h2e is on it's last leg right now.
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Old 02-01-2008, 08:51 AM   #6 (permalink)
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31-32 i push with a banks turbo
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1999 f350 build date 2/99, red, ts 6 position, banks compressor turbo wheel, banks big head wastegate, mbrp 5" with 6" grand rock stacks, diy tymar, Zoodad mod, AIH plug UPCOMING MODS: , stage 2 injectors,Stage 2 water meth injection, 95 gph fass fuel, 6.0 intercooler, ballbearing turbo, 6.0 trans cooler, and arp head studs.
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Old 02-01-2008, 03:49 PM   #7 (permalink)
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28 is my max but I watch it on hills and keep it under 25.

LeRoy
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Old 02-01-2008, 05:01 PM   #8 (permalink)
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I usually get 28 sometimes 30psi if I hold it.
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'02 Black F350srw,Lariat,CC,SB,OR. - BTS TRANS,Coated 1.00 BB TN-non EBP-6.0 Spearco IC-DP Tunes(stock,HI,60T,80E,120R)MAP maximizer-ITP reg ret.-AirDog-Fluidampr-BWD coated/ bellowed pipes-AFE2-4" Magnaflow-Dieselsite coolant filter&ESOF SS lines-Billet/203*stat-Fleetrite ELC-Bilsteins-Hawks&Cryo's-Centramatic-Billet-Extang-Husky box-Husky Liner-EGR-LineX-Alpine-Kicker-PIAA-Dynamat-Sirius-Viper-ES Poly's-BFG 315/75/16 AT's-DTS 4.56LS-31 row 6.0 Cooler-UltraLite trans,pyro,boost-DiPricol fuel-PML pan-Mag-Hytec cover-Powerslot-Hawk. Marinco,Snowman,Harpoon,AIH,CCV,foil,door ding,console mods. http://good-times.webshots.com/album/557543120DKiWId
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Old 02-04-2008, 11:13 AM   #9 (permalink)
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what are they supposed to pull from the factory?
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Old 02-04-2008, 12:06 PM   #10 (permalink)
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turbo pressure

a stock 7.3 should be about 15# boost if you go to a smaller houseing you could see 23-25#
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Old 02-04-2008, 03:02 PM   #11 (permalink)
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thank you.
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Old 02-04-2008, 03:30 PM   #12 (permalink)
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27 lbs of boost on the stock, but the turbo surge is bad!
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Old 02-04-2008, 06:58 PM   #13 (permalink)
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Quote:
Originally Posted by fatyesno View Post
27 lbs of boost on the stock, but the turbo surge is bad!

What exactly is Turbo surge?
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Old 02-04-2008, 07:16 PM   #14 (permalink)
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Turbo builds too much boost and my wastegate keeps fluttering to try and keep it in check. Really i am building boost too fast for it to keep up....
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Old 02-04-2008, 08:04 PM   #15 (permalink)
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Would disconnecting the red tube help?
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