How Much Boost???? - Ford Powerstroke Diesel Forum

6.0L Performance Parts Discussion What has or has not worked for you?

 
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post #1 of 9 Old 10-16-2007, 05:10 PM Thread Starter
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How Much Boost????

How much boost do you guys see when running the looney tune?

1999 7.3 6-speed
12" kelderman airbag lift
38"x14.50x16
afe stage 2 intake
4"catback (will replace when got the funds)
SCT tuned by jody
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post #2 of 9 Old 10-16-2007, 05:19 PM
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25-26....how much u seeing...

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06F-250-6.0 CC SB 4"TB Silverline No Cat SCT XCal2 DJ'S Econ, Street Smoke, Looney! Innovatives Xtreme Race, Xtreme Street Quadzilla Commander A-Pillar Mount 2 12" Solobaric L7'S & Kicker 1000 watt amp. High Idle Mod, CFM+Intake Elbow...............Coming Soon! Injectors, Turbo, ARP Head Studs
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post #3 of 9 Old 10-16-2007, 05:21 PM Thread Starter
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Right at about that. I was just wonderin if that was norm cause i can pull 29 stock

1999 7.3 6-speed
12" kelderman airbag lift
38"x14.50x16
afe stage 2 intake
4"catback (will replace when got the funds)
SCT tuned by jody
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post #4 of 9 Old 10-16-2007, 05:24 PM
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I think DJ limits the boost in his files to help prevent head bolts from stretching. His street tune only runs about 20psi as well on my truck. The looney is in the same psi ballpark as you guys are seeing too.

Kurt

shu873@powerstroke.org

'06 True Blue/Silver 250 crew cab
ARP's, EGR blocked
AFE stg.2, MBRP 4" pipe
Air Dog 150, ITP reg. return
Bulletproof oil bypass system
Banks technicooler
Ride rite air springs in the rear
EGT, boost, and fuel pressure gauges by DiProcol on the pillar

Plus a few other odds and ends...
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post #5 of 9 Old 10-16-2007, 05:26 PM
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ya i hit 28-29 on his street tune...

Sold it for the Vette Now Want Another!
06F-250-6.0 CC SB 4"TB Silverline No Cat SCT XCal2 DJ'S Econ, Street Smoke, Looney! Innovatives Xtreme Race, Xtreme Street Quadzilla Commander A-Pillar Mount 2 12" Solobaric L7'S & Kicker 1000 watt amp. High Idle Mod, CFM+Intake Elbow...............Coming Soon! Injectors, Turbo, ARP Head Studs
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post #6 of 9 Old 10-16-2007, 05:26 PM Thread Starter
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Cant you run about 30 and be safe

1999 7.3 6-speed
12" kelderman airbag lift
38"x14.50x16
afe stage 2 intake
4"catback (will replace when got the funds)
SCT tuned by jody
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post #7 of 9 Old 10-16-2007, 05:31 PM
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Question Is..........How long do you expect to run with that much boost before something gives way??? I would certainly want some extra INSURANCE before I run that much boost for an extended period of time. Keep an eye open on them temps!!

Lloyd Vice Director of Virginia Strokers
2006 F350 6.0L SuperDuty Lariat 4x4
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post #8 of 9 Old 10-16-2007, 05:33 PM
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My heads are studded and EGR blocked at the up-pipe, but the highest any of my files boost are 32psi... That's the innovative Xtreme race, and my EGT's seem more in check with that file too. I think the extra air helps keep it down.

Kurt

shu873@powerstroke.org

'06 True Blue/Silver 250 crew cab
ARP's, EGR blocked
AFE stg.2, MBRP 4" pipe
Air Dog 150, ITP reg. return
Bulletproof oil bypass system
Banks technicooler
Ride rite air springs in the rear
EGT, boost, and fuel pressure gauges by DiProcol on the pillar

Plus a few other odds and ends...
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post #9 of 9 Old 10-16-2007, 06:21 PM
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hmmm.. seems like the higher power the tune, the less boost you see.

on stock programming i could hit 32 psi all the time. on my aggressive files i usually only see about 22-24psi until i get into overdrive with the t/c locked. on the hiway with it locked i can load it up and get 28-30 psi.

i think part of the reason for this is that boost is highly determined by the amount of load of the engine. a stock motor is working way harder to accellerate a heavy truck up to speed, so it's really loaded up.

on the race files, the engine doesnt really even break a sweat tackling an on ramp, so the load isnt high, and the boost isn't either.
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