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1999 to 2003 7.3L Power Stroke Diesel 7.3L Power Stroke Diesel equipped Super Duty and Excursion. |
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#1
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Boost related questions - stock turbo
So, this month I'm putting in a whistlin' wheel and bellowed up-pipes and the Dieselsite turbo-master... along with a few other non-turbo-related mods.
Some questions: 1) How much boost can the stock turbo live with? (I'm not looking to blow it up, but I want to get more out of it.) 2) If I dial the turbo-master up beyond 22psi, should I put a boost relief valve or boost fooler in there? (Looking at the Dieselsite BRV+ product for this.) 3) If I do the boost valve/fooler, I would put in an analog boost guage in the cab so I can read the actual boost number vs. what the PCM is being fooled into reading (22psi max). I'm running a PHP Gryphon 99% of the time on an 80HP tune. If I put in the boost valve/fooler, does this effect my tuning? Thanks in advance for your wisdom!
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www.VibrantLED.com -- '02 7.3L Excursion Limited ~135Kmi total; ~50Kmi on WVO Vegistroke V3 (installed 4/09); HIH, Aux Pump, FPHE (added 11/10); WVO Designs CF PHP Gryphon; 6637 intake; 4" exhaust; Terminator HPOP; Tru-Cool; Evans NPG+; other goodies... |
#2
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Sometimes its just easier to find things, I'm at a slight advantage because I remember reading this a while back.
1) I'm going to pass this question, but here's an excellent post by Cody Quote:
3) N/A, see #2.
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Thomas H. '97 F-250 CCSB 7.3L Auto, Gauges, Modded H2E, 285/200% sticks, 7.3L IC, Stealth Dual HPOP, Pheonix chip '03 F-250 CCSB 6.0L Auto, Gryphon CTS, FICM tuning by PHP, Powermax |
#3
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Everyone I talk to says boost fooler not needed with php, but today I unplugged my wastegate, to get past 24psi, and once I hit 25-26psi my SES light came on? after a couple miles it went back off.
sorry, maybe I should start my own thread,
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Vince, just ordered my F.U. 9/16/10 e99 F350 srw, isspro gauges, auto w/6.0 trans cooler DIY intake, straight pipe exhaust |
#4
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I was told that SES was not caused by boost, it's the HPOP not keeping up with what the injectors want. That was told to me by Cody, mine comes on if I romp it good. I've seen 28-30 on my boost gauge.
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2000 F-250 SCLB 2wd 7.3 auto PHP stock-65t-80dd-120race-high idle-no start 4"tb exh, wicked wheel, 3 guages, AIS, coolant filt, |
#5
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I was wondering about that possibility, my e99 only has a 15°hpop.
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Vince, just ordered my F.U. 9/16/10 e99 F350 srw, isspro gauges, auto w/6.0 trans cooler DIY intake, straight pipe exhaust |
#6
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Yea I'm keeping an eye out for a HPOP so I can send it to Joey at Terminator. He rebuilds them & works some magic with it. Funny ain't it Get chip, then HPOP, then Injectors, etc, etc
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2000 F-250 SCLB 2wd 7.3 auto PHP stock-65t-80dd-120race-high idle-no start 4"tb exh, wicked wheel, 3 guages, AIS, coolant filt, |
#7
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turbo master
I have the turbomaster wate gate controller and it is adjusted to not allow the gate to open at all. It may have helped low end power. I have a pressure regulater on my map sensor line. All of this was a waste of money. Even with my 100 hp performance tune I stay under 24 psi. I don't know how others get such high boost but it sounds like it would be a bad thing with the stock turbo anyway. By the way the ATS turbo housing was the best thing I could have done to get rid of bad noise.
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#8
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Save your money on the bellow up pipes. I spoke to a powerstroke mechanic about that. He pulls the upper pipe housing off replaces the seals then he takes the metal hold down piece and shave 20 thousandth off of them. He he says he clamps down really hard on the seals and they won't leak.
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#9
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Quote:
The up-pipes expand and contract with engine operation and that will eventually wear out the seals. The bellowed pipes eliminate that wear point. They will not develope any leaks whatsoever during the entire service life.
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Dan 1999 F550 4x4 ZF6 pulling a Cedar Creek 36RLTS. 1999 VW Jetta TDI 5speed stick, all stock. 1996 Audi A4 Quattro. Unstoppable in the snow and ice. The single most important thing in life is the condition of the human soul. All deeds, whether they are good or evil, spring up from that. |
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