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Max Boost lately

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Old Jan 24, 2017 | 10:08 AM
  #1  
F33lmywrath's Avatar
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Max Boost lately

Hit 27.7 on the way to work today. 262k stock no mods other than coolant filter and upgraded battery cables. What are you fellas reaching?? Also list mods and mileage to correctly compare variables.
 
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Old Jan 24, 2017 | 10:33 AM
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Truck is designed to hit 28psi, everybody should hit 28psi. No variable to it.
 
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Old Jan 24, 2017 | 11:01 AM
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Originally Posted by WatsonR
Truck is designed to hit 28psi, everybody should hit 28psi. No variable to it.
Don't be dumb. While the truck may be designed for 28, we live in the real world where moving parts degrade and eventually fail over time. Mods also can affect the desired value vs. real value.

If you want to troll, keep it in the off topic forum, or a different site please. Lets work together to keep this community positive and engaging.
 
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Old Jan 24, 2017 | 11:44 AM
  #4  
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Originally Posted by F33lmywrath
Don't be dumb. While the truck may be designed for 28, we live in the real world where moving parts degrade and eventually fail over time. Mods also can affect the desired value vs. real value.

If you want to troll, keep it in the off topic forum, or a different site please. Lets work together to keep this community positive and engaging.

No offense man, but watson is a regular here and knows what he is talking about.

That being said, daily driving, you would only see 28psi under certain conditions. You won't hit that kind of boost without the torque converter being locked. Simply stomping the skinny pedal will unlock the torque converter. Rolling into it at highway speeds, especially going up a good grade, should yield 28psi.

It doesn't matter if the truck has 500k miles. In proper running condition and the right situation, such as towing up a grade, you should be able to hit 28psi of boost. If you can't hit that amount of boost, then fueling, HPO system or turbo are suspect.
 
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Old Jan 24, 2017 | 11:52 AM
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Originally Posted by brandonrr
No offense man, but watson is a regular here and knows what he is talking about.

That being said, daily driving, you would only see 28psi under certain conditions. You won't hit that kind of boost without the torque converter being locked. Simply stomping the skinny pedal will unlock the torque converter. Rolling into it at highway speeds, especially going up a good grade, should yield 28psi.

It doesn't matter if the truck has 500k miles. In proper running condition and the right situation, such as towing up a grade, you should be able to hit 28psi of boost. If you can't hit that amount of boost, then fueling, HPO system or turbo are suspect.
Why continue the furtherance of not engaging to the original request?

Some of our trucks are 10+ years old with high mileage engines and turbos that while still work, are tired and do not function as efficiently as new.

Either state what your actual achieved max boost numbers are or don't. No need to impede the collection and comparison of real world results guys.
 
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Old Jan 24, 2017 | 11:59 AM
  #6  
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Hey feel my wrath, I think everyone has.
 
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Old Jan 24, 2017 | 12:49 PM
  #7  
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Originally Posted by F33lmywrath
Why continue the furtherance of not engaging to the original request?

Some of our trucks are 10+ years old with high mileage engines and turbos that while still work, are tired and do not function as efficiently as new.

Either state what your actual achieved max boost numbers are or don't. No need to impede the collection and comparison of real world results guys.
COOL, I'll bite, in the interest of information;
2004, 150k miles, H11 head studs, AirDog II 165gph fuel pump 75psi, regulator removed, stock injectors, stock turbo, Gearhead custom tuning running Street Light Race + Extreme Race tune with FICM Atlas 40 tune loaded. 4" MBRP straight pipe, no CAT or muffler. Stock intake.
I hit 34 lbs of boost on hard throttle and hit 27-28lbs without effort.

Your truck should hit 28lbs of boost by design and if it doesn't something is wrong. Running it up to full boost is a good test to make sure all the components are functioning correctly.
 
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Old Jan 24, 2017 | 04:24 PM
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Mine hits 30lbs of boots regularly with the mods in my signature. 168K miles. I think it's actually more but the tuner only reads to 30 I've read? I'll see when I get torque pro up and running on it.
 
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Old Jan 24, 2017 | 04:31 PM
  #9  
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Watch the MAP reading, then subtract BARO. That's the mathematical boost, unless your tuning has that fooled as well.

Must be the snow plow!
 
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Old Jan 25, 2017 | 11:49 AM
  #10  
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After replacing the unison ring and clean up, I get 26#'s of boost max when towing and full acceleration.
Very consistent number on my Dashboss.
 
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Old Jan 25, 2017 | 12:11 PM
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Hmmmm..... Boosts numbers mean more fuel,more fuel means more money,more money means less for other things. I like more money so I can have other things on my truck............Just saying lol
 
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Old Jan 25, 2017 | 01:13 PM
  #12  
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26 Max

181,000 miles, atlas 40 and new stock turbo
 
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Old Jan 25, 2017 | 01:30 PM
  #13  
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Originally Posted by WatsonR
Watch the MAP reading, then subtract BARO. That's the mathematical boost, unless your tuning has that fooled as well.

Must be the snow plow!
Ha. No snowplow on the truck. Just has the snowplow package from the factory which included:

• Snowplow Package, includes:
— Front Spring/GAWR Upgrade (Refer to the Weight Ratings charts on pages 23-33 for specific spring/
GAWR selection for each model)
— Unique fan clutch with higher disengagement speed (6.0L V-8 Diesel)
— 140 Amp., 2100 Watt Alternator (6.0L V-8 Diesel)

Not sure what the fan clutch disengagement means for me????
 
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Old Jan 25, 2017 | 02:14 PM
  #14  
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Going off my Torque Boost gauge that captures the min/max, shortly after my work was done and turbo cleaned, etc., I believe the truck was still re-learning the VGT, because I hit almost 32. Then with some miles the max kept going down (and not many miles at that).

So just did a: jump on it on an up hill freeway on ramp and I saw a max of 26.9, so I'm darn sure I didn't get the torque converter lock up condition, if that is one of the things required to hit 28. But I am concerned the VGT may not be running full range, so I'll try the test again and see. I had always thought the '07s and maybe some '06s were de-tuned by Ford because of all the warranty issues -- comments on that?

Totally stock truck other than reliability mods in my sig., 25K miles on it - and yes I expect to get some low mileage crap back from you guys, but it is my truck and I'll put miles on it at my pace, I also own 9 street vehicles that all get driven by only 2 drivers and no commuting (so there ).

I hope that last part doesn't get me in trouble with the posting police...
 
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Old Jan 25, 2017 | 04:09 PM
  #15  
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9 cars..... no commute. Your; rich? Allergic to work? None of the 9 cars run? A car salesman? A car ho? My BIL has the same problem, more cars than drivers.

05-07 was detuned, the 03-04 have bigger turbos. The truck will learn your habits and keep those in the KAM. Why after loading a tune you get the P0603 code or after disconnecting batteries. I would believe it hit 32lbs.

9 cars and 25k miles??
 
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