Pegging the boost gauge???? - Ford Powerstroke Diesel Forum
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post #1 of 28 Old 11-25-2013, 01:21 PM Thread Starter
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Pegging the boost gauge????

I am very concerned about pegging out my boost gauge. If I get on it pretty decent between 1/2 and 3/4 throttle my boost gauge pegs out. I would like some advise and opinions.
I just installed a Spartan tuner, running the 210 L/L tune and a Pro-FLO 4'" exhaust turbo back exhaust with DPF delete. My truck feels awesome compared to my old stock set up. I am just scared I am going to tear something up.

I have a 2009 King Ranch Super Cab 4wd.

I ordered a S&B CAI that has failed to arrived in a timely manner. Will this addition hurt or help my current problem?

EGR Delete kit and Coolant filter kit is here at the house. I like installing one thing at a time, just to see differences.

2009 Ford Super Duty F-250
King Ranch 4x4
6.4L 8 Cylinder Power Stroke
Spartan Tuner
Pro-Flo 4" turbo back exhaust
S & B Intake
Sinister EGR Delete w/ high flow intake elbow
Sinister Coolant filtration kit
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post #2 of 28 Old 11-25-2013, 02:39 PM
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How fast are you going? Are you pulling anything? Most of the time my boost gauge is between 5 and 20psi. The only way I go even above thirty is if I am really getting on it hard or my stepdad is using my truck to pull his 28 ft crownline boat over 100mph. It is something to keep your eye out for. Check your turbos to make sure everything is normal. If the there is boost, at least you know the turbo is working.
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post #3 of 28 Old 11-25-2013, 02:54 PM
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Quote:
Originally Posted by Combat_Infantryman View Post
Will this addition hurt or help my current problem?
The only problem you have is mathematical. The boost gauge goes to 40psi, a tuned truck (Spartan, H&S, etc.) can easily boost more than that.

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post #4 of 28 Old 11-25-2013, 05:29 PM Thread Starter
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Quote:
Originally Posted by RUFFSTUFF View Post
The only problem you have is mathematical. The boost gauge goes to 40psi, a tuned truck (Spartan, H&S, etc.) can easily boost more than that.
So I should be ok. I just produce more boost than the gauge reads?
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post #5 of 28 Old 11-26-2013, 06:16 AM
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I know a lot of trucks make high boost. I think its more in the tuning than anything. I have a 71mm lp turbo and I don't see much more than 42 lbs of boost even from a hard pull. I think tuning has a lot to do with it. I am going to try gearhead tunes eventually. Also the more restrictions you remove the boost should go down but make the same amount of power.

08 F350 cc/sb 4X4
h&s minimaxx, 5" flo pro, 4" down pipe, no limit cold air intake, dirty diesel EGR delete with intake elbow, 6.0 exhaust manifolds, custom up pipes, ported intake manifold, Apex 71mm LP turbo, Rudy's cold side pipe, diesel site coolant and transmission filter, diesel site intercooler boots, ccv mod, bilstein shocks, gogo dd solenoid, HID lights, Airdog II 165, PMF traction bars, PMF drag link, moshimoto aluminum radiator
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post #6 of 28 Old 11-26-2013, 06:17 AM
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Another thing you may want to do is take off and clean your ebp sensor and tube and your map sensor.

08 F350 cc/sb 4X4
h&s minimaxx, 5" flo pro, 4" down pipe, no limit cold air intake, dirty diesel EGR delete with intake elbow, 6.0 exhaust manifolds, custom up pipes, ported intake manifold, Apex 71mm LP turbo, Rudy's cold side pipe, diesel site coolant and transmission filter, diesel site intercooler boots, ccv mod, bilstein shocks, gogo dd solenoid, HID lights, Airdog II 165, PMF traction bars, PMF drag link, moshimoto aluminum radiator
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post #7 of 28 Old 12-04-2013, 06:25 AM
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are you tuned? a tuned truck will peg a 40psi boost gage all day long....if you run a mini max you can set a defuel on boost... i ran mine at 50psi max for a bit... blew the head.... i defuel at 40 now...


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post #8 of 28 Old 12-04-2013, 02:21 PM Thread Starter
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I am tuned. I now know how to monitor my boost on my DASHDAQ. My factory boost gauge was a little off too.

2009 Ford Super Duty F-250
King Ranch 4x4
6.4L 8 Cylinder Power Stroke
Spartan Tuner
Pro-Flo 4" turbo back exhaust
S & B Intake
Sinister EGR Delete w/ high flow intake elbow
Sinister Coolant filtration kit
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post #9 of 28 Old 12-16-2013, 11:09 AM
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I've bounced stock tune trucks off 40PSI before.

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2008 F-350 4x4 Off Road 6.4 Powerstroke Diesel
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post #10 of 28 Old 12-16-2013, 11:54 AM
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Quote:
Originally Posted by Big Angry Hillbilly View Post
I've bounced stock tune trucks off 40PSI before.

How did you pull that off?


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