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6.7 Performance Parts Discussion 6.7 Performance Parts Discussion

 
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post #1 of 8 Old 06-02-2014, 08:22 PM Thread Starter
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Need help from u smart guys???

Hey guys I helped my friend delete his 2011 6.7 today.. We took it for a ride and runs very well for awhile.. then he got on it a couple times the turbo like flutters or something.. Almost like over boosting maybe? It only does it when he gets on it hard.. like around 30 mph but something isn't right? could it be bad turbo? truck only has 15k on it. thanks
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post #2 of 8 Old 06-02-2014, 09:00 PM
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Originally Posted by taz1 View Post
Hey guys I helped my friend delete his 2011 6.7 today.. We took it for a ride and runs very well for awhile.. then he got on it a couple times the turbo like flutters or something.. Almost like over boosting maybe? It only does it when he gets on it hard.. like around 30 mph but something isn't right? could it be bad turbo? truck only has 15k on it. thanks
possible. the fuel and boost may be exploiting what was prolly a very un-noticeable problem before.

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post #3 of 8 Old 06-02-2014, 09:11 PM
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possible. the fuel and boost may be exploiting what was prolly a very un-noticeable problem before.
The title says the OP needs help from a smart guy and I'm not sure you fitt the requirements bud.














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post #4 of 8 Old 06-02-2014, 09:14 PM Thread Starter
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hmmm so even if it was fine before it still could be a sign of bad turbo??? thanks
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post #5 of 8 Old 06-03-2014, 10:38 AM
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You need to give more details to me is sounds like a trans issue what tune are you using what boost #s are you seeing did you relearn the trans is it more of a feeling or a noise what's your rail pressure at come on man !!

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post #6 of 8 Old 06-03-2014, 11:10 AM Thread Starter
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It's not the trans. Yes did relearn and drove about 400 miles since. It's like it doesn't like all the boost at once.. Think he seen 36 psi. Someone said there a tsb from ford on this issue ???
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post #7 of 8 Old 06-03-2014, 11:15 AM
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Yea that's def a lot of boost what is the wastegate or spring rated too that might be your issue rite there try loading a street or tow fueling tune and see if you have the same issue or just have your tune MCC 'd to max out slightly lower

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post #8 of 8 Old 06-03-2014, 11:55 AM
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Quote:
Originally Posted by Carli'd6.7 View Post
Yea that's def a lot of boost what is the wastegate or spring rated too that might be your issue rite there try loading a street or tow fueling tune and see if you have the same issue or just have your tune MCC 'd to max out slightly lower
If anything the fact that turbo saw 36 psi is a good chance it oversped . If you knew how fast these turbos spun you'd prolly think differently about diagnosing this. It's not a wastegate issue .

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