H&S SURGING!! - Ford Powerstroke Diesel Forum
6.7 Performance Parts Discussion 6.7 Performance Parts Discussion

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Old 06-15-2011, 04:37 PM
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H&S SURGING!!

im not knocking them but at around 30% throttle on load when trq con is locked, there is a very pronound surging issue im finding. it is a kind of pfft pfft pfft sound coming from the turbo. mostly heard from the air filter area, partnered by loss of power. 'UNLESS" .... i put more or let off the throttle. kind off annoying. anyone else have this or is it an isolated deal?
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Old 06-15-2011, 05:32 PM
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I have the same problem, its just a serious sweet spot for it to happen, 55-60km hour and light load, either small hill or slush or something.

Edit: There are other users reporting the same thing, so were not alone.

Last edited by grmreaper; 06-15-2011 at 05:36 PM.
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Old 06-15-2011, 07:15 PM
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I have a slight surge and loud noise coming from the airfilter area around 1100 RPM. have always had it since the H&S and delete install. Not sure if it's the H&S though
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Old 06-16-2011, 08:23 AM
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Do you guys have stock or aftermarket air intakes?

From the sounds of it, the turbo is making the noises. I have seen a few stock trucks do it as well. We will see if we can change some things in the tuning to remedy it for the next update.

Thanks!

Here is a little more info FYI: Sputtering sound?

Last edited by H&S Tech; 06-16-2011 at 10:05 AM.
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Old 06-16-2011, 12:33 PM
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My truck also surges. I am running the AFE Pro Dry Air Intake. I have the 5" Flo Pro Exhaust w/o muffler, and I have the EGR block off plates if any of that matters.
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Old 06-16-2011, 12:39 PM
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Hmmmm........
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Old 06-16-2011, 04:08 PM
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hopefully someone can datalog it when it happens and get a fix
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Old 06-16-2011, 04:10 PM
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Quote:
Originally Posted by H&S Tech View Post
Do you guys have stock or aftermarket air intakes?

From the sounds of it, the turbo is making the noises. I have seen a few stock trucks do it as well. We will see if we can change some things in the tuning to remedy it for the next update.

Thanks!

Here is a little more info FYI: Sputtering sound?
and try and get rid of the lazy shift from 1-2 and the wheeeeeew sound lol
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Old 07-05-2011, 07:48 AM
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I think mine is OK with the latest 6.7.10 update from H&S! You guys still have thge issue or not?
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Old 07-05-2011, 05:06 PM
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I havent noticed the surge at all since the update, still having the 2-3 shift flare though.
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