wastegate delete does this wrok - Ford Powerstroke Diesel Forum
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post #1 of 18 Old 11-03-2011, 03:34 PM Thread Starter
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wastegate delete does this wrok

im just wondering if unplugging the red line from my wastegate really gives it more power or not. i had my unplugged and took it to a diesel shop to have a fuel leak fixed and they told me not to do that. they said it does nothing. i also seen a guy on here have a dyno sheet with it plugged and unplugged and the hp was the same. it made no power. so why does everybody say unplug it?


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post #2 of 18 Old 11-03-2011, 06:45 PM
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I'm seeing 4 more psi on my truck under hard throttle with the wastegate control line disconnected.
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post #3 of 18 Old 11-03-2011, 07:11 PM Thread Starter
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yes the red line


94.5 f350 dually
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post #4 of 18 Old 11-03-2011, 07:38 PM
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It will not give you any more power. Maybe a LITTLE more boost (esp. if the actuator is weak) but no increase in power. For that, you need to ad fuel.



2005 Lariat CCSB F-350 SRW
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post #5 of 18 Old 11-03-2011, 10:56 PM
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Mines been unplugged for years, the guys at the shop have no idea what they're talkin about... doesnt hurt a thing.
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post #6 of 18 Old 11-04-2011, 05:15 AM
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are these the same guys that sold you the mods in your sig? they must read alot of diesel power mag
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post #7 of 18 Old 11-04-2011, 09:04 AM
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it wont hurt anything?+ more boost? more info please!!

k&n/6637 filter,PHP TUNED,4'' turbo back,foil delete and 6.0 tranny cooler.. AKA Rebecca
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post #8 of 18 Old 11-05-2011, 07:19 PM
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The red line comes from the electronic gizmo on the spider that helps the PCM control boost levels on a stock truck. Can't remember the name of it right now...

Anyway, on a tuned truck boost is going to go to whatever the tuner set as a "limit" (usually no limit) before the PCM starts trying to control it.

However, unless you've installed something like Dieselsite's wastegate actuator, or taken yours off and chopped the rod to prevent any movement, than backpressure is still gonna push the gate open from the "bottom" and you'll lose pressure that way.

The red line is an assist. It won't hurt a thing to remove it. I don't have the red line, the green line, or the electronic wastegate assist anywhere on my truck.

But I wouldn't really expect removing it do much other than neaten up the engine bay.
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post #9 of 18 Old 11-06-2011, 04:05 PM Thread Starter
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ok thanks. everybody says it does different things


94.5 f350 dually
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post #10 of 18 Old 11-06-2011, 04:07 PM
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Unplugging it keeps the wastegate from opening, allowing the turbo to build a little more boost than it does from the factory. That is it. It doesn't ad power, and serves no purpose on a stock truck.



2005 Lariat CCSB F-350 SRW
300,000 miles and going strong

Exterior
12" fabtech lift with 40" Xterrain's on M/T classic locks, Adjustable track bar, Bilstein 7100 reservoir shocks

Performance
Edge juice/attitude CTS, SCT with ID tunes, Snow meth. injection, Diamond eye 4" exhaust, 03 turbo, ARP studs, Sinister coolant filter

Interior
2010 stone seats/console, pioneer avic d3 with backup camera/bluetooth

Misc.
Viair 450c compressor, dual 2.5 gallon tanks, air horns rated @115db
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