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1999 to 2003 7.3L Power Stroke Diesel
7.3L Power Stroke Diesel equipped Super Duty and Excursion.


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Old Thu, May 6th, 2010, 11:40 AM
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907DAVE 907DAVE is offline
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Great!

Thanks for clearing that up for me, I was not sure as I have not had much experience with the stock turbo's.
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Old Thu, May 6th, 2010, 02:52 PM
epowers777 epowers777 is offline
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Which way does the flap need to be (closest to actuator or farther) I think now its closer. i would like to just wire it shut so it cant open is that ok to do?

Also can someone help me get the part numbers for the exhaust donuts for the up pipe. They are leaking. One of the exhaust hangers cam undone so the weight of the echaust was hanging on the turbo. I need all 4 donuts upper and lower for the up pipe. Kragen or Napa had do idea what I was talking about. Both the parts guys asked what a powerstroke was!
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Old Thu, May 6th, 2010, 03:07 PM
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You want the rod as short as you can get it, tighten it down as much as you can then use compressed air in the actuator port to hook it back up to the gate.

Remember, more boost does not always mean more power.

For the doughnuts you will only need 2, the lowers are a flared type connection.

Go to your Ford dealer for those.
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Old Thu, May 6th, 2010, 03:40 PM
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To get the wastegate actuator rod as short as it needs to be, you'll have to trim about 3/8" off of the threaded rod.

Yes, the Ford dealer will have the donuts...and they're pretty cheap. My money says you might as well buy new pipes as well because they'll actually be worn out where the donuts ride and they won't seal even with new donuts.
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Tuning, PCM flashing, and burning chips for 7.3s since 2008. Repairing all aspects of 7.3L Powerstrokes for 25 years.
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Old Fri, May 7th, 2010, 12:15 PM
epowers777 epowers777 is offline
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On the turbo what is that exhaust flap for on the exhaust side?
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Old Fri, May 7th, 2010, 12:43 PM
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It is a warm-up valve.

When engine is cold the computer will close that valve in an attempt to keep some heat in the engine for faster warm-up times and reduced emissions.

Some guys are using that valve as a exhaust brake, though I am not sure how effective this is. I do know this can create added backpressure and you run the risk of floating exhaust valves.
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Old Sat, May 8th, 2010, 04:45 AM
epowers777 epowers777 is offline
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Do we really need it? Does it restrict flow and can you kit it off?
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