Hot Air
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Senior User
Joined: Jan 2007
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Hot Air
My 03 PSD is bone stock, with the exception of re-routing the PCV tube and while I was checking things around the other day I wounder if anyone has modified the air filter inlet by removing the plate that's directly in front of the air inlet housing? I'm not sure if the air path is the same on newer generation PSD.
If so, are there any ill effects such as water penetration or ?? by removing the plate.
It appears that there would be a straighter path for the air by removing the plate.
Also, have you ever wonder why folks purchase a cold air intake system for there PSD when the turbo will only heat it up again before entering the IC?
If so, are there any ill effects such as water penetration or ?? by removing the plate.
It appears that there would be a straighter path for the air by removing the plate.
Also, have you ever wonder why folks purchase a cold air intake system for there PSD when the turbo will only heat it up again before entering the IC?
Senior User
Joined: Oct 2006
Posts: 333
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From: Colorado
There is a recent thread about the Zoodad mod that may have some information that might interest you. I've not had any problems so far with water. There is alot of debate as to the effectiveness of such modifications. My thought is that any reduction in temperature of the air going in could only be beneficial.
https://www.ford-trucks.com/forums/6...in-issues.html
https://www.ford-trucks.com/forums/6...in-issues.html
Cargo Master
Joined: May 2002
Posts: 3,271
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From: Gulf Coast, FL
Good idea new guy!! Oh by the way it's called the ZOODAD mod. Named after another board's member that has a mind like yours.
There are TONS of posts about water intrusion with the ZOODAD. The good news is there seems to be very little water getting to the filter element after completing the mod. The biggest concern for some has been accumulation of snow that could block the intake. Go grab your trusty hole saw or dremel and start hacking. Go as big as you dare!!
Welcome................
There are TONS of posts about water intrusion with the ZOODAD. The good news is there seems to be very little water getting to the filter element after completing the mod. The biggest concern for some has been accumulation of snow that could block the intake. Go grab your trusty hole saw or dremel and start hacking. Go as big as you dare!!
Welcome................
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Ok sorry for the newbe question. But thanks for the great info.
In the case of PSD, or with any force air induction engine, I don't see the claims made by all those air filter manufactures of lowering air temperture as valid.
The Turbo will compress and heat the air no matter how cold the temperature of the air is at the inlet of the compressor.
Especially the claims of lowering EGT by installing a cold air induction?
In the case of PSD, or with any force air induction engine, I don't see the claims made by all those air filter manufactures of lowering air temperture as valid.
The Turbo will compress and heat the air no matter how cold the temperature of the air is at the inlet of the compressor.
Especially the claims of lowering EGT by installing a cold air induction?
Postmaster
Joined: Jan 2005
Posts: 4,743
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From: Peoria, IL
While the turbo will heat the air up as it compresses it, starting with cooler air will still get you cooler air after the compression cycle. Theoretically speaking if you feed the turbo air at 100 degrees it may come out at 300, if you can lower your temperature going into the turbo to 75 degrees it will come out of the turbo at 275. While I am sure that these numbers are probably not anywhere near accurate, and I doubt that the heating would be that linear, I think you can understand what I am saying.
