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Old 02-12-2011, 02:48 PM   #1
Btgrah01
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Fog light ram air

so one of my fog lights is cracked on the svt... being bored today, i decided to turn my fog lights into air ducts, and direct the air into the air intake box.
i used some dryer tube and (2) 4 to 3 inch rubber reducers.
i did this cuz my fog lights were busted anyways, just to try it out

engine bay. hoses converge into a T style fitting, and then is directed up into where the snorkel connects.



underneath (driver side front bumper. closest tube goes to drivers side fog)



front shot



well, i noticed a bit more pull on the highway, not a ton, but a decent amount.


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Old 02-12-2011, 04:00 PM   #2
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Nice mod, I like it a lot. I think that I would put some kind of a grill over the opening, it would protect them from stuff going into the intakes, and I think it would look better too.
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Old 02-12-2011, 04:03 PM   #3
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^ yea sum protection
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Old 02-12-2011, 04:30 PM   #4
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you might be better off with just one so thet dont fight eachother. I really like the idea, maybe some black paint ?
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Old 02-12-2011, 04:47 PM   #5
Kal-EL428
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Sweet idea!!
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Old 02-12-2011, 05:14 PM   #6
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Though your heart is in the right place, 'ram air' is more of a myth than anything.
IIRC I've explained why on this site before so I'll just sum up why (if it wasn't hear it was on FJ under username FordFociSHO).

Basically you have to look at the intake air speed W/O 'ram air' which is around 400 FPS in the intake runners and about 100 FPS in the main intake duct.
60 MPH is 88 FPS.
So realistically you'd have to be traveling above most all legally posted road speeds for 'ram air' to become effective at all. And if it's a 'racing mod' the question of what type of racing and duration of effectiveness comes into play. Short road course it'll do nothing, 1/4 mile it'll only work for the last 250' or so.
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Old 02-12-2011, 05:20 PM   #7
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you could use it too funnel more air into your header.....
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Old 02-12-2011, 05:38 PM   #8
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Quote:
Originally Posted by iminhell View Post
Though your heart is in the right place, 'ram air' is more of a myth than anything.
IIRC I've explained why on this site before so I'll just sum up why (if it wasn't hear it was on FJ under username FordFociSHO).

Basically you have to look at the intake air speed W/O 'ram air' which is around 400 FPS in the intake runners and about 100 FPS in the main intake duct.
60 MPH is 88 FPS.
So realistically you'd have to be traveling above most all legally posted road speeds for 'ram air' to become effective at all. And if it's a 'racing mod' the question of what type of racing and duration of effectiveness comes into play. Short road course it'll do nothing, 1/4 mile it'll only work for the last 250' or so.
i only put ram air because i felt that "moderately pressurized cold air intake" was a bit lengthy. my goal was to direct some "colder air" through the fog light holes into the air intake. wasn't trying to claim any new kind of ram air, thats just what i happened to title it.

thanks for the info on the whole myth of the idea. thats cool that its been put to the test.
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Old 02-12-2011, 07:23 PM   #9
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This is what I have for my CAI a fog light cover without the light mine did not come with fog lights.


Airfilter is rigth at the opening to
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Old 02-12-2011, 08:19 PM   #10
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^sweet dude!
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