cold air intake idea
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Junior User
Joined: Dec 2009
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cold air intake idea
Yall tell me what you think of this. I really like the fender vents on the new Super Dutys and was thinking of trying to add a set to my truck and run my intake over to it.
I like fabbing things up and thought it would be a little different. Not sure how functional it would be. I work at a body shop so metal work and paint is not a problem. Im actually going to paint it soon anyway.
I like fabbing things up and thought it would be a little different. Not sure how functional it would be. I work at a body shop so metal work and paint is not a problem. Im actually going to paint it soon anyway.
Fleet Owner
Joined: Jul 2006
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From: Mi'kma'ki
that wouldn't help much there.if anything it may try and pull air,rather then force it in.
they aren't functional for anything on the SD's are they? (if so,id guess they would expel heat if anything.)
the wheel wells are a high pressure area though.but you would want a 100% street truck and not be be in a dusty location to do it.otherwise clean your air filter every two days or so lol.
they aren't functional for anything on the SD's are they? (if so,id guess they would expel heat if anything.)
the wheel wells are a high pressure area though.but you would want a 100% street truck and not be be in a dusty location to do it.otherwise clean your air filter every two days or so lol.
Senior User
Joined: Dec 2007
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I've thought about that too, but its the "powerstroke" badging that threw me off....i havent looked at one really close but i dont think it would hurt, i've seen plenty of kenworths ad IHC's that pull from fender vents. maybe run a intake system like the early mustang gt's (85?) pulling from both sides.
Elder User
Joined: Apr 2002
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From: West Bend
You could use a trick some people in aviation use. Cut a bunch of 2 or 3 inch long strings (yarn works good as it's light weight and big enough to easily be seen. Then tape them onto the fender (or other area) that you're interested in looking at.
If the pigtails fly forward, you've got reversed air flow
If the pigtails fly backward, you've got rearward flow
If they twirl about randomly you've got turbulent flow
If they just smash up tight against the fender you should have some pressure against it.
I have a video tape by Jim Beode on the aerodynamics of automobiles. In it he explains them big RV motorhomes could benefit from improved mileage if they would attach some 3 or 4 foot diameter parachutes by the drivers/passenger doors because of the reversed air flow off the the big flat front. The air flow is reversed and a parachute of sorts would catch the air and help move it along!
Chris
If the pigtails fly forward, you've got reversed air flow
If the pigtails fly backward, you've got rearward flow
If they twirl about randomly you've got turbulent flow
If they just smash up tight against the fender you should have some pressure against it.
I have a video tape by Jim Beode on the aerodynamics of automobiles. In it he explains them big RV motorhomes could benefit from improved mileage if they would attach some 3 or 4 foot diameter parachutes by the drivers/passenger doors because of the reversed air flow off the the big flat front. The air flow is reversed and a parachute of sorts would catch the air and help move it along!
Chris
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Lead Driver
Joined: Dec 2002
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From: Kuna ID
Usually side vents like that are intended for extracting hot air from the vehicle. As far as my limited knowledge of aerodynamics can take me, I dont see it working without some kind of scoop. The yarn test would be a good place to start though.
Elder User
Joined: Feb 2010
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Side vents are cool looking..but I'm with everyone else I don't know if they would make a good air intake....the best place for an air intake would either been in the fender wells or behind your grill....if you still want to do the side vent then go for it they would look awesome and help cool down your engine bay and just by doing that it would make your engine run a little better.
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Junior User
Joined: Dec 2009
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I've decided Im going to put the super duty vents in but Im also going to make some recessed scoops in the front of the fender. Worst thing can happen is it looks like a$$ and I have to get new fenders.
Posting Guru
Joined: Aug 2006
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From: Perry Georgia
I had a friend tell me of a setup that used the grill in front of the windshield to force air down into the engine compartment. Somebody up north sells the whole setup. Only problem was that it also forced water back down into the intake when it rained.
Cargo Master
Joined: Mar 2006
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From: Sand GAp, KY
I am running a homemade cowl intake setup. On the earlier trucks (83-86) the cowl louvers may be to large and allow water in. But on the 87-(1 ay least they are just small round holes and don't seem to allow the water in in any large amount. I have driven at highway speeds in the pouring rain for the last tear and haver had no ill effects. I think it is also giving some boost pressure at speed. I have done some experimenting and with the outside air vent closed I have less smoke when I mash the throttle at highway speeds than with it open (allowing air into the cab). It also gives me about 1-2 mpg better with it all going in to the engine. I know this because after it has gotten warmer out I no longer use the vent air for low heat lol. Now that is closed up my mileage has went back up to about 18mpg from 16.