Planning custom front air dam - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 22 (permalink) Old 01-16-2015, 12:03 AM Thread Starter
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Planning custom front air dam

I've got a 99 SC LB 7.3 4x4 f250. Unloaded and empty hwy cruising I'm getting 18-19MPGs I'm looking to get that up as high as possible. So reading some stickys in this section air getting under the truck creates a bit of drag. I don't know a thing about aerodynamics other than it can make a truck look goofy. So I was thinking about making an air dam that's removable or get real fancy and do retractable with hydraulic arm or just a hinge fold up. I'm thinking maybe two or three inches off the ground and only use it on the highway. Does any body have any suggestions for material? Maybe just thick rubber pad or plastic? Or a steel/aluminum frame wrapped in vinyl.

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post #2 of 22 (permalink) Old 01-16-2015, 12:10 AM
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Re: Planning custom front air dam

for reference and out of memory

the 08's first came out with a small lower valance
then they went to a massive one and at the same time the MPG was supposed to have gained 1-2 mpg

but I have no clue if there is a limit to how far you can go and still see any benefits

guess a wind tunnel would be the only way to see

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post #3 of 22 (permalink) Old 01-16-2015, 02:48 AM Thread Starter
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Re: Planning custom front air dam

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Originally Posted by Zmann View Post
for reference and out of memory

the 08's first came out with a small lower valance
then they went to a massive one and at the same time the MPG was supposed to have gained 1-2 mpg

but I have no clue if there is a limit to how far you can go and still see any benefits

guess a wind tunnel would be the only way to see
Lol I have zero access to a wind tunnel. And the price I'd pay to use one would probably out weight any possible savings on MPG I'd get with this truck. Unless I make this and people are like wow that's cool make me one then I start a production plant and do research and buy my own wind tunnel but that won't happen.

"They make the dollar, I make the dime. That's why I poop on company time"
L99 F-250 superduty SC LB 4x4
7.3l powerstroke diesel
Swamp's 175/146 singles
Zf-6 speed gear grinder
Cooper ATP all terrains

1995 Jeep grand Cherokee swapped 5 spd
1984 Yamaha 225dx three wheeler
1983 Yamaha xt200
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post #4 of 22 (permalink) Old 01-16-2015, 05:17 PM
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Re: Planning custom front air dam

i was not suggesting you actually implement a wind tunnel

nor would I think there be a market for a valance of any type let alone one that command the price to justify the a controlled environment MPG test

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post #5 of 22 (permalink) Old 01-16-2015, 05:29 PM
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Re: Planning custom front air dam

Or, if you're like most of us, you just enjoy the tinkering aspect and your satisfaction comes from knowing you did it, not from the gained MPG.
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post #6 of 22 (permalink) Old 01-16-2015, 06:15 PM
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Re: Planning custom front air dam

agreed like the Zoodad mod
probably more bad than good but it was fun to do

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post #7 of 22 (permalink) Old 01-16-2015, 08:12 PM Thread Starter
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Re: Planning custom front air dam

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Or, if you're like most of us, you just enjoy the tinkering aspect and your satisfaction comes from knowing you did it, not from the gained MPG.
That's why I'm talking about a hydraulic or something rather. I like making things like that. I mean wouldn't it be cool to hit a button and have a big old valance come down?

BTW what's a zoodad?

"They make the dollar, I make the dime. That's why I poop on company time"
L99 F-250 superduty SC LB 4x4
7.3l powerstroke diesel
Swamp's 175/146 singles
Zf-6 speed gear grinder
Cooper ATP all terrains

1995 Jeep grand Cherokee swapped 5 spd
1984 Yamaha 225dx three wheeler
1983 Yamaha xt200
1979 Kawasaki KZ-650
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post #8 of 22 (permalink) Old 01-17-2015, 02:13 PM
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Re: Planning custom front air dam

"cool air" intake mod. Do a quick google and you'll see. No verifiable data that it does anything for your truck other than make it a little more noisy. lol
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post #9 of 22 (permalink) Old 01-17-2015, 03:57 PM
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Re: Planning custom front air dam

2wd conversion I'd guess, and a gear swap. First option is ridiculous, but the gear swap would help. My regular cab 2wd bone stock gets 19 and change hand calculated, mixed in town driving.

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post #10 of 22 (permalink) Old 01-17-2015, 05:16 PM
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Re: Planning custom front air dam

2wd conversion ?

like cutting the trucks balls off

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