2-3 MPG increase - Dodge Cummins Diesel Forum
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post #1 of 55 (permalink) Old 05-13-2009, 11:10 PM Thread Starter
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2-3 MPG increase

Hey.... i put a 2" leveling kit on my truck and lost 2 MPG so i made this spoiler/valence to accomidate for the lift, stock valence is roughly 4" + 2" leveling kit is well 6" but i made mine to 10"... still plenty of room to clear any curb i have seen... and i picked up almost 4 MPG with it!! that was the main reason for making it was to try and regain MPG that i lost with leveling kit, and it worked!!! so i figured if anyone else wants one i can make them one as well $350, $450 with LED's on it, i planned on putting LED's on mine but never got around to it yet

First couple pics are before i painted it then 1 of it painted but not on the truck... then the rest are of it painted and on the truck!! i love the thing! let me know if anyone wants one!!
















: 2003 Dodge 6 Speed, "THE DUALLY" Smarty TNT/MP-8, Stage 1 CP3, FASS 150/150, 295/75/17 Terra Grapplers, 2nd Gen Manifold, Triple Gauges(Oil Temp, Boost, EGT), BUMPS under the back seat! 135 MPH TESTED! SBC Iron Giant II!
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post #2 of 55 (permalink) Old 05-13-2009, 11:15 PM Thread Starter
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oh, and it will come with Stainless Hardware to install it as well!!

: 2003 Dodge 6 Speed, "THE DUALLY" Smarty TNT/MP-8, Stage 1 CP3, FASS 150/150, 295/75/17 Terra Grapplers, 2nd Gen Manifold, Triple Gauges(Oil Temp, Boost, EGT), BUMPS under the back seat! 135 MPH TESTED! SBC Iron Giant II!
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post #3 of 55 (permalink) Old 05-14-2009, 12:09 AM
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well, I have to say thats a neat/different idea for MPG. I know that I wouldn't have thought of that.

Kinda makes your truck look like it has a goatee

2007 5.9 2500 Mega Cab 4x4, Black. Willy's Whistler, 2nd gen Intake horn, Muffler MIA, AMP Tech Boards
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post #4 of 55 (permalink) Old 05-14-2009, 12:13 AM Thread Starter
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yeah, well thats one of the reasons why GM's get better MPG's than a ford/dodge.... a 4x4 GM/chevy sits lower to the ground than a 2x4 ford/dodge.... but yeah, air resistance and drag are HUGE!!!! on efficiency on a truck that size

: 2003 Dodge 6 Speed, "THE DUALLY" Smarty TNT/MP-8, Stage 1 CP3, FASS 150/150, 295/75/17 Terra Grapplers, 2nd Gen Manifold, Triple Gauges(Oil Temp, Boost, EGT), BUMPS under the back seat! 135 MPH TESTED! SBC Iron Giant II!
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post #5 of 55 (permalink) Old 05-14-2009, 02:47 PM
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what did u make it out of? it looks like it is bent steel 10 inch flat bar. looks good man. where r u from

'06 2500 mega cab Cummins, 4X4, 127,000 miles,less restrictive intake, edge ez, and a borrowed diablo preditor now gettin 17mpg in town...
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post #6 of 55 (permalink) Old 05-14-2009, 04:00 PM
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It's a cool idea; but I'm gonna pass on it, because of where I drive. Lot's of farm lanes for my regular job, and a lot of fields in the fall duck and goose hunting. I don't want to have to be tanking it on and off. You may sell more than a few though!!!!
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post #7 of 55 (permalink) Old 05-14-2009, 04:18 PM
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Looks like 1/4"x8 or 10 Flatbar rolled to match. Nice job, I work in a steel shop so now I think I'm gonna make up something like that too!!

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post #8 of 55 (permalink) Old 12-27-2009, 08:23 PM
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Has anyone else tried this to improve MPG? What about any other mod's to the aero?
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post #9 of 55 (permalink) Old 12-27-2009, 08:46 PM
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YO Andy...is that your idea???????

Did you weld that to your bumper or do you have brackets on there?

Hope you sell a couple.... i know you could use a few extra beans in your pocket.

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post #10 of 55 (permalink) Old 12-27-2009, 09:48 PM
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i suppose you could probably make it hinge somehow, to take up for rough ground. 4 mpg really? sounds pretty high. anyone else try anything like this.

2003 stock 250hp
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post #11 of 55 (permalink) Old 12-28-2009, 12:47 AM
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Put some side skirts, and undertray and a diffuser on that pig and watch what the MPG's do!

'05 2500 QC 4X4 SLT. Isspro gauges. K&N FIPK w/ Amsoil dry filter. Smarty S-06. Built 48RE. 315/70 Destination MT's. 2" leveling kit.
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post #12 of 55 (permalink) Old 12-28-2009, 09:27 AM
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What are those things?
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