New intake = less MPG?
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Freshman User
Joined: Sep 2004
Posts: 25
Likes: 0
From: Inverness Florida
New intake = less MPG?
I purchased and installed an AEM Brute Force intake system on my ’06 F-350. The system for this truck does not include the heat shield. I noticed the turbo spools up quicker off the line, which is great, but I lost mpg. It runs 1-2 mpg less around town and I lost 2mpg on the highway. I ran the same route round trip across the state at the same speeds and driving style. The only difference was the truck was loaded less for the trip with the new intake.
Am I wrong for expecting more mileage? I checked their website and it basically says it helps 10% over a dirty filter. My factory one was still pretty clean.
Should I have disconnected the batteries to reset the computer?
Would a heat shield help? The website says the product for this truck gets no benefit from a shield or box so it is not included.
I noticed the sealed end of the filter is right up against the hole through the radiator support that the stock filter went through to get colder air. Maybe I need to open up this area for more cold air from the front of the truck? Any other thoughts? Thanks in advance.
Am I wrong for expecting more mileage? I checked their website and it basically says it helps 10% over a dirty filter. My factory one was still pretty clean.
Should I have disconnected the batteries to reset the computer?
Would a heat shield help? The website says the product for this truck gets no benefit from a shield or box so it is not included.
I noticed the sealed end of the filter is right up against the hole through the radiator support that the stock filter went through to get colder air. Maybe I need to open up this area for more cold air from the front of the truck? Any other thoughts? Thanks in advance.
Thread Starter
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Freshman User
Joined: Sep 2004
Posts: 25
Likes: 0
From: Inverness Florida
I guess I'm out of luck?
Mark, am I just SOL thinking it would help my mileage then? Is there anything I can do or do I need to replace it with a different intake to up the mpg and performance? I know it’s a different animal entirely but the K&N cold air intake on my wife’s Daytona gave us about 3 to 4 mpg and a nice seat of the pants feel.
Fleet Mechanic
Joined: Jun 2006
Posts: 1,589
Likes: 20
Probaby the MAF
I bought a JOBE intake primarily because it comes with a recalibrated MAF matched to the inlet tube flow for the 6.0L PSD. I believe (and some will say I'm smokin dope) the reason you get less mileage with a lot of the AM intakes is they throw the OEM MAF out of cal since there is more airflow to the MAF then the OEM intake allows. I just did a 400 mile round trip on flat land and got 20.5 MPG. I did a 2000 mile round trip back in November and got 19.7 MPG down and and 20.2 MPG back. I do have several mods and a tuner but I have always got good mileage with my X.
My turbo whistle turns heads and at idle I have been told my exhaust sounds like a small jet engine running and it does. I LOVE IT!!!!
DSMMH
My turbo whistle turns heads and at idle I have been told my exhaust sounds like a small jet engine running and it does. I LOVE IT!!!!
DSMMH
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Laughing Gas
Joined: Nov 2006
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Originally Posted by DSMMH
My turbo whistle turns heads and at idle I have been told my exhaust sounds like a small jet engine running and it does. I LOVE IT!!!!
DSMMH
DSMMH
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Fleet Mechanic
Joined: Jun 2006
Posts: 1,589
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Originally Posted by WishIhada7.3
how much louder is it than stock??
DSMMH
Laughing Gas
Joined: Nov 2006
Posts: 909
Likes: 0
Originally Posted by DSMMH
My turbo whistle turns heads and at idle I have been told my exhaust sounds like a small jet engine running and it does. I LOVE IT!!!!
DSMMH
DSMMH
Fleet Mechanic
Joined: Nov 2004
Posts: 1,427
Likes: 10
From: Templeton, Massachussetts
Originally Posted by JD Dixon
I purchased and installed an AEM Brute Force intake system on my ’06 F-350. The system for this truck does not include the heat shield. I noticed the turbo spools up quicker off the line, which is great, but I lost mpg. It runs 1-2 mpg less around town and I lost 2mpg on the highway. I ran the same route round trip across the state at the same speeds and driving style. The only difference was the truck was loaded less for the trip with the new intake.
Am I wrong for expecting more mileage? I checked their website and it basically says it helps 10% over a dirty filter. My factory one was still pretty clean.
Should I have disconnected the batteries to reset the computer?
Would a heat shield help? The website says the product for this truck gets no benefit from a shield or box so it is not included.
I noticed the sealed end of the filter is right up against the hole through the radiator support that the stock filter went through to get colder air. Maybe I need to open up this area for more cold air from the front of the truck? Any other thoughts? Thanks in advance.
Am I wrong for expecting more mileage? I checked their website and it basically says it helps 10% over a dirty filter. My factory one was still pretty clean.
Should I have disconnected the batteries to reset the computer?
Would a heat shield help? The website says the product for this truck gets no benefit from a shield or box so it is not included.
I noticed the sealed end of the filter is right up against the hole through the radiator support that the stock filter went through to get colder air. Maybe I need to open up this area for more cold air from the front of the truck? Any other thoughts? Thanks in advance.