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Old 01-27-2013, 06:05 PM   #1 (permalink)
EcoModding Lurker
 
Join Date: Jan 2013
Location: Denver, Colorado
Posts: 5

2009 NAH (slick) - '09 Nissan Altima
90 day: 45.99 mpg (US)
Thanks: 0
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Smile Hello from Colorado!

Hello everyone! I am a long time lurker but a first time poster here in Ecomodder.

I am an Electrical Engineer with a co owned consulting firm. I primarily became interested in ecomodding not necessarily for the reasons most people do. My reasons were because I used to do competitive track days and any aerodynamic and efficiency advantage that I was able to use netted quicker overall lap times. Not only because my speed around the course was faster, but because I was using less fuel in the process and I didn't need to pit as often.

My two track cars (which sadly I don't have any more) were a '95 BMW M5 and a '92 Mitsubishi 3000GT VR4. I kitted both of these cars with SuperMIDs, front air dams, deck lid extensions, and full under trays. And on the BMW with the high angle windshield I added a cowl cover that attached to the hood and ended just above the windscreen wipers to help decrease the high pressure area that develops there. I had to let both of these cars go due to the economy.

I now drive a 2009 Nissan Altima Hybrid, which has given me a lifetime average of 46mpg mixed, and my wife drives a 2009 Honda Civic Hybrid. I haven't made any modifications to the civic (my wife would probably kill me) but I have added a hot air intake and a grill block to my Altima. I plan on doing a full under tray on the Altima once summer sets in.


Anyways, I figured I would introduce myself instead of just lurking around forever.

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Old 01-27-2013, 07:49 PM   #2 (permalink)
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Join Date: Oct 2009
Location: Texas
Posts: 3,523

The Q Sold - '02 Infiniti Q45 Sport
90 day: 23.08 mpg (US)

blackie - '14 nissan altima sv
Thanks: 2,203
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Welcome!!
those are some nice avgs!

Have you increwased the psi in your tires?
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MetroMPG: "Get the MPG gauge - it turns driving into a fuel & money saving game."

ECO MODS PERFORMED:
First: ScangaugeII
http://ecomodder.com/forum/showthrea...eii-23306.html

Second: Grille Block
http://ecomodder.com/forum/showthrea...e-10912-2.html

Third: Full underbelly pan
http://ecomodder.com/forum/showthrea...q45-11402.html

Fourth: rear skirts and 30.4mpg on trip!
http://ecomodder.com/forum/showthrea...tml#post247938
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Old 01-27-2013, 07:57 PM   #3 (permalink)
EcoModding Lurker
 
Join Date: Jan 2013
Location: Denver, Colorado
Posts: 5

2009 NAH (slick) - '09 Nissan Altima
90 day: 45.99 mpg (US)
Thanks: 0
Thanked 0 Times in 0 Posts
I pumped up the tires as soon as I got home from the dealership, 44psi all around which is sidewall max on the tires.
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Old 01-27-2013, 08:03 PM   #4 (permalink)
Master EcoModder
 
mcrews's Avatar
 
Join Date: Oct 2009
Location: Texas
Posts: 3,523

The Q Sold - '02 Infiniti Q45 Sport
90 day: 23.08 mpg (US)

blackie - '14 nissan altima sv
Thanks: 2,203
Thanked 658 Times in 474 Posts
good job!I run 44 psi also
__________________
MetroMPG: "Get the MPG gauge - it turns driving into a fuel & money saving game."

ECO MODS PERFORMED:
First: ScangaugeII
http://ecomodder.com/forum/showthrea...eii-23306.html

Second: Grille Block
http://ecomodder.com/forum/showthrea...e-10912-2.html

Third: Full underbelly pan
http://ecomodder.com/forum/showthrea...q45-11402.html

Fourth: rear skirts and 30.4mpg on trip!
http://ecomodder.com/forum/showthrea...tml#post247938
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Old 01-27-2013, 09:59 PM   #5 (permalink)
EcoModding Lurker
 
Join Date: Jan 2013
Location: Denver, Colorado
Posts: 5

2009 NAH (slick) - '09 Nissan Altima
90 day: 45.99 mpg (US)
Thanks: 0
Thanked 0 Times in 0 Posts
Thanks, I'm trying everything I can think of. The 46MPG takes a ton of work to maintain.

I am working on overlaying the aerodynamic template on to a stock photo of my car. It looks decent, until you get to the end. Unfortunately I cannot post it here until I have 5 posts. I shall get there shortly.
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Old 01-27-2013, 10:31 PM   #6 (permalink)
EcoModding Lurker
 
Join Date: Jan 2013
Location: Denver, Colorado
Posts: 5

2009 NAH (slick) - '09 Nissan Altima
90 day: 45.99 mpg (US)
Thanks: 0
Thanked 0 Times in 0 Posts
I think it looks alright, aside from the steeper than I thought rear window angle.

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