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-   -   2008 Impala 3.5 LT. Remove Spoiler? (https://ecomodder.com/forum/showthread.php/2008-impala-3-5-lt-remove-spoiler-36536.html)

YukonCornelius 06-10-2018 04:49 AM

2008 Impala 3.5 LT. Remove Spoiler?
 
Hey guys. I recently picked up a clean Impala LT with 71,000 miles for $2500. Original owner passed away, it sat for 18 months in a garage. Right away I noticed it rewards driving for fuel economy. A 2.86 gear ratio with good low end torque from the pushrod 3.5. Being rather conservative, about 27-28mpg to a tank. A strong effort during a 100 mile trip with some traffic lights netted 33 mpg. It really seems to have a sweet spot at 67 mph.

So far I've bumped tire pressure to 41 psi (just under what trips the sensors).
Changed the trans-fluid to synthetic.
Modified the intake to pick up more hot air, but it is not a full WAI.

The car has a factory spoiler. It also has an unusual raked stance. The rear of the car is noticeably higher than the front. I took the photos in dark, I think it shows the angles a little better. Speed limiter kicks in at 102 so I won't be needing any extra down force.

https://preview.ibb.co/btKKf8/20180610_021431.jpg

https://preview.ibb.co/dBf37o/20180610_021445.jpg

Stock photos..

https://cdn04.carsforsale.com/3/6088...1024066990.jpg

No Spoiler

https://cdn04.carsforsale.com/3/4755.../956040640.jpg

19bonestock88 06-10-2018 10:20 AM

The spoiler on that likely isn’t hurting you much if any... it is pretty low and does angle up to the rear, reaching upward toward the “template shape”

niky 06-10-2018 11:38 AM

Most "stock" spoilers are designed to create no downforce and as little drag as possible. In some cases, they might even improve aerodynamics a bit.

mpg_numbers_guy 06-10-2018 12:21 PM

You could always do ABA testing to see the effect of your spoiler on your fuel economy.

YukonCornelius 06-10-2018 03:33 PM

Quote:

Originally Posted by mpg_numbers_guy (Post 571732)
You could always do ABA testing to see the effect of your spoiler on your fuel economy.


That would be tricky for me because I do not have a set driving routine.


Spoiler aside, does anyone think I would benefit from leveling rear suspension on the car? That would be a free mod.


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