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Old 08-23-2013, 04:23 PM   #1 (permalink)
ankit
Weight Reduction
 
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Join Date: Feb 2008
Location: VA
Posts: 313

4x4 - '06 Nissan Altima 2.5 Special Edition
90 day: 29.04 mpg (US)

Mom's Van - '99 Plymouth Voyager SE
90 day: 25.62 mpg (US)
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Wheel height's effect on engine speed?

Hey guys,

Long time no see. I've been attempting to hypermile (somewhat successfully) on my work commute but I generally just ride my bike for local commuting (hence why I don't post much on here anymore).

Anyway, my Altima is geared poorly for highway speeds (on top of that it is a 4 speed auto). So when I'm going 60-65 or so on the highway, the engine revs pretty high (2500-2700 IIRC). I was able to get my hands on some lighter taller rims and was wondering if that might help drop the revs a little (I searched but couldn't find much on my specific question).

Old OEM rims: 16"-about 23 lbs without tires
New rims: 18"-18.2 lbs without tires

I'm assuming the lower profile tires on the 18" will weigh less than the taller tires from the OEM rims.

Thanks for the help eco-bros

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