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Old 03-29-2010, 01:08 PM   #3 (permalink)
EcoModding Lurker
Join Date: Mar 2010
Location: lowell, ma
Posts: 13
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Thanks, I looked around and got a good deal at Sears on Michelin Primacy MXV4 tires. Didn't alter the tire pressure from the Sears install and I already notice a gain of 2 to 4 mpg!

Possible next steps (might do a controlled test this time):

a) increase tire pressure
b) smooth wheel covers
c) partial front grille block
d) rear wiper blade delete
e) reduce air gaps around lights, hood, etc.

I will post a pic of the vehicle in my next post... I don't have enough posts yet to do it!
2004 Hyundai Elantra GT Hatchback bought 3/9/10
3/10/10--27.5 MPG on a 19 mile ride r/t through the burbs
3/14/10--32MPG hwy, 30mi test after new spark plugs
3/22/10--35MPG hwy after new Michelin Primacy MXV4 tires
3/28/10--38MPG, 80mi test most hwy using hypermiling
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