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Old 07-10-2013, 01:10 PM   #11 (permalink)
theCase
EcoModding Lurker
 
Join Date: Oct 2008
Location: WI
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I've got an '06 Corolla with an AT and have an average MPG of 40.40 tracked over 163,000 miles over 6 years So getting that kind of mileage is very doable. Here's my technique:
  • Pump up the tires to 40 PSI.
  • Place a corroplast air dam behind the upper grill piece along with a piece of corroplast to act as an air dam under front of the car.
  • Run a length of 3" flexi-vent pipe to act as a WAI drawing air directly behind the radiator.
  • Insulate the engine, I've got a piece of cardboard over the top of the engine to help retain heat/reduce warmup year round.
  • Block off the radiator to the point that water temps run around 195 degrees. This needs to be adjusted periodically.
  • Drive speed limit.

Most of the miles are highway as I commute 40 miles at 65 mph to work. The climate here is about 9000 DD so winter temps and snow has a definite toll, mileage in the winter drops to around 36 for me.

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