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Old 01-24-2010, 05:36 PM   #32 (permalink)
orange4boy
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Join Date: Aug 2008
Location: The Wet Coast, Kanuckistan.
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The Golden Egg - '93 Toyota Previa DX
90 day: 31.91 mpg (US)

Chewie - '03 Toyota Prius
90 day: 57 mpg (US)

The Spaceship - '00 Honda Insight
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Edit: These tests include the engine coolant preheat and the transaxle preheat. I will do some runs to separate out the gains from the transaxle preheat later.

This morning, I ran with no preheat. Everything at ambient: 7˚C

1 run@ 6.0 L/100 ambient 7˚ OAT
2 runs@ 5.1 with preheat 7˚ OAT
15% better with both engine and transaxle coolant preheat on a tiny sample size. Not conclusive but encouraging.

(Previous average was 6.3 cold, but that was before getting new tires so I'm starting new figures.)
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Last edited by orange4boy; 01-24-2010 at 05:52 PM..
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