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Old 02-11-2013, 04:35 PM   #4 (permalink)
Jyden
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Join Date: Jan 2010
Location: Denmark, Europe
Posts: 338

Enduro E-bike - '11 PowerPedals Enduro
90 day: 2236 mpg (US)

Jota - '14 Toyota Yaris Hybrid H1
90 day: 53.11 mpg (US)
Thanks: 138
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Quote:
Originally Posted by BlueCruxHF View Post
Im still a bit confused on how the warm air benefits the mpg....shouldnt it hurt overall? Cold air is more dense, of course and produces more hp, seems like you would gear down less with more hp...

Seems like my 88' HF has the worlds easiest wai to assemble...just metal flex pipe it to the exaust shield and your done, but how does it work for mpg?
Warmer air fools the computer to open throttle valve more, cause less Oxygen in warm air.
Throttle valve is biggest restriction on a normal gas engine. Less restriction => less loss => better FE
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