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Old 06-06-2016, 01:32 PM   #33 (permalink)
hayden55
Master EcoModder
 
Join Date: Dec 2010
Location: USA
Posts: 1,171

Sport Utility Prius - '10 Toyota Prius II
90 day: 52.98 mpg (US)

300k Sequoia 4WD - '01 Toyota Sequoia Limited 4wd
90 day: 20.19 mpg (US)
Thanks: 352
Thanked 268 Times in 215 Posts
How many hwy rpm's are you turning currently. My closest example are muscle cars: GT500 and the Corvette with their big motors only turn 1600rpm to go 70mph. Most chevy LS cars are double overdrive. So 4th is 1:1, 5th is something like .86, the 6th is 0.5. So everything i've seen rpm is a heavy factor. Even the 50mpg civic CX only spins 2200rpm @ 70mph while my car with the same motor but different FD gear i'm spinning right under 3000 and barely getting 40mpg.
But yeah Ford gears are the same in just about everything so you can get 2.73 3.15. 3.33 3.55 3.73 3.90 4.10 4.30 4.56. Tons of choices lol
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