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Old 06-05-2009, 06:27 PM   #2 (permalink)
one of thOOOse people
Join Date: Mar 2009
Location: the cloud(s)
Posts: 293

twitchy - '98 honda civic dx + sir + ls
90 day: 30.2 mpg (US)

Norman - '14 Ford E-350 EXT
90 day: 15.07 mpg (US)
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Your easiest option is bigger tires, this will effectively raise your ratios. If you insist on a transmission mod look into Honda CRV FWD parts. I looked for a few minutes but did not see trustworthy ratio data on automatics but I know the CRVs transmission is the same design and will fit. I don't know if it has different ratios. There might be a way to mod your auto to shift manually.

Good luck
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