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Old 12-17-2020, 12:10 AM   #2 (permalink)
Master EcoModder
Ecky's Avatar
Join Date: Dec 2011
Location: Vermont
Posts: 4,373

Gaptooth (retired) - '00 Honda Insight
Team Honda
Gen-1 Insights
90 day: 54.26 mpg (US)

Such Fit - '07 Honda Fit Sport
90 day: 41.27 mpg (US)

Connect - '15 Ford Transit Connect XL
90 day: 21.26 mpg (US)

K-sight - '00 Honda K-sight
Team Honda
90 day: 43.14 mpg (US)

Aerocivic - '92 Honda Civic CX
90 day: 64.49 mpg (US)
Thanks: 2,201
Thanked 1,959 Times in 1,236 Posts
Tires, air dam and synthetic fluids all sound spot-on.

I'm no diesel tuner, but my reading has suggested most diesels have severely power- and economy-compromised tunes, because there's a very large tradeoff with emissions (think back to the VW TDi scandal). Tuners (as I understand) mainly adjust injector timing to get these gains. It's not something you can do easily without a dyno, but these trucks are old enough that the changes to be made are extremely well documented and you should see large improvements with a canned tune.
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