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Old 01-07-2011, 02:13 PM   #3 (permalink)
Daox's Avatar
Join Date: Dec 2007
Location: Germantown, WI
Posts: 11,184

CM400E - '81 Honda CM400E
90 day: 51.49 mpg (US)

Daox's Grey Prius - '04 Toyota Prius
Team Toyota
90 day: 49.53 mpg (US)

Daox's Insight - '00 Honda Insight
90 day: 64.33 mpg (US)

Swarthy - '14 Mitsubishi Mirage DE
90 day: 56.69 mpg (US)
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Welcome to the site.

I'd definitely look into what is causing the bad mileage on the Camry. I wouldn't even waste time doing aero mods until it is fixed.

As for the F250, that will be an interesting one. If you use it mainly as a tow rig, you'll probably benefit as much if not more from modifying your trailer than the truck itself.

Instrumentation is an excellent place to start. For the camry (which I assume isn't OBDII compliant) your best option is the probably the mpguino which was developed by a user here on EM. For the other two there are numerous devices to use. Most people use the scangauge II, but the ultra gauge seems to be a popular (and inexpensive) up and comer.
Current project: A better alternator delete
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