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Old 09-17-2019, 06:55 PM   #1 (permalink)
EcoModding Lurker
Join Date: Jun 2010
Location: Henry, VA
Posts: 46

The Little Car - '00 Chevrolet Metro
90 day: 91.08 mpg (US)

The Big Car - '94 Chevrolet Caprice Wagon
90 day: 44.9 mpg (US)
Thanks: 9
Thanked 98 Times in 25 Posts
90 day average over 90 MPG

In the 70 MPG challenge thread, back in July, I wrote this:

Originally Posted by funkhoss View Post
My goal was to get our 90-day average up over 90 this summer. Last summer it was 88. I've still got a month or two of hot weather left this year, but I'm not sure I'll get there.
Well...we did it! The current 90-day average for the "little car" is 91.08 MPG.

I gave my wife (and myself) a pep talk shortly after I posted that, we've both focused on doing our best since then...and it paid off.

I was just really excited after filling up this afternoon, and wanted to share.

Next goal: get through this winter without any tanks below 70 MPG.



Last edited by funkhoss; 09-17-2019 at 11:27 PM..
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Old 09-17-2019, 07:00 PM   #2 (permalink)
Daox's Avatar
Join Date: Dec 2007
Location: Germantown, WI
Posts: 11,031

CM400E - '81 Honda CM400E
90 day: 58.68 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)
Thanks: 2,354
Thanked 2,422 Times in 1,465 Posts
Wow, that's very impressive.
Current project: Adding regenerative braking to the Mirage
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Old 09-17-2019, 07:06 PM   #3 (permalink)
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mpg_numbers_guy's Avatar
Join Date: Feb 2018
Location: Michigan/Virginia
Posts: 1,160

Insight - '06 Honda Insight MT
Team Honda
Gen-1 Insights
90 day: 81.29 mpg (US)

Mom's Prius (my driving) - '08 Toyota Prius
Team Toyota
Last 3: 60.96 mpg (US)

Insight Delivery Driving Log - '06 Honda Insight MT
90 day: 70.7 mpg (US)
Thanks: 274
Thanked 380 Times in 290 Posts
Way to go!! Do you have a current list of mods or a current picture of your car with mods? Ar you using a Scangauge or other fuel economy instrumentation?

My goal is to maintain at least 80 MPG this winter; the real kicker will be in December when I'm in Michigan. Virginia is really nice for hypermiling, if you can stay out of the mountains. Plenty of EOC opportunities. With your lowest tank still bring in the 60s, with your MPG trend I feel confident you should be able to keep above 70 mpg this winter.
2006 New Formula Red Honda Insight MT, 267k: (Build thread)
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Old 09-18-2019, 09:25 AM   #4 (permalink)
EcoModding Lurker
Join Date: Jun 2010
Location: Henry, VA
Posts: 46

The Little Car - '00 Chevrolet Metro
90 day: 91.08 mpg (US)

The Big Car - '94 Chevrolet Caprice Wagon
90 day: 44.9 mpg (US)
Thanks: 9
Thanked 98 Times in 25 Posts
I've attached a pic of the car that I took this morning.

From the factory, it had basically no options--no A/C, manual steering, etc. We bought it in 2010 with 43,000 miles; it now has 241,000 miles. The engine (head and bottom end) has not been rebuilt.

The mods are pretty straightforward--nothing too radical. They include:
-XFi cam
-Swift 3.52:1 transmission
-Ignition timing advanced 5 degrees
-Kill switch
-Auxiliary brake vacuum reservoir (for more/longer brake assist during EOC)
-Deep cycle battery
-LED headlights and exterior lights
-Bridgestone RE92 tires, inflated to 52 PSI, on 90's Accord wheels
-Roof painted with reflective white paint (for interior heat reduction)
-Llumar Air 80 "clear" window tint (for interior heat reduction)
-Engine coolant and oil heaters (for winter use)
-Trailer hitch
-Grill block with removable inserts
-Air dam
-Smooth wheel covers
-Rear wheel skirts

...and a whole lotta torque on the nut behind the wheel.

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Old 09-19-2019, 10:42 AM   #5 (permalink)
EcoModding Apprentice
Join Date: Jul 2015
Location: Louisiana
Posts: 145
Thanks: 36
Thanked 44 Times in 36 Posts
Funkhoss, that's really squeezing the pump!


And your getting 44.9 mpg out of a big ole '94 Chevrolet Caprice Wagon is just as incredible.

You've obviously mastered the art of the ecomodder!
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Old 10-14-2019, 05:25 AM   #6 (permalink)
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Join Date: Jan 2018
Location: Atlanta, GA
Posts: 27
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Thanked 2 Times in 2 Posts
Impressive work!
Can't find a better muffler for off-road use than borla exhaust
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Old 10-14-2019, 11:13 PM   #7 (permalink)
deluxx's Avatar
Join Date: Apr 2018
Location: Baltimore
Posts: 122

Green - '96 Honda Civic LX
90 day: 44.72 mpg (US)
Thanks: 85
Thanked 36 Times in 31 Posts
Wow so cool looking mods! I need to make a skirt like that!

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