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Old 09-17-2019, 05:55 PM   #1 (permalink)
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Join Date: Jun 2010
Location: Henry, VA
Posts: 67

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: 10
Thanked 122 Times in 32 Posts
90 day average over 90 MPG

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

Quote:
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.

-Funkhoss

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Last edited by funkhoss; 09-17-2019 at 10:27 PM..
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Old 09-17-2019, 06:00 PM   #2 (permalink)
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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
Mitsubishi
90 day: 56.69 mpg (US)
Thanks: 2,442
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Wow, that's very impressive.
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Old 09-17-2019, 06:06 PM   #3 (permalink)
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Location: Michigan/Virginia
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Insight - '06 Honda Insight MT
Team Honda
Gen-1 Insights
90 day: 88.27 mpg (US)
Thanks: 302
Thanked 429 Times in 329 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.
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Old 09-18-2019, 08:25 AM   #4 (permalink)
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Join Date: Jun 2010
Location: Henry, VA
Posts: 67

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: 10
Thanked 122 Times in 32 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:
-Scangauge
-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
-Kammback

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

-Funkhoss
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Old 09-19-2019, 09:42 AM   #5 (permalink)
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Funkhoss, that's really squeezing the pump!

Congratulations!

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, 04:25 AM   #6 (permalink)
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Impressive work!
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Old 10-14-2019, 10:13 PM   #7 (permalink)
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Location: Baltimore
Posts: 180

lil-green - '96 Honda Civic LX
Team Honda
90 day: 49.27 mpg (US)
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Wow so cool looking mods! I need to make a skirt like that!
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Old 06-07-2020, 03:15 PM   #8 (permalink)
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Join Date: Mar 2011
Location: Coastal Southern California
Posts: 6,092

Black and Green - '98 Honda Civic DX Coupe
Team Honda
90 day: 66.42 mpg (US)

Black and Red - '00 Nashbar Custom built eBike
90 day: 3671.43 mpg (US)
Thanks: 2,307
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A 90+ MPG 90 day average has got to be unique on this site for a gasoline car. PaleMelanesian pulled off 90+ on a single tank with his 1996 Civic non-vtec sedan, but I am not sure if he had a 90 day average too.
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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.



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Old 06-08-2020, 08:50 AM   #9 (permalink)
EcoModding Lurker
 
Join Date: Jun 2010
Location: Henry, VA
Posts: 67

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: 10
Thanked 122 Times in 32 Posts
A blast from the past! Oh, how the times have changed...

I typically travel quite a bit for work, but because of the pandemic I've been working entirely from home. I've only filled this car up once since early March.

Interestingly enough, our next door neighbor (an older lady) is actually borrowing this car this week. Her car has a leaking head gasket; we helped her drop it off at a local shop last night and she's driving our car until hers gets fixed.

It will be interesting to see what her driving does to our current tank average, which is in the mid/upper 80's according to the Scangauge. She let the car idle in her driveway this morning for 3-4 minutes before she left. I think that's more idling than the car has done cumulatively over the last two years...

-Funkhoss
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Old 06-08-2020, 09:35 AM   #10 (permalink)
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Join Date: Mar 2011
Location: Coastal Southern California
Posts: 6,092

Black and Green - '98 Honda Civic DX Coupe
Team Honda
90 day: 66.42 mpg (US)

Black and Red - '00 Nashbar Custom built eBike
90 day: 3671.43 mpg (US)
Thanks: 2,307
Thanked 2,023 Times in 1,380 Posts
She might be showing care for the car by warming it up... little does she know your shock! lol ...but I'm glad you're looking out for a neighbor like that.

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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.



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