10-07-2011, 12:39 AM
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#1 (permalink)
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Cyborg ECU
Join Date: Mar 2011
Location: Coastal Southern California
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New high: 65.64mpg
I have gone alternator optional. Adapted to no alt with an Odyssey deep-cycle motorcycle battery + on-board specially designed Odyssey 6amp charger. I plug the car in at night now. I also have slowly installed LED and HID lights. I am hitting new highs at a time I should be seeing declining FE: morning temps are in the 50s/60s, nights are longer, and I'm encountering some rain. It is not Minnesota, but it is not ideal, either. Things are working nicely. But I had hoped to hit 70mpg this tank. Still, I'm hopeful I might get to a 65mpg three-tank or 90-day average yet this fall.
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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.
Last edited by California98Civic; 10-07-2011 at 10:28 AM..
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10-07-2011, 05:10 AM
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#2 (permalink)
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Pishtaco
Join Date: Jun 2009
Location: Bay Area, California
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 Give some credit to your aerodynamically better vehicle, too.
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Darrell
Boycotting Exxon since 1989, BP since 2010
Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac? George Carlin
Mean Green Toaster Machine
49.5 mpg avg over 53,000 miles. 176% of '08 EPA
Best flat drive 94.5 mpg for 10.1 mi
Longest tank 1033 km (642 mi) on 10.56 gal = 60.8 mpg
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10-07-2011, 11:19 AM
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#3 (permalink)
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Master EcoModder
Join Date: Jan 2010
Location: Alberta Canada
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Quote:
Originally Posted by California98Civic
I have gone alternator optional. Adapted to no alt with an Odyssey deep-cycle motorcycle battery + on-board specially designed Odyssey 6amp charger. I plug the car in at night now. I also have slowly installed LED and HID lights. I am hitting new highs at a time I should be seeing declining FE: morning temps are in the 50s/60s, nights are longer, and I'm encountering some rain. It is not Minnesota, but it is not ideal, either. Things are working nicely. But I had hoped to hit 70mpg this tank. Still, I'm hopeful I might get to a 65mpg three-tank or 90-day average yet this fall.
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Very nice, congrat's my 90 day average projection for the next refuel is 61.14mpg and falling due to colder weather wind and rain.  I thought I had you, but you sliped into a zone I won't be able to reach until next summer  .
However you should see me in your "ecomodder mpg" rear view mirror at my next refuel. 
Last edited by redyaris; 10-07-2011 at 11:30 AM..
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10-07-2011, 12:58 PM
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#4 (permalink)
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Hypermiler
Join Date: Dec 2007
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Very nice! Glad to hear the alt-optional mod is working. What does the battery voltage do over the course of a drive?
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11-mile commute: 100 mpg - - - Tank: 90.2 mpg / 1191 miles
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10-07-2011, 01:53 PM
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#5 (permalink)
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Administrator
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Very nice. Next summer you'll be sure to hit 70!
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10-07-2011, 02:44 PM
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#6 (permalink)
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Cyborg ECU
Join Date: Mar 2011
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Quote:
Originally Posted by redyaris
I thought I had you, but you sliped into a zone I won't be able to reach until next summer . However you should see me in your "ecomodder mpg" rear view mirror at my next refuel. |
Excellent. Hey, did you notice the car at #3? I was just checking your position and started looking at others fuel logs... the Metro at #3 ... the owner stops recording fuel data in late summer early fall and does not pick up again until mid/late spring! Hahaha!!
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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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10-07-2011, 03:49 PM
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#7 (permalink)
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Polymorphic Modder
Join Date: Aug 2010
Location: Utah
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Great job. Congrats on you new Best MPG!
Just wondering what is the lowest morning startup temps that would justify the hassle of adding an engine block heater?
I am considering adding one to my HCH II.
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10-08-2011, 12:55 AM
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#8 (permalink)
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Master EcoModder
Join Date: Jan 2010
Location: Alberta Canada
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Quote:
Originally Posted by California98Civic
Excellent. Hey, did you notice the car at #3? I was just checking your position and started looking at others fuel logs... the Metro at #3 ... the owner stops recording fuel data in late summer early fall and does not pick up again until mid/late spring! Hahaha!!
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For this winter I have bought a 4 amp 'Inteligent' battery charger that I will mount in the engine bay and plug in with my block heater at home and work, because of EOC in the dark, morning and evening. I will also try to install some form of solar panel battery charger. The problem I have had in the past with solar panel battery charging, is that the battery discharges at night through the solar Panel. I think that by instaling a charge controler I can avoid the discharging. The task at hand is to minemise the affect of winter on FE... |
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10-08-2011, 02:59 AM
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#9 (permalink)
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Cyborg ECU
Join Date: Mar 2011
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Quote:
Originally Posted by redyaris
For this winter I have bought a 4 amp 'Inteligent' battery charger that I will mount in the engine bay and plug in with my block heater at home and work, because of EOC in the dark, morning and evening.
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My experience suggests: battery charger good. Even better when alt is disconnected. Experiment. See what works for you.
Quote:
Originally Posted by MorphDaCivic
Just wondering what is the lowest morning startup temps that would justify the hassle of adding an engine block heater?
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Well, here is a study summation cited in the wikipedia entry for "block heater": http://www.hydro.mb.ca/your_home/hom...ck_heaters.pdf.
But more directly to your question maybe is this graph from MetroMPG's great site:
http://www.metrompg.com/zoom_image.h...20watt%20graph
It would seem to suggest a real benefit is engine warm-up time, even when starting from relative mild winter freezing temps.
And here is his data for engine warm-up and fuel consumption:
http://metrompg.com/zoom_image.htm?H...m%2Dup%20graph
__________________
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.
Last edited by California98Civic; 10-08-2011 at 03:31 AM..
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10-08-2011, 10:58 AM
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#10 (permalink)
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Ecomodder
Join Date: Jul 2008
Location: Raleigh, NC
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What size battery do you have an how far can you drive before needing a charge?
I have been thinking about an alternator and A/C delete but was scared or limiting my range. I do 70 miles round trip for work and have no way to charge it while at work.
You going to do a write up on your install or did you follow somone elses write up?
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Lifetime mpg
2012 mpg
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