04-26-2010, 11:59 AM
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#1 (permalink)
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Basjoos Wannabe
Join Date: Apr 2009
Location: Arkansas
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28 MPG??!???!? You've got to be KIDDING me!!!
I recently embarked on a 300 mile trip in the Maxima. I generally have to fight road rage and so hypermiling comes hard for me when my pride is wounded. That and the acceleration of the Maxima is amazing compared to my minvan.
However, I managed to go all the way to Little Rock without speeding much. (you have to remember, going 10 over is an Arkansas tradition. I pass police going 10 over constantly) I also used a modified P&G when I could; ie, I left the engine running, but when I could mantain speed going down slight hills while in neutral, i took advantage of it. I also did a touch of it when I could on the interstate.
Sadly I mashed the go pedal a bit more on the trip back than I should have, but still managed a solid 28 mpg. This may not seem much, but i have a goal of breaching 30 mpg, and I haven't even done anything to reduce drag on this beast. All I've done is put 50 psi in the tires.
I do desperatly want a fuel injector cut off switch for EOC (engine off coasting?) and while I know I can keep the engine rolling while in drive (I have an automatic) I'm not versed enough in the rules of auto trannys, so I fear damaging the thing. I think keeping it in drive at speed and cutting off the fuel shouldn't pose any problems, especially if my TC stays locked in . But if the engine stops spinning while in gear, what then? I could put it in neutral and kill the engine, but then that'll stress the aging starter.
Either way, getting that figure got me going. It's proven to me it can be done, and that getting a SGII might actually be worth it!
__________________
 RIP Maxima 1997-2012
Quote:
Originally Posted by jamesqf
I think you missed the point I was trying to make, which is that it's not rational to do either speed or fuel economy mods for economic reasons. You do it as a form of recreation, for the fun and for the challenge.
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04-26-2010, 12:57 PM
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#2 (permalink)
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Ecomodder
Join Date: Jul 2008
Location: Raleigh, NC
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Was the car heavily loaded for your trip?
You will be getting 30+ mpg soon enough.
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Lifetime mpg
2012 mpg
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04-26-2010, 01:14 PM
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#3 (permalink)
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Master EcoModder
Join Date: Jul 2008
Location: Cypress, TX
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Formula - '96 Firebird Formula/Trans-Am 90 day: 19.31 mpg (US)
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Your engine powers the hydrolic pump that keeps your trans working and lubricated. Good chance of burning it up if you EOC at freeway speeds.
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Lets see how far it can go
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04-26-2010, 02:45 PM
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#4 (permalink)
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(:
Join Date: Jan 2008
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There's a whole mentality with speeding and aggressive driving that I think results in sub-conscious gas pedal mashing. What I'm trying to say is when you lose that you will make the gains you seek.
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04-26-2010, 03:09 PM
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#5 (permalink)
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Banned
Join Date: Feb 2008
Location: maine
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28 and good acceleration. Somebody did something right... 
the maxima is the sideways v6?
Uncommon car this way...along with 99% of ecomod proven hypermilers.  |
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04-26-2010, 04:29 PM
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#6 (permalink)
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Basjoos Wannabe
Join Date: Apr 2009
Location: Arkansas
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yeah, the Maxima has a 190 hp V-6 and front wheel drive. It's supposed to do the 1/4 in 13ish secs in stock form with 0-60 in about 7 secs. Not blazing fast, but a bit better than your average beater.
I've heard of someone being able to get 30 out of the thing, so it just might be possible.
I know the pump keeps things lubricated, but if the engine is off while still in gear, an AT will keep the engine turning, assuming the RPMs don't go too low. So everything is still working, I'm just not sure about all the details.
And no, it wasn't especially heavily loaded, I suspect less than 300lbs including people and luggage. But I did leave with a full tank, so there was that weight. But I always consider a full tank as a happy tank and try to keep it full.
Right now I'm trying to figure out an idling problem it's having. Coupled with the starter starting to go out it's the cause of a bit of stress.
__________________
RIP Maxima 1997-2012
Quote:
Originally Posted by jamesqf
I think you missed the point I was trying to make, which is that it's not rational to do either speed or fuel economy mods for economic reasons. You do it as a form of recreation, for the fun and for the challenge.
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04-26-2010, 06:02 PM
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#7 (permalink)
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Master EcoModder
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Had a 99. last year of that version Maxima. All aluminum V6, with a curb weight that is fairly low at something like 2800 pounds, with about 200 HP. Best car we ever owned and a dream on the Interstate at 80 MPH.
regards
Mech
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04-26-2010, 07:35 PM
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#8 (permalink)
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Basjoos Wannabe
Join Date: Apr 2009
Location: Arkansas
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Yeah we like it quite a bit. She had nearly 200k on her when we bought her now she's over that. And yeah, the curb weight is suprisingly low for something of that size.
that aluminum block is a thing of beauty. Would love to make a roadster with it sticking out in the open for all to see.
__________________
RIP Maxima 1997-2012
Quote:
Originally Posted by jamesqf
I think you missed the point I was trying to make, which is that it's not rational to do either speed or fuel economy mods for economic reasons. You do it as a form of recreation, for the fun and for the challenge.
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04-26-2010, 09:15 PM
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#9 (permalink)
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Pishtaco
Join Date: Jun 2009
Location: Bay Area, California
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What Frank said. Until you leave the rat race, it will rule your mpg adversely. When you learn to drive 5-10 mph under the speed limit, you will reach new mpg heights.
__________________
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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04-27-2010, 05:16 PM
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#10 (permalink)
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Basjoos Wannabe
Join Date: Apr 2009
Location: Arkansas
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But...But....but it so HARD to not go with the flow of traffic!!! And i like going fast.......but I don't like paying for it at the pump. And my car feels so stable at high speed, like it just wants to go faster and is egging me on.....
This is a picture of my inner conflict. Wish i could afford to change out the final drive for better highway gears.
__________________
RIP Maxima 1997-2012
Quote:
Originally Posted by jamesqf
I think you missed the point I was trying to make, which is that it's not rational to do either speed or fuel economy mods for economic reasons. You do it as a form of recreation, for the fun and for the challenge.
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