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#1 | |
![]() ![]() ![]() Drives: 2008 Yaris Sedan Join Date: Feb 2010
Location: Oklahoma City, OK
Posts: 323
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Quote:
The heater on the Yaris can accurately be considered an auxiliary radiator. -Steve |
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#2 |
![]() ![]() ![]() ![]() ![]() ![]() Drives: 08 Yaris sedan auto / Fit auto Join Date: Oct 2009
Location: northeast
Posts: 2,897
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since removal of 4 studded tires and warmer weather the 2010 3 door with auto is now getting 40 + miles per gallon . This is VALERO 87 octane ( 10% ethanol ) at 1 click of nozzle at full speed ( always same pump ) , tires set at 36 p.s.i. , 2 people , some headwinds of 25 + m.p.h. , and an average of 50 m.p.h.. Before were lucky to get 36 . Not sure if summer blend has reached our region as of yet , if not can possibly see more of increase
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#3 |
![]() ![]() ![]() ![]() ![]() ![]() Drives: 08 Yaris sedan auto / Fit auto Join Date: Oct 2009
Location: northeast
Posts: 2,897
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#4 |
Steals terrorist's lunch
Drives: 2007 Yaris Liftback Join Date: Mar 2007
Location: Reno, Nevada, USA
Posts: 1,299
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All the more reason to use a grille block in the cold months. I just took mine back out last weekend. I'll put it back in sometime in November or December.
__________________
- Brian Share the Road I often carry 2 carpool passengers and mountain bikes or snowboards/skis over a 4,500 foot elevation difference. Click the graphic above to see my detailed mileage logs. |
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#5 | |
![]() ![]() ![]() Drives: 2008 Yaris Sedan Join Date: Feb 2010
Location: Oklahoma City, OK
Posts: 323
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Quote:
As you know, I'm a sort of show-me-the-data kind of guy... so I'm not actually advocating this. But it is, at least, an interesting idea. Especially for perpetually cold climates. I assume that he already used a grille block. Funny... those fake louvres we see on some cars as decorations (Hi 1979 Lincoln Mark V! I'm thinking of you!) used to actually function, back in the day. The driver had a pull-knob to close them to facilitate warm up. Then again, the driver also had a choke pull-knob and an ignition timing pull-knob. Always remember to pull both of those before trying to start the car. Failing to retard the timing could actually be deadly to the person turning the starting crank.[1] But that issue was a bit earlier, back in the 1900s and 1910s. It was a fellow whose friend was killed in just such a timing/crank accident who invented the electric starter which Cadillac introduced in 1912. -Steve [1] Consider what happens when the timing is advanced before TDC. Last edited by sbergman27; 03-22-2010 at 05:07 PM. |
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#6 |
What?
Drives: 2007 Yaris LB Join Date: Nov 2008
Location: Safety Harbor, FL
Posts: 1,006
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Sounds insignificant when you put it that way. And for someone who puts a lot of miles on their car every day, it probably is.
My typical trip is 3-5 miles. At 40 mpg, that's an average of about .10 gallons per trip. If I let the car sit and warm up before every trip, I'd use 30% more fuel!!! (even if you only count the .03 gallons on the initial start-up, it still adds up to 15% of my total fuel usage on a typical day) Needless to say, I'm in the "drive it easy until it warms up" contingent. I get in the car, buckle my seatbelt, put the transmission in gear (manual trans), release the handbrake and check my mirrors all before turning the key. As soon as the engine is started I'm letting the clutch out and backing out of my driveway! Unless the air temp is fairly cool (below 60-65 degrees), the "cool" light is usually off after the 3rd stop sign in my neighborhood, just before I turn onto the main road. |
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#7 | |
![]() ![]() ![]() Drives: 2008 Yaris Sedan Join Date: Feb 2010
Location: Oklahoma City, OK
Posts: 323
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Quote:
I'd just like to see more quantitative discussions. City driving *is* admittedly a lot messier, though. -Steve |
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#8 | |
![]() ![]() ![]() Drives: 2008 Yaris Sedan Join Date: Feb 2010
Location: Oklahoma City, OK
Posts: 323
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Quote:
My *intuition* agrees with you. But my intuition could be as wrong as yours. We need to test experimentally. (My bad. I haven't gotten to it.) Otherwise, we're no better scientists than was Aristotle. -Steve |
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#9 |
What?
Drives: 2007 Yaris LB Join Date: Nov 2008
Location: Safety Harbor, FL
Posts: 1,006
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I get what you're saying. Potentially, the fuel used to warm-up plus the first mile or so of driving a WARMED UP engine could add up to less fuel usage than driving a cold engine for a mile or so. Maybe in some super-cold climate this might be possible. I can tell you from my observations in MY climate (Florida, almost always above 60 degrees) using a ScanGauge that eliminating the warm-up gives me better results. I don't need to quantify it more than that for my own purposes.
I'm not a "pure numbers" guy. I understand the physics and usually have a grasp on the math involved, but I "live" the philosophy derived from it. |
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#10 | |
![]() ![]() ![]() Drives: 2008 Yaris Sedan Join Date: Feb 2010
Location: Oklahoma City, OK
Posts: 323
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Quote:
A simple Golden Girls episode on this difficult and thorny social issue would have been nice. I'd love to have seen Betty White trying to work the ScanGauge... :-) -Steve |
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#11 |
![]() ![]() ![]() Drives: Scion FR-S 2013 Join Date: Aug 2010
Location: Coamo, Puerto Rico
Posts: 423
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Very useful information...
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#12 |
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jeeze, 11 pages!!! I'll have to take a break and come back...
Last edited by Chaldon; 10-14-2010 at 01:09 AM. Reason: actually this post is on page 12 |
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#13 |
![]() Drives: Toyota Yaris Join Date: May 2010
Location: Philadelphia
Posts: 6
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This is all fascinating info. I have changed my driving habits/maintenance somewhat since discovering this thread. I have a couple questions though. My record MPG is only 36 and this was taking it slow. I have a 3 dr hatchback AT, tires are at 36 PSI (maximum recommended by manufacturer), I use the recommended oil, I just ordered a scan gauge II. I would be ecstatic just to break 40 MPG! I coast whenever possible and shift to neutral whenever possible. I hope the Scan Gauge guide me.
Does anybody have any other recommendations or do I just not have an efficient version of the Yaris!?!? Thanks! |
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#14 | |
Only Happy When it Rains
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Quote:
__________________
Colin Chapman disciple |
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#15 | |
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#16 |
![]() Drives: Toyota Yaris Join Date: May 2010
Location: Philadelphia
Posts: 6
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My commute is around 20 miles round trip its mostly flat except for the freeway where it tends to get a little hilly with the exits and ramps and all. The avg temperature of where I drive is around 90 is this beneficial?.. Sunny Corpus Christi, TX... it always seems to be hot! The highest mpg I've managed to achieve is 36 mpg is this because I have an automatic transmission? Thanks for the replies KrazyDawg and Why? I just installed my SGII and I'm awaiting to see how this tank goes. I'm really hoping to break 40, any other words of wisdom?
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#17 |
Only Happy When it Rains
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so you probably use your a/c all the time, that doesn't help, but i wouldn't turn it off either.
The SG2 is a great thing to have. Use it, and it will help you get better gas mileage.
__________________
Colin Chapman disciple |
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#18 |
![]() Drives: 2007 Yaris Sedan Join Date: Apr 2011
Location: Ont.
Posts: 27
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Sorry if i've been living under a rock, but what's an SG2?
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