an mpg message...
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Logistics Pro
Joined: Jun 2005
Posts: 4,243
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From: AZ
an mpg message...
Two years ago I found this forum and I want to share just one of the positive impacts it has on my truck and my wallet...I keep excel spreadsheets on all of my vehicles, so I know what is going on with them (I track everything and have it broken down to every conceivable cost and performance). So anyway, I extracted my mpg for my early 1999 F350 for the past two years and looked at it. I was simply amazed at the overall increase of fuel mileage when I laid a trend line ovr the data graph. There are 82 fill-ups in this data and there are some outliers - but the trend is clear - fuel mileage is headed in the right direction and I have many people on FTE to thank. Here is the graph:
So, the moral of the story is this...keep good records, do mods, take advice from the more sage members of this forum, and join FTE
as a supporter...it pays for itself and I have the data to prove it.
So, the moral of the story is this...keep good records, do mods, take advice from the more sage members of this forum, and join FTE
as a supporter...it pays for itself and I have the data to prove it.
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Logistics Pro
Joined: Jun 2005
Posts: 4,243
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From: AZ
Originally Posted by spunks00
calculated vs last 5??? i dont understand it...but great job on your economy
Last 5 is the running average of the last five averages (drops the six oldest fillup and adds the newest fillup to the data).
Trendline is the best fit linear trend of the Calculated mpg data.
Last edited by nlemerise; Feb 22, 2007 at 10:27 AM.
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From: Kodiak AK
This can be looked at in two different ways and unfortunatly you can't factor in the human error here. So either this chart shows your mods are leading you to fuel economy or you are getting better at laying off the throttle. My fuel economy curve seems to be going the oposite direction because every mod I do seems to effect my right foot. I was thinking of having surgury to lighten up my foot a bit. Great job on tracking your fuel usage. I hope that you are right. Thanks for posting.
Hotshot
Joined: Nov 2006
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From: North of Greenville
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Senior User
Joined: Jun 2006
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From: Kodiak AK
It is there but you probably need to upgrade your viewer. look at the bottom left corner of your screen. See if all your settings are turned on.
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Logistics Pro
Joined: Jun 2005
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From: AZ
Originally Posted by hosemandc
This can be looked at in two different ways and unfortunatly you can't factor in the human error here. So either this chart shows your mods are leading you to fuel economy or you are getting better at laying off the throttle. My fuel economy curve seems to be going the oposite direction because every mod I do seems to effect my right foot. I was thinking of having surgury to lighten up my foot a bit. Great job on tracking your fuel usage. I hope that you are right. Thanks for posting.
Senior User
Joined: Jun 2006
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From: Kodiak AK
Originally Posted by nlemerise
True enough, but with the mods I have done one would be led to believe that my foot would be in it more, thus my fuel mileage would be decreasing. Second, I think the data set is now large enough 330+ fillups in eight years and 86 since I joined this group, that the human factor can be taken out of the equation. If the claim was made over a few fillups, I believe you would be right on the money...you can't make conclusions that I have. But with a large data set over the history of the truck, I think the data is conclusive...prior to my joining FTE my mpg was typically below 14...now it is typcially above 14.
Hotshot
Joined: Nov 2006
Posts: 11,288
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From: North of Greenville
Originally Posted by nlemerise
Shoot Pete...I don't know why you can't see it...but I can send it to you if you want.
All my settings are tunred "on"... might be something in ym Internet settings that are controlled by my company's IT department.
Lead Driver
Joined: Dec 2003
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scatter-plot, I havent seen that since i took statistics. good job.
I wonder though, if there would be a need to add the third element such as age or pocketbook.
You know, over time age goes up and hot-rodding goes down. OR
Over time price of fuel goes up and hot-rodding goes down. LOL
Good job.
I wonder though, if there would be a need to add the third element such as age or pocketbook.
You know, over time age goes up and hot-rodding goes down. OR
Over time price of fuel goes up and hot-rodding goes down. LOL
Good job.
