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| Cool Idea will it work???? MPG meter http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=32872 |
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| Author: | warp2diesel [ Thu May 29, 2008 12:26 pm ] |
| Post subject: | Cool Idea will it work???? MPG meter |
Do Able or not? http://forum.ecomodder.com/showthread.p ... -2115.html |
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| Author: | BiodieselJeep.com [ Thu May 29, 2008 2:00 pm ] |
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Not neccesarily going to work because Diesels have a return line for fuel, and this does not account for the returned fuel. That's one of the things that stymied Consumer Reports when the tested the CRD. (I know an engineer that works there). I often chide him that he got it way wrong in his report. Whenever we hang out I have to diesel-smack him. but to be fair, he gives me the inside scoop on upcoming diesel models from all th manufacturers (which, sadly, isn't too many). |
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| Author: | dgeist [ Thu May 29, 2008 4:00 pm ] |
| Post subject: | |
BiodieselJeep.com wrote: Not neccesarily going to work because Diesels have a return line for fuel, and this does not account for the returned fuel.
That's one of the things that stymied Consumer Reports when the tested the CRD. (I know an engineer that works there). I often chide him that he got it way wrong in his report. Whenever we hang out I have to diesel-smack him. but to be fair, he gives me the inside scoop on upcoming diesel models from all th manufacturers (which, sadly, isn't too many). How could they not know this? Doesn't almost any newer vehicle have a return line? Every one I've ever owned has... |
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| Author: | cerich [ Thu May 29, 2008 5:26 pm ] |
| Post subject: | |
dgeist wrote: BiodieselJeep.com wrote: Not neccesarily going to work because Diesels have a return line for fuel, and this does not account for the returned fuel. That's one of the things that stymied Consumer Reports when the tested the CRD. (I know an engineer that works there). I often chide him that he got it way wrong in his report. Whenever we hang out I have to diesel-smack him. but to be fair, he gives me the inside scoop on upcoming diesel models from all th manufacturers (which, sadly, isn't too many). How could they not know this? Doesn't almost any newer vehicle have a return line? Every one I've ever owned has... they do not care is the answer reporting the CRD got real life 11mpg got them wide media attention, that leads to a larger subscription base. DC should have sued them but instead like many companies is afraid of "editorial revenge' |
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| Author: | BiodieselJeep.com [ Thu May 29, 2008 5:40 pm ] |
| Post subject: | |
wait, to be clear the CR guy did know about the return. But they are used to adding on a device for monitoring REAL TIME consumption (easily done on a gasser), so they built their own rig to try and do this but it got cumbersome. They still claimed that their test was accurate. I still rib him for it. |
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| Author: | Pablo [ Thu May 29, 2008 8:38 pm ] |
| Post subject: | |
Both the EVIC and the scanguage provide similar functionality. Of course folks say the EVIC is optimistic and the Scanguage likes to reboot your TCM. |
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| Author: | flash7210 [ Thu May 29, 2008 9:06 pm ] |
| Post subject: | |
If you had a fuel pump that supplied a consistent fixed supply of fuel, then you would only need to measure fuel flow through the return line. Supply rate - return rate = fuel used Doesn't work with our CRD however. But might depending on type of lift pump intstalled. But, it you knew the exact flow rate of the fuel injector, and could measure the duty cycle of the injector (on time), then you could get an accurate measure of how much fuel actually goes into the engine. |
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| Author: | blake1827 [ Thu Jun 05, 2008 8:39 pm ] |
| Post subject: | GPH |
Something that I've been doing lately along with calculating my MPG every fill up is using the timer on my EVIC to calculate gallons per hour is addition to MPG's... last fill up was 23 MPG & 1.32 gallons per hour 50/50 city highway driving |
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| Author: | Timmaah! [ Fri Jun 06, 2008 6:44 am ] |
| Post subject: | |
cerich wrote: dgeist wrote: BiodieselJeep.com wrote: Not neccesarily going to work because Diesels have a return line for fuel, and this does not account for the returned fuel. That's one of the things that stymied Consumer Reports when the tested the CRD. (I know an engineer that works there). I often chide him that he got it way wrong in his report. Whenever we hang out I have to diesel-smack him. but to be fair, he gives me the inside scoop on upcoming diesel models from all th manufacturers (which, sadly, isn't too many). How could they not know this? Doesn't almost any newer vehicle have a return line? Every one I've ever owned has... they do not care is the answer reporting the CRD got real life 11mpg got them wide media attention, that leads to a larger subscription base. DC should have sued them but instead like many companies is afraid of "editorial revenge' Very true on the "editorial revenge". Consumer Reports tried to ruin Suzuki during the Samurai lawsuit with their editorials. When the case was settled Consumer Reports claimed a win because they did not have to pay any money and never admitted that they signed an agreement restricting what they could write. Suzuki claimed that they won because Consumer Reports could never write about the Samurai test again unless they admitted that they “misconstrued” the test of the Samurai. |
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