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Old 09-18-2012, 10:58 PM   #31 (permalink)
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christofoo, my motivation was to determine whether the SGII performance data logging could determine best acceleration load. You're correct that I haven't found BFSC graphs for my 1NZ-FE engine. The SGII does that job.

Videotaping a pulse cycle is remarkably crude, imprecise, and laborious compared to the SGII's ability to log fuel consumption, speed, and distance every 0.4 sec.

Xist, trying to hypermile without a gauge is like trying to learn to drive while blindfolded.

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Old 09-19-2012, 10:48 AM   #32 (permalink)
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Quote:
Originally Posted by SentraSE-R View Post
Xist, trying to hypermile without a gauge is like trying to learn to drive while blindfolded.
I accept your challenge!
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Old 09-19-2012, 03:51 PM   #33 (permalink)
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I wish you well, but you are seriously handicapping yourself without instant feedback.
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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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Old 09-19-2012, 06:15 PM   #34 (permalink)
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I was referring to driving blindfolded, but purchasing a Scangage is a priority after I find employment.
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Old 09-19-2012, 09:13 PM   #35 (permalink)
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My comment was applicable to either situation .
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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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Old 09-22-2012, 04:15 PM   #36 (permalink)
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My mom used to meet elderly couples where the wife had never obtained a license and the husband had since gone blind--he still drove. Apparently, she told him him when to turn.

"Turn left--now!"

I do not think that my dad would have remarried my mother if she acted the same way that she does when I drive, and his driving scares me sometimes.

I would think that driving blind would be too much stress for someone that old!
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Old 09-22-2012, 11:51 PM   #37 (permalink)
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Well, I can drive without my glasses, but that is very unpopular with my passengers!
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Old 09-23-2012, 08:18 AM   #38 (permalink)
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Quote:
Originally Posted by SentraSE-R View Post
I wish you well, but you are seriously handicapping yourself without instant feedback.
I've never been able to get "instant" feedabck on my diesel--at least not instantaneous mpg becuase of instrumentation issues (there is no fueling info broadcast through the OBD port). I do have the factory installed trip mpg display which I've learned to use. I reset the trip meter before every trip and pay attention to the way it's changing. I also tried various techniques and compared my trip mpg over certain distances. For example, I tried A technique yesterday on my way to work and had 32 mpg by the time I got to that bridge--today I tried B technique and got 34 mpg over the same distance.

So, I'll say that instantaneous mpg is not a necessity per se, but I absolutely agree that you need some kind of feedback.
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Old 10-01-2012, 03:39 PM   #39 (permalink)
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this should help


seems biggest concentration of optimum efficiency points are at ~1600rpm around 90% load. although not exactly your engine it is very close.
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Old 10-01-2012, 06:57 PM   #40 (permalink)
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Where do you read what the load is on that chart?

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