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Old 09-22-2018, 08:09 PM   #98 (permalink)
Ecky
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Join Date: Dec 2011
Location: New Zealand
Posts: 5,092

ND Miata - '15 Mazda MX-5 Special Package
90 day: 39.72 mpg (US)

Oxygen Blue - '00 Honda Insight
90 day: 58.53 mpg (US)
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Quote:
Originally Posted by mpg_numbers_guy View Post
Why not wire something up that controls autostop so it turns off in neutral and turns back on when you put it back in gear? And then of course have a button to disable the feature so you can start your car in the first place.
Maybe I would if I planned to keep the engine in longer. It could be done, but it's not as trivial as it sounds. My opinion, you don't want a car that doesn't auto-restart to choose when to kill its engine. Better to just have a manual kill switch if removing the IMA. HOWEVER, even a severely degraded IMA battery can still perform auto-stop, even long after it loses ability to assist and regen.


Quote:
Originally Posted by mpg_numbers_guy View Post
Is the learn burn then better than the lean burn in the VX and HX?
Unsure. Lean burn is really generous in the G1 Insight, and it goes all the way out to a ~24:1 AFR. With the pedal "to the floor" in lean burn (not literally, but as far as you can press it before it jumps out of lean burn), you can't get less than 75mpg in 5th gear, and ~60mpg in 4th gear. I've never owned a VX or HX so I can't compare.


Quote:
Originally Posted by mpg_numbers_guy View Post
I was planning on continuing to use Torque to monitor engine temps, so I might as well use it for AF ratio too. I'm debating on getting a Scangauge E too since doesn't the Insight have an annoying delay in between updating live and trip fuel economy readings?
I'll take a video sometime soon. Live fuel economy updates instantly - it's a little bar at the bottom of the FCD which moves back and forth as you apply throttle, and it was the prototype for the system Honda now uses in every new vehicle. Some, like the Fit, I don't think received this system until 2015 (?), but it's essentially unchanged from how it was in the Insight in 2000.

The trip average mileages refresh something like every 30 seconds, but you can force a refresh by tapping the FCD button to the left of the steering wheel.

The Insight has five ways to keep track of mileage:

1) Instantaneous mileage, displayed as a bar from 0 to 150 at the bottom of the display.

2) "Current" or mileage, which you can reset whenever but doesn't auto reset. I typically reset this before I leave the house, or use it to track averages over a short stretch of road.

3) "Trip 1" can be reset whenever you want, doesn't auto-reset. I typically reset this every tank.

4) "Trip 2", can be reset whenever you want, doesn't auto-reset. I might use this to track an entire road trip, to get an average over several tanks.

5) Lifetime mileage. This can be reset, but not easily. I reset this when I got my car and it's close to 65 - I think 67ish?

You can also toggle back and forth between imperial and metric units, there's a button on the dash which puts it into L/100km. It's really a very... robust system.
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