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Old 05-03-2016, 05:16 PM   #211 (permalink)
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Didn't realize how much bigger a CR-Z is than an Insight until I parked next to one the other day! The CR-Z looks small when I see one around town, but it looks like a Crown Vic when it's sitting next to my car


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Old 05-20-2016, 01:31 PM   #212 (permalink)
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Frogger - '00 Honda Insight Gas Only (unHybrid)
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Wow! No kidding. Saw them at the dealship and it seemed a little bigger, but side-by-side, it's a pretty big difference.

Might have to do a sketchup of a mirror for blank and one like yours, see if I can't get them 3D printed.
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Old 05-23-2016, 12:26 PM   #213 (permalink)
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Well, it looks like I may have outright killed the big battery during the last round of discharge/grid charging.

After I grid charged it the first weekend in May, it started back force-charging by the end of the week, along with a negative recal that ended with the check engine, IMA and 12V battery lights coming on.

So I decided to give it another round of discharge and grid charging . . . .

Warning: Do NOT attempt to discharge the IMA battery on Friday evening without setting an alarm, especially if you use twin 200 watt bulbs in the discharger and are prone to falling asleep!

Anyway, I managed to forget I was discharging it, and ran it down to zero volts overnight, which I'm pretty sure effectively killed it. I got it to take a charge that weekend and it charged all the way to 172, but then immediately gave me a recal when I drove it next, followed by the three lights. And it didn't seem to want to rev over 3k . . .
So I flipped the switch on the IMA battery this weekend and for now I'm throwing the 12V on a battery tender nightly just in case it doesn't want to charge the 12V.

The good news is that it seems to have had no effect on my mpg!

The tank started out horribly since it was doing a recal every trip, but this morning after turning off the IMA battery I'm getting really good numbers on the instant readout, and I figure I'll still be able to maintain 70+ mpg tanks unless something changes. With about 75 miles on the tank before I drove it this morning, I managed to go from 64.6 to 70.2 mpg for the tank on the way to work this morning.

I'll keep you guys updated, I'm sure there's more to this story
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Old 05-23-2016, 12:43 PM   #214 (permalink)
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Please do. Was the battery healthy before you started doing deep discharges?
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Old 05-23-2016, 01:13 PM   #215 (permalink)
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It wasn't great, giving me force charges more and more regularly, with the occasional recal thrown in. Which is strange given the fact that the battery was only like 4 years old. Seems like a lot of people had trouble with the warranty replacement batteries not lasting very long, though.

The first discharge down to 20V around Thanksgiving did wonders, and I didn't have a force charge or recal for almost four months. But it seemed to deteriorate rapidly in the last two months or so, and the second discharge didn't have the same effect that the one last year had.
Maybe in a week or two I'll try to grid charge it again and see if it brings it back to life.
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Old 05-24-2016, 07:22 AM   #216 (permalink)
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A day and a half and 90 miles after turning off the IMA battery the FCD is reading 72.1 mpg and rising for this tank (which started with a bunch of recals for the first 75 miles). Hopefully the next 550 miles will give me time to bring it up some more.

Doubt that I'll ever pull off the numbers I was seeing with the assist/autostop, but I should be able to maintain 70+ mpg tanks even without the IMA functions.
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Old 05-24-2016, 08:13 AM   #217 (permalink)
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Have you been following the lithium replacement thread over on IC?
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Old 05-24-2016, 08:59 AM   #218 (permalink)
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You know it!

Dude needs to hurry up, I'm gonna drive it as-is until that project either does or doesn't pan out (unless I can get mine up and running again)
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Old 05-26-2016, 07:39 AM   #219 (permalink)
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MPG is still rising with the IMA battery turned off, even with carpooling. I shouldn't have any problem going over 70 mpg for this tank, which started at 64.6 mpg at 75 miles into the tank when I shut off the IMA battery. 150 miles later I've brought it up a little over 8 mpg. I have over 400 more miles to bring it up, and I don't figure it will plateau until I hit about 74, maybe even 75 mpg on the FCD.

The car is mega slow, but I still get up to and maintain the same speeds I was driving at before. I really miss autostop and autostart, since now I have to work a little harder to time the lights so I can roll through them, but overall it's not been too bad
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Old 05-31-2016, 07:06 AM   #220 (permalink)
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The first tank without the IMA functions is going better than I expected.

At 342 miles the FCD is reading 75.2 mpg and still rising, so now I'm not sure where it will top out. I didn't think it would go over 75 mpg, now it's already past that mark and there are still over 300 miles left on this tank to bring it up

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