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Old 10-02-2020, 10:39 PM   #131 (permalink)
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Black and Green - '98 Honda Civic DX Coupe
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90 day: 66.42 mpg (US)

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Beautiful car. Love the rims. Color. Lowering moderately almost always improves a car's looks, I think.

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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.



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Old 10-03-2020, 05:27 AM   #132 (permalink)
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Endless money pit - '07 Toyota Yaris
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Nice,
really interesting project,
looking forward for the mpg results with the lower springs
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GreenTDI (10-03-2020)
Old 10-03-2020, 11:02 AM   #133 (permalink)
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GreenTDI - '11 Skoda Fabia Estate R3 1.2 CRTDI
TEAM VW AUDI Group
Diesel
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Quote:
Originally Posted by California98Civic View Post
Beautiful car. Love the rims. Color. Lowering moderately almost always improves a car's looks, I think.
Thanks! These models are way too high standard. The springs are long and weak: they sag enormously with a load. Now the car is at the right height and they are firm with any load.

The thing now drives like a kart by the way. With these light, narrow wheels and the lowering. It almost becomes tempting to have a bit more power ...
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Old 10-03-2020, 11:10 AM   #134 (permalink)
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GreenTDI - '11 Skoda Fabia Estate R3 1.2 CRTDI
TEAM VW AUDI Group
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Quote:
Originally Posted by jimhs View Post
Nice,
really interesting project,
looking forward for the mpg results with the lower springs
Me too because it's mainly used as a highway cruiser = should give less drag at highway speed. Due to circumstances I drive less now, but I will certainly update new results!
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Old 10-08-2020, 02:14 AM   #135 (permalink)
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Quote:
Originally Posted by GreenTDI View Post
Thanks! These models are way too high standard. The springs are long and weak: they sag enormously with a load. Now the car is at the right height and they are firm with any load.

The thing now drives like a kart by the way. With these light, narrow wheels and the lowering. It almost becomes tempting to have a bit more power ...
Wow I didn't look at your lowering that looks awesome. New firm springs should also help by making you able to keep more momentum in curves...

My Greenline already has a "sport" chassis option, which lowers the ride height by about 15mm. 140mm is a good compromise and I as live in the mountain I will not lower more.

The new wheel alignment should certainly also help a lot with reducing consumption. I am very curious to see your figures.

Did you think about making a coasting test to get updated SCd and Crr values? I would be happy to compute your values please tell me if you are interested.
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Old 10-11-2020, 04:51 AM   #136 (permalink)
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Yes it's a good compromise. My car didn't have the factory sport chassis, so I'm happy that I did it. Besides, the taller tires did rise the car for another cm, so it was just necessary, period. Handling (at speed) in curves improved a lot, but on the other hand I have to slow down more for bumps ...

Quote:
Originally Posted by ptitviet View Post

Did you think about making a coasting test to get updated SCd and Crr values? I would be happy to compute your values please tell me if you are interested.
That's a good idea, thanks for proposing!
I'm using fall and winter to make some more adjustments, the real comparison consumption (and coasting) tests can continue when the weather improves ... Due to the persistent wind, rain and cold I'm now at 4.1l/100 km where I got 2.9l a month ago ...
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Old 10-13-2020, 04:25 AM   #137 (permalink)
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Great! Tell me when you want to do it I will give you my method that I think more accurate than most of the other used.
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Old 10-25-2020, 04:21 AM   #138 (permalink)
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GreenTDI - '11 Skoda Fabia Estate R3 1.2 CRTDI
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The engine will be chiptuned next week. It's not a standard chip that will be downloaded in the ECU, but it will be written to my car and my wishes. I am not looking for peak values, but for a torque and power curve that is as flat and smooth as possible. The estimated result is ~100 hp at 3500 rpm and continuously 200 Nm (150 lb-ft) between 1800 and 3000 rpm.

That's not much considering these engines are being tuned to 110 hp and 250 Nm (184 lb-ft) peak power. But see it as eco-tuning. Smoothness is key here.
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Last edited by GreenTDI; 10-25-2020 at 04:31 AM..
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Old 10-25-2020, 06:41 AM   #139 (permalink)
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Octavia - '20 Skoda Octavia Combi 2.0 TDI DSG
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Nice, I´m looking forward for your reports on fe after that.
There is a tuner called skn who offers eco tuning, maybe I´ll do that when my warranty is over.
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Old 10-27-2020, 04:19 AM   #140 (permalink)
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GreenTDI - '11 Skoda Fabia Estate R3 1.2 CRTDI
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I will update any progress (or decline) in FE. What is certain is that it will drive a lot better. It will be done by a VAG specialist, called VAGtechniek. They only work on TDI's and have a good reputation.

I guess a stock 2.0 TDI is already very nice to drive

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