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Old 08-09-2015, 01:31 PM   #71 (permalink)
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Siitin - '98 Seat Cordoba Vario
90 day: 58.56 mpg (US)

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90 day: 104.94 mpg (US)

A8 luxury fuel sipper - '97 Audi A8 1.2 TDI 6 speed manual
90 day: 64.64 mpg (US)

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90 day: 54.57 mpg (US)

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90 day: 32.98 mpg (US)

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New personal record for the A8. 637 km and 25 liters gives -->3,92 l/100km which is 60 MPG us.

This tank was
80% at 100 km/h speed
15% at 90 km/h
and 5% in the city
cars onboard computers avg speed was 88km/h.

Next efficiency tank target is under 3.5 liters propably during next weekend.
To reach that I need to build smooth underside and get the ecu tuned for this car.

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Old 08-09-2015, 09:39 PM   #72 (permalink)
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Holy frijoles. That points to a possible 25+++ km/l on the highway... maybe 30?

I wager that 3L tank is simply a looooong and flaaaaat highway drive away.
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Old 08-12-2015, 02:13 PM   #73 (permalink)
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Siitin - '98 Seat Cordoba Vario
90 day: 58.56 mpg (US)

VW Lupo 3L --> 2L - '00 VolksWagen Lupo 3L
Diesel
90 day: 104.94 mpg (US)

A8 luxury fuel sipper - '97 Audi A8 1.2 TDI 6 speed manual
90 day: 64.64 mpg (US)

Audi A4B6 Avant Niistäjä - '02 Audi A4b6 1.9tdi 96kW 3L
90 day: 54.57 mpg (US)

Tourekki - '04 VW Touareg 2.5TDI R5 6 speed manual
90 day: 32.98 mpg (US)

A2 1.4TDI - '03 Audi A2 1.4 TDI
90 day: 45.68 mpg (US)

A2 1.4 LPG - '02 Audi A2 1.4 (75hp)
90 day: 28.67 mpg (US)
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Smooth underside mk1 is almost ready. Tomorrow will get new ecu remap to this car so next efficiency tank will be under 3.5 liters if calculations are correct.

I dont need long and flat road to reach that 3 liter fuel consumption target. It should be a peace of cake actually. 2.75 l/100km is a harder goal but even that is possible at 100 km/h speed, why I know? because my calculations say so.

https://youtu.be/fCJzNvakPmA
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Old 08-26-2015, 01:46 PM   #74 (permalink)
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Vekke: Just checked your A8 fuel logs at the Garage site of Ecomodder.com.

What is up with the 25.00 liter tank fills? I'm just wondering why you are not filling the tank 100%.
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Old 08-31-2015, 12:21 PM   #75 (permalink)
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Siitin - '98 Seat Cordoba Vario
90 day: 58.56 mpg (US)

VW Lupo 3L --> 2L - '00 VolksWagen Lupo 3L
Diesel
90 day: 104.94 mpg (US)

A8 luxury fuel sipper - '97 Audi A8 1.2 TDI 6 speed manual
90 day: 64.64 mpg (US)

Audi A4B6 Avant Niistäjä - '02 Audi A4b6 1.9tdi 96kW 3L
90 day: 54.57 mpg (US)

Tourekki - '04 VW Touareg 2.5TDI R5 6 speed manual
90 day: 32.98 mpg (US)

A2 1.4TDI - '03 Audi A2 1.4 TDI
90 day: 45.68 mpg (US)

A2 1.4 LPG - '02 Audi A2 1.4 (75hp)
90 day: 28.67 mpg (US)
Thanks: 220
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Tank is leaking at full tank and zips air before half tank. Havent had time to fix it yet so I cannot use anymore fuel at the moment even there is still 50+ liters on the tank when it sucks air. Both of those are typical a8 d2 faults.
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Old 12-19-2015, 04:23 PM   #76 (permalink)
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Join Date: Jan 2009
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Siitin - '98 Seat Cordoba Vario
90 day: 58.56 mpg (US)

VW Lupo 3L --> 2L - '00 VolksWagen Lupo 3L
Diesel
90 day: 104.94 mpg (US)

A8 luxury fuel sipper - '97 Audi A8 1.2 TDI 6 speed manual
90 day: 64.64 mpg (US)

Audi A4B6 Avant Niistäjä - '02 Audi A4b6 1.9tdi 96kW 3L
90 day: 54.57 mpg (US)

Tourekki - '04 VW Touareg 2.5TDI R5 6 speed manual
90 day: 32.98 mpg (US)

A2 1.4TDI - '03 Audi A2 1.4 TDI
90 day: 45.68 mpg (US)

A2 1.4 LPG - '02 Audi A2 1.4 (75hp)
90 day: 28.67 mpg (US)
Thanks: 220
Thanked 618 Times in 286 Posts
I have now driven about 15000 km with the audi and it seems to work pretty well. Average fuel consumption has been 5.3 liters with my high average speeds. Today made some new calculation estimations for next summer. Aerodynamic & rolling resistance, power & MPG calculator - EcoModder.com

Some new parts like 3 d printed mirrors are being done.
Today got 7% taller gearbox in.
155/70R19 wheels are bought.
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Old 03-21-2016, 04:44 PM   #77 (permalink)
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Join Date: Jan 2009
Location: Kitee (Finland)
Posts: 1,105

Siitin - '98 Seat Cordoba Vario
90 day: 58.56 mpg (US)

VW Lupo 3L --> 2L - '00 VolksWagen Lupo 3L
Diesel
90 day: 104.94 mpg (US)

A8 luxury fuel sipper - '97 Audi A8 1.2 TDI 6 speed manual
90 day: 64.64 mpg (US)

Audi A4B6 Avant Niistäjä - '02 Audi A4b6 1.9tdi 96kW 3L
90 day: 54.57 mpg (US)

Tourekki - '04 VW Touareg 2.5TDI R5 6 speed manual
90 day: 32.98 mpg (US)

A2 1.4TDI - '03 Audi A2 1.4 TDI
90 day: 45.68 mpg (US)

A2 1.4 LPG - '02 Audi A2 1.4 (75hp)
90 day: 28.67 mpg (US)
Thanks: 220
Thanked 618 Times in 286 Posts


Summer is coming and my new 155/70R19 RIAL X10 5,0x19 ET43 wheels are going to be sweet setup. I am hoping a 10% improvement in fuel consumption with these (compared to my last summer tires) when I get them installed hopefully later this week if weather warms up. Many more parts are also in the works so new fuel consumption records will be made soon.
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Old 03-22-2016, 11:05 PM   #78 (permalink)
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Quote:
Originally Posted by Vekke View Post


Summer is coming and my new 155/70R19 RIAL X10 5,0x19 ET43 wheels are going to be sweet setup. I am hoping a 10% improvement in fuel consumption with these (compared to my last summer tires) when I get them installed hopefully later this week if weather warms up. Many more parts are also in the works so new fuel consumption records will be made soon.
Damnit. You're not supposed to make them so beautiful!
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Old 03-24-2016, 04:04 PM   #79 (permalink)
Mechanical engineer
 
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Join Date: Jan 2009
Location: Kitee (Finland)
Posts: 1,105

Siitin - '98 Seat Cordoba Vario
90 day: 58.56 mpg (US)

VW Lupo 3L --> 2L - '00 VolksWagen Lupo 3L
Diesel
90 day: 104.94 mpg (US)

A8 luxury fuel sipper - '97 Audi A8 1.2 TDI 6 speed manual
90 day: 64.64 mpg (US)

Audi A4B6 Avant Niistäjä - '02 Audi A4b6 1.9tdi 96kW 3L
90 day: 54.57 mpg (US)

Tourekki - '04 VW Touareg 2.5TDI R5 6 speed manual
90 day: 32.98 mpg (US)

A2 1.4TDI - '03 Audi A2 1.4 TDI
90 day: 45.68 mpg (US)

A2 1.4 LPG - '02 Audi A2 1.4 (75hp)
90 day: 28.67 mpg (US)
Thanks: 220
Thanked 618 Times in 286 Posts
My spring collection:



Rial X10 with 155/70R19 Ecopias with custom aeroblogging plates black and green paint job.

Custom aeromirrors in basecoat
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Old 03-27-2016, 12:50 AM   #80 (permalink)
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That's definitely an impressive project. It gets me kinda surprised that such narrow tyres are available there.

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1.2 tdi, audi a8, efficient, luxury sedan, tuneko

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