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-   -   Audi A8 1.2 E-TDI luxury fuel sipper (https://ecomodder.com/forum/showthread.php/audi-a8-1-2-e-tdi-luxury-fuel-26834.html)

Vekke 09-01-2013 02:32 AM

Audi A8 1.2 E-TDI luxury fuel sipper
 
Now Tuneko/me have already proven on the lupo that you can improve 33% of the best fuel efficiency car up to date. This next project will show that you dont need to get the smallest car and strip its interior to get good fuel consumption figures.

Details: Audi - A8 - Audi A8 2.5 TDI Quattro (D2 Facelift 2) - Spritmonitor.de

At the moment best Audi A8 D2 driver gets that kind of fuel consumption figures and I have again bold plans to half those levels. In this project I try to keep all the necessary gadgets working and it still look pretty much the same.

Biggest mod will be engine which will be moved from my red lupo to this audi. It already makes 120 hp, but next target is 144hp from 1.2 TDI engine. That aint gonna be fast enough for me so car will get also huge electric motor to assist in accelerations.

Current setup and best results of this car:
- 1.2 TDI with 120 hp and 285 NM
- 1749V garret turbo
- Big intercooler
- 6 speed manual front wheel drive gearbox
- Weigth 1470 kg with full tank
- Yamaha R1000 radiator no fan
- power steering
- 205/70R15 tires
- smooth underside
- Grill block
- A4 B6 front brakes and suspension components
- Weight of the car 1470 kg with full tank

Best fuel consumption
3.92 L/100 km
59.97 mpg (US)
71.97 mpg (Imp)
80% at 100 km/h speed
15% at 90 km/h
and 5% in the city
cars onboard computers avg speed was 88km/h.

Acceleration 60-120 km/h -> 10.5 seconds

Some last calculations about the coming fuel consumption figures, looks promising. http://ecomodder.com/forum/tool-aero...ToStep=5-200-5

https://scontent-arn2-1.xx.fbcdn.net...ef&oe=57870C8D

https://scontent-arn2-1.xx.fbcdn.net...8b&oe=579765EA

niky 09-01-2013 02:44 AM

A 1.2 diesel in an A8?

Insane.

I look forward to it. :D

Arragonis 09-01-2013 12:54 PM

Subscribing as I also dreamed about a smaller Audi engine in Hermann...

Piwoslaw 09-01-2013 03:32 PM

http://nexusnow.info/forum/images/sm...smiley-WTF.gif

Arragonis 09-01-2013 03:43 PM

If the latest 2.0 140 TDI unit is good enough for the latest A6 (which weighs pretty much the same as the A8 of that generation) then a 1.2 making 144 would be good enough too but maybe with far better MPG.

This is more or less what VAG is planning but maybe 5-10 years ahead IMHO. I can see a 3cyl 1.0 TDI being the norm and a 4 cyl 1.6 TDI being for premium models circa 2020.

And I just bought a 2.7 V6 TDI... :rolleyes:

RedDevil 09-01-2013 04:13 PM

What about the AWD drive train, will you use it, split it or replace it completely?

A setup where the Lupo engine and tranny drives the fronts and the electromotor drives the rear through the current drive shaft may be possible.

HypermilerAX 09-01-2013 04:51 PM

Following.

144 hp for 1400 kg seems overpowered to me. I would cut at least one cylinder out. :D

sael 09-02-2013 12:08 AM

Subscribed, this will be nice :D

AndrzejM 09-02-2013 09:10 AM

Subscribed :)

mikeyjd 09-02-2013 09:41 AM

Very cool indeed.


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