All Things Mk5 > Performance Modifications
improving aerodynamics with OEM parts
RedRobin:
--- Quote from: Richn83 on February 17, 2011, 09:23:05 am ---
--- Quote from: the bruce on February 04, 2011, 07:10:23 pm ---
Ric, I don't know. But some mates report of a reduction of 0.2 - 0.4 l / 100 km.
Maybe this seems to much, but that's what they told me.
--- End quote ---
Thanks Bruce that seems about 8-10% which over a tank could be 30-40 miles so not insignificant for the money spent on parts :smiley:
--- End quote ---
....I'm playing devil's advocate here rather than being a hater, but wouldn't such a fuel saving only occur on high speed, unrestricted autobahn types of journeys?
Richn83:
--- Quote from: RedRobin on February 17, 2011, 10:14:00 am ---
--- Quote from: Richn83 on February 17, 2011, 09:23:05 am ---
--- Quote from: the bruce on February 04, 2011, 07:10:23 pm ---
Ric, I don't know. But some mates report of a reduction of 0.2 - 0.4 l / 100 km.
Maybe this seems to much, but that's what they told me.
--- End quote ---
Thanks Bruce that seems about 8-10% which over a tank could be 30-40 miles so not insignificant for the money spent on parts :smiley:
--- End quote ---
....I'm playing devil's advocate here rather than being a hater, but wouldn't such a fuel saving only occur on high speed, unrestricted autobahn types of journeys?
--- End quote ---
Thats why I asked for fuel saving at 130kph which is 80mph so that would be the saving on a motorway journey on the continent and roughly on a UK motorway. And dont worry about the hater thing ideas need to be challenged or we would all still be living on a flat world at the centre of the universe! :stupid:
It's the way they are challenged which is the key :drinking:
I would think you could potentially make your money back on the parts with 10k a year of 60+mph driving assuming the savings Bruce mentioned.
the bruce:
--- Quote ---2 x 1K0 609 734 C
2 x N 102 854 02
--- End quote ---
:happy2: :happy2: :happy2:
For the parts 2a and 2b in the picture below (from A3 and TT) it will be best
to use the parts from above to fix the brake cable.
laurent.d:
--- Quote from: the bruce on December 22, 2010, 05:12:44 pm ---
--- End quote ---
The idea of aerodynamics improvement is good but I have to say that I a bit concerned with this panel closing all the sub engine bay.
Not because of oil temp. As cooling through the oil sump is minimal.
But what about eat released by the turbo and all the devises around it when runnig flat out as you have enclosed the engine bay and that air can't cool down behind the engine any more.
Ok there is a naca but it look rather small and desinged for a 110 Hp Bluemotion diesel car, not for 200Hp /350Hp benzine sporty car.
vRSAlex:
The Octavia vRS's come with the full length undertray as standard.
As another example, the Leon Supacopa cars run a full length undertray and have no issues running 330bhp round a race track at full pelt. Our GT3 Gallardo's also run a full length undertray with the only holes being for the air jacks. They run 3 hour races with no heat issues.
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