All Things Mk5 > Performance Modifications

Improving aerodynamics with aftermarket parts

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Richn83:
interesting to see the audi control arm covers appearing on one of those race cars!

the bruce:
Right. I know the owner and driver of this car and I may have inspired him
with talking about this topic for some years. At least I hope so. This Golf
is one of the fastest Golf TDIs ever on the Nordschleife. From origin it has
been a Golf TDI Cup car before (which Volkswagen did in Poland).

ps:
of course the lower arms change position when the car stands on it's wheels  :wink:

fuscobal:
Hmm, knowing the front wheels seem to bring a lot of drag and lift, maybe a well designed air-dam/splitter can also deflect the air around the wheels. As I can see from your graphs Bruce, if you find a way to deflect air around the front wheel you can have a huge benefit in both drag and downforce !

the bruce:
Just buy a pair of the small spoilers that are in front of the rear wheels and fit them
in front of the front wheels. I would not fit bigger ones as this may weaken brake
ventilation (unless you have some ventilation hoses).

Richn83:
From what I've read you need to avoid to big a dam in front of front wheels if you have a large overhang in front of it as you can add a significant front lift, so if you fit them as far forward as possible or limit the size.

You could fit two smaller ones like on the front of the new mondeo or focus.

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