Diffuser

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Discussion

GreigM

Original Poster:

6,728 posts

250 months

Wednesday 27th August 2014
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After adding a diffuser to my previous westfield and feeling it made a fair difference (if nothing else stopping the parachuting effect of the rear end) I decided to do the same with the Caterham.....so here it is:


It was pretty easy to fit (and pleasingly required no drilling/modification of the car, so can be removed at a moments notice if needed) and I think it looks rather good.

I'm now on a search for a good looking chin spolier/splitter to stop so much air going under the car in the first place, rather than using a low numberplate.

I'll report back once I've had it on track to see if I can feel a difference.

GreigM

Original Poster:

6,728 posts

250 months

Thursday 28th August 2014
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DCL said:
I'll be interested to hear the results, but I suspect the fuel tank was, more or less, doing the same job. I'd like to sheet more of the underside at some stage to see what happens.

IMHO a full numberplate fitted as low as possible certainly helps stability (and my confidence) at high speed.
I'm going to spa in a couple of weeks, so will have ample opportunity to test....if I can be bothered I will try the car with and without and compare the data logger. It definitely made a difference in my westfield, so hoping for the same here.

GreigM

Original Poster:

6,728 posts

250 months

Thursday 28th August 2014
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Mellow7 said:
...if it makes such a difference I bet that car in the pics performs really badly then given the splitter isn't even fitted on straight! Hopeless!!!
Given thats a Levante so that one would be fitted by Caterham, I'd hope it does make a difference.

GreigM

Original Poster:

6,728 posts

250 months

Friday 29th August 2014
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rubystone said:
GreigM said:
Given thats a Levante so that one would be fitted by Caterham, I'd hope it does make a difference.
Eh? Maybe I've misunderstood what you have posted? Are you suggesting that the item in the link is a Caterham OEM part?
The photo is of a Levante, which has that wing fitted in the factory, so yes. It may be a reproduction of the caterham part that is being sold, but the pic is of the real deal.

GreigM

Original Poster:

6,728 posts

250 months

Friday 29th August 2014
quotequote all
Yes, you are of course correct, I forgot the Levante was "caterham approved" rather than built. However the general gist still stands that its a Caterham "approved" part, so hopefully it would be somewhat effective.