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Old 03-04-2008, 11:06 AM   #1
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Join Date: Mar 2008
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Estimation of the Cd-reduction

Hello all,

I happened to find this forum while seeking information of the everyday mods to reduce drag. Forum seemed to be extremely interesting! My (our) intention is not to save fuel. Our intention is to reduce lap times on racing. You can visit our web pages on http://mallasracing.info (Kuvia = Pictures).

Like you can see we are using ED-chassis (88-91) sedan Civic, 1.6i SOCH. From pictures you can see the "current" design.

I have planned following aero-modifications:

- Belly pan under engine (Belly pan under the elsewhere of the chassis is not allowed)
- Modification of the trunk bottom (diffuser)
- Nose piece to round up and close the upper surface (bumper to engine cover)

How much would you estimate these would reduce the Cd? I think current one is very close to the 0,31.

What else?

Car is lowered as much as possible and you have to keep in mind that we need to cool down the engine and transmission due to the fact that most of the 6h race we use rpm between 4000-6500 1/r. Also brakes needs to cool down.

Regards

- Mikko
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