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Air dam or no dam - and height?
Morning all,
I just got my new car and it does 20mpg (US) - so, improvement is required!
I want to add an air dam on the front, but the front is not a consistent height. The bottom lip of the bumper is divided into thirds.
The outer two thirds have a ride height of 20cm (7.9in) and the centre third is higher at 24cm (9.4in).
Now, I wonder whether the centre third being higher is actually helping air get under the centre of the car at a lower pressure (and so less drag).
I also wonder whether an air dam going as low as I can 10cm or less, depending on local roads. is the answer?
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Will you recoup money spent on mods in fuel saved? see my spreadsheets here
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