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Old 02-05-2013, 07:33 PM   #18 (permalink)
aerohead
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40 lbs

Quote:
Originally Posted by damunk View Post
Thanks for that advice although with a little road car with lower bhp, you would be surprised that 40 lbs would make a difference.

But would be nice to know the answer if you can substitute it with belly pan. 4mm corex with 6 mm acoustic foam layer.
A 1,000-lb weight addition to my Civic cost me 2-mpg at a constant 55-mph.
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