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Old 09-04-2008, 05:28 AM   #24 (permalink)
WheresMyGas
EcoModding Lurker
 
Join Date: Jul 2008
Location: PA
Posts: 16

Miata - '93 Mazda Miata
90 day: 34.79 mpg (US)
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What's the weight of the spare wheel/tire?
What's the car you're using?

My spare tire is a rock hard rubber. I'd doubt you could use those.
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