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Old 11-17-2008, 03:12 PM   #1 (permalink)
PonchoBuick
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Join Date: Nov 2008
Location: Liverpool, NY, USA
Posts: 14

"da bus" - '94 Dodge Caravan base
90 day: 18.25 mpg (US)

"da Oldsmoblubble" - '83 Oldsmobile Cutlass Supreme
90 day: 9.95 mpg (US)
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What effect from tire size and type?

Just wanted to throw this out here. My '94 Caravan has been running on 215/70R14 Indy 500 Firehawk performance tires for about 3 years now. The original tire for the van was 195/75R14, a normal passenger type radial. I've since returned to the original tire size over the last two weeks since the wider tires seem not to like being under the van. Does anybody think that difference in size would have a large effect on the FE, especially going from a performance oriented tire to an original style passenger tread? The new ones are Bridgestone Insignias. Any thoughts?

Aaron

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