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Old 09-15-2011, 11:17 PM   #55 (permalink)
d0sitmatr
n00b.... sortof..
 
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Join Date: Oct 2010
Location: SFL
Posts: 345

silver fire - '03 Mazda Protege5
90 day: 32.52 mpg (US)
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ok, as a theory, this has been swimming around in my head for a couple days now (this is just a hypothesis):
when I changed tires, I went with 205's all around vs the previous sizes (215 front, 225 rear) due to the rims, the tires are "stretched"
my theory is that the stretching is allowing a more aero face to the oncoming draft, and could possibly allow the wind to completely bypass the rim interior section.
(diagram
\__/

another thought
has anyone tried using motorcycle tires ?
I recently saw a set of 4 trailer rims in a size 17x4, which would be a perfect size for several motorcycle tires Ive used in the past.
granted, I know the cornering would take a hit, even though MC tires are designed for high performance, their structure is also built for leaned cornering. but if you had a vehicle designated strictly as a hwy vehicle...
I got the seed of the idea from an old post I read on here about how skinny tires used to be.
what do you think ?
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