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Old 07-27-2015, 08:15 AM   #21 (permalink)
GreenHornet
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Quote:
Originally Posted by phyregod View Post
I'm doing way too much research. I've found the smart Fortwo's front tires are Continental contiecontact EP 145/65-15. 12 pounds tires. LRR design. The only wheels on the planet I've found that will fit them and the Crx are Toyota Yaris 15x5 steelies at 16 pounds.

That is +~6 pounds per corner vs. the insight combo. And another 2.5? Pounds per corner for spun aluminum moon discs. Total guess at the weight of the disks.

They are also only 1.5% taller. 900 revs/mile vs the stock 913.

But the kicker is, they're 20mm skinnier per corner. That is 80mm less contact patch width total vs. both stock and the insight.

Stop and go would suffer, but I would, in theory, gain mpg at cruising speed. But if +1.5% isn't big enough to keep me in lean burn, it's all for naught.
I have the Honda Insight gen1 15" donuts and they are 4" wide and lighter than the Yaris steel wheels. I was going to use the Continental Tires with a modified version of these Insight wheels for a car project of mine. You can purchase them from Ebay for around $50 USD.

GH

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