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Old 06-21-2017, 11:03 AM   #11 (permalink)
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Looks great!

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Old 06-21-2017, 11:19 AM   #12 (permalink)
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38+ is a damned good first tank.

This should be interesting to watch.
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Old 06-22-2017, 01:02 AM   #13 (permalink)
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Well thanks... The car in stock form (with upper grille block which has done about nothing) has delivered a high of 42.2mpg on my most recent tank, with only advanced hypermiling...(mostly just EOC)... Can't wait to do a belly pan, diffuser, and other various aero mods
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Old 06-22-2017, 05:48 PM   #14 (permalink)
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Was curious what gears are in KT's cobalt, same diff as XFE, and OD is only 0.01 different, it came with 195-60-15's but I switched to 65's. XFE came with 65's.

I should have upside my tires last year. 205-65 or 70-15 would be pretty close for you to match the 3.63 for revs per mile. SS come with 225's so I bet they would fit, need to check strut clearance.
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Old 06-22-2017, 06:10 PM   #15 (permalink)
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I was thinking something similar... My ion Redline cane with 225/45-17 so I should have room to upsize...
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Old 06-23-2017, 04:23 AM   #16 (permalink)
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Upsize? Wouldn't you get more benefit from narrower tyres?
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Old 06-23-2017, 06:59 AM   #17 (permalink)
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Quote:
Originally Posted by cRiPpLe_rOoStEr View Post
Upsize? Wouldn't you get more benefit from narrower tyres?
I went with 185/65 ecopias because it was hundreds cheaper per set
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Old 06-23-2017, 09:19 AM   #18 (permalink)
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So what is the next mod going to be?
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Old 06-23-2017, 09:57 AM   #19 (permalink)
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Quote:
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I went with 185/65 ecopias because it was hundreds cheaper per set
I was trying to point the lower rolling resistence inherent to narrower tyres, but yes, they're usually cheaper. No wonder many folks are quite disappointed that some tyre sizes that used to be fairly common have now become nearly unobtainium.
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Old 06-23-2017, 10:37 AM   #20 (permalink)
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According to Capri Racer(barrystiretech), all else equal wider has lower RR.

Might order 2 larger Entryes to give it a try only $62 each to my door. I've had 185 & 195 on at the same time and probably nobody but me noticed. I have about a thumb(1") worth of clearance to the spring 207-70 would be .65" taller so less than 3/8" clear. Nothing to hit on the rear so worst case I use them up there.

Barry's Tire Tech

Check out the RRC chart, list 195-65-15 at 11.3 or so, 205-70 10.1, 205-65 10.8, looks like the 70 is a winner, only one better is 215-70 which I don't think would fit.

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