I ruined the fiat
+4
JaysonAych
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1300ZUK
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I ruined the fiat
by 1300ZUK Tue Aug 05, 2014 2:34 pm
Bought tires, had tires installed, tried to cheap and put 195 50 16 on it instead of 195 45 16.
Fuel economy has been murdered and power is down. All this over a 10mm
Fuel economy has been murdered and power is down. All this over a 10mm
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Re: I ruined the fiat
by Tailhappy Tue Aug 05, 2014 8:58 pm
Are you allowing for the difference in tire circumference in your MPG calculations?
http://www.miata.net/garage/tirecalc.html
http://www.miata.net/garage/tirecalc.html
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Re: I ruined the fiat
by 1300ZUK Tue Aug 05, 2014 11:22 pm
Yes haven't went through a whole tank but it's gone from like 34/35ish to 30
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Re: I ruined the fiat
by 1300ZUK Tue Aug 05, 2014 11:24 pm
Yes haven't went through a whole tank but it's gone from like 34/35ish to 30
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Re: I ruined the fiat
by Tailhappy Wed Aug 06, 2014 12:13 am
Probably the brand/type of tire vs the size. Like the Prius and BRZ I bet the 500 comes with low rolling resistance tires, but I'm too lazy to check.
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Re: I ruined the fiat
by JaysonAych Wed Aug 06, 2014 1:00 am
Best I can tell, only the electric 500 uses the low rolling resistance tires.
But the tires can make a difference. When I swapped out the Dodge's original Goodyear Eagles for Potenzas, the car was a lot better to drive, but it cut fuel economy by 2 MPG.
But the tires can make a difference. When I swapped out the Dodge's original Goodyear Eagles for Potenzas, the car was a lot better to drive, but it cut fuel economy by 2 MPG.
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Re: I ruined the fiat
by ascona Wed Aug 06, 2014 1:59 am
You don't buy a 500 for its fuel economy....
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Re: I ruined the fiat
by Swerve Wed Aug 06, 2014 11:05 am
Makes no sense. Like when I switched from 18s to 17s with same overall diameter and the ride quality somehow deteriorated...
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Re: I ruined the fiat
by Tailhappy Wed Aug 06, 2014 8:49 pm
When I lifted my Legacy and put on oversize all terrains my MPG and power (not that there was any to begin with) didn't even change, oddly enough.
Did they come with any kind of test drive offer? Like, 30 days and if you're not happy you can get a different tire?
Did they come with any kind of test drive offer? Like, 30 days and if you're not happy you can get a different tire?
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Re: I ruined the fiat
by ryguy79 Sat Sep 27, 2014 1:52 am
ascona wrote:You don't buy a 500 for its fuel economy....
You buy it for looks, right?
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