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cbaber · 04-05-2012, 10:14 PM

The manufacturer gives car models certain tire and wheel sizes based on many factors, and some of that is safety. I would be worried about running a tire that is too skinny because of the decreased braking and handling characteristics of the car with that setup. Especially if its a bigger car. To me risking the safety of the car is not worth the small MPG gain you would get from going to such skinny tires.

And with whatever size you choose, make sure to figure out how much it will be affecting your speedo. Especially with the 155 tire.

04-05-2012, 10:14 PM	#3 (permalink)
cbaber Master EcoModder Join Date: Feb 2012 Location: Missouri Posts: 540 Lean and Mean - '98 Honda Civic HX Team Honda 90 day: 46.69 mpg (US) Thanks: 30 Thanked 190 Times in 110 Posts	The manufacturer gives car models certain tire and wheel sizes based on many factors, and some of that is safety. I would be worried about running a tire that is too skinny because of the decreased braking and handling characteristics of the car with that setup. Especially if its a bigger car. To me risking the safety of the car is not worth the small MPG gain you would get from going to such skinny tires. And with whatever size you choose, make sure to figure out how much it will be affecting your speedo. Especially with the 155 tire. __________________ 1998 Honda Civic HX - My Project Thread Last edited by cbaber; 04-05-2012 at 10:26 PM..