Non-Low Profile Tires on 3IS
#1
Non-Low Profile Tires on 3IS
Greetings,
Has anyone equipped non-low profile tires on their 3IS?
I just had my fourth flat tire this year, with one cracked wheel commuting/traveling to work in the Bay Area. I have a 2014 Lexus 3IS AWD F-sport with stock wheels.
Thanks in advance.
Has anyone equipped non-low profile tires on their 3IS?
I just had my fourth flat tire this year, with one cracked wheel commuting/traveling to work in the Bay Area. I have a 2014 Lexus 3IS AWD F-sport with stock wheels.
Thanks in advance.
#2
If you put any tires with larger depth, it will change the diameter of the tire and hence the speedo will be inaccurate. Have you thought about installing run-flats instead? Atleast that will keep your wheels "relatively" safer for normal puncture scenarios.
#4
I'd prefer to stay away from run-flats. My former car had run-flats, and it was not ideal given my occasional longer drives. Although, per yours, it would be safer depending on the type of puncture.
#5
Thank you. I like the stock F-sport wheels, but may consider this to resolve my tire issues.
Last edited by ounagi; 08-21-18 at 08:34 PM. Reason: typographical error
#6
If you keep your stock wheels it is not possible unless you have someone recalibrate your speedometer or you just learn to compensate for the difference in speed. But if you don't have the speedometer recalibrated then the mileage odometer will not be true either.
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#8
* suspension travel
* acceleration
* braking
* gas mileage
* electronic aids
It's really more of a safety and long-term wear issue.
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V350 (08-25-18)
#9
I am currently looking at moving to 245/45/18 and 275/40/18 on stock F Sport 18x8s and 18x8.5s. It will gain a little over an inch in diameter overall and an inch in the sidewall over the stock tire sizes. Should only throw speedometer of by 1 to 1 1/2 mph. Just not sure if they will run or not.
#10
You may go 17 inch wheels for taller sidewalls. That is the best option.
The alternative is to go 225/45/18 and 245/40/18 on stock wheels.
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ounagi (08-31-18)
#11
The tires fill almost the entire wheel well, and make the most sense for living in the snow and on city streets with huge potholes. Also, your speedo will be off by +3mph @ 60mph, but this is an easy head calculation when driving.
By the way, despite the huge potholes, road debris and other issues, I've yet to have any issue (>15 years) with this setup on my G35 and the IS350 AWD.
#12
I run 255/45/18's in the rear, and 225/50/18's on the front (AWD). Tires are much taller (by-1.5-2"), but have same width for the most part. No rubbing, even with 4 adults. Car runs much smoother and quieter. Tires that are too wide can begin to look like one of the trucks with oversized tires we see on the road.
The tires fill almost the entire wheel well, and make the most sense for living in the snow and on city streets with huge potholes. Also, your speedo will be off by +3mph @ 60mph, but this is an easy head calculation when driving.
By the way, despite the huge potholes, road debris and other issues, I've yet to have any issue (>15 years) with this setup on my G35 and the IS350 AWD.
The tires fill almost the entire wheel well, and make the most sense for living in the snow and on city streets with huge potholes. Also, your speedo will be off by +3mph @ 60mph, but this is an easy head calculation when driving.
By the way, despite the huge potholes, road debris and other issues, I've yet to have any issue (>15 years) with this setup on my G35 and the IS350 AWD.
#14
Yes, the speed indicated will be slower than actual travel speed. You need to know the difference in circumference of the tire to adjust your speed accordingly so you don't get a ticket.
Figure the percentage of difference and add that to indicated speed for your actual travel speed.
Figure the percentage of difference and add that to indicated speed for your actual travel speed.
#15
I run 255/45/18's in the rear, and 225/50/18's on the front (AWD). Tires are much taller (by-1.5-2"), but have same width for the most part. No rubbing, even with 4 adults. Car runs much smoother and quieter. Tires that are too wide can begin to look like one of the trucks with oversized tires we see on the road.
The tires fill almost the entire wheel well, and make the most sense for living in the snow and on city streets with huge potholes. Also, your speedo will be off by +3mph @ 60mph, but this is an easy head calculation when driving.
By the way, despite the huge potholes, road debris and other issues, I've yet to have any issue (>15 years) with this setup on my G35 and the IS350 AWD.
The tires fill almost the entire wheel well, and make the most sense for living in the snow and on city streets with huge potholes. Also, your speedo will be off by +3mph @ 60mph, but this is an easy head calculation when driving.
By the way, despite the huge potholes, road debris and other issues, I've yet to have any issue (>15 years) with this setup on my G35 and the IS350 AWD.
Any rubbing on full lock for the front tyres? Wheel well looks fully filled