IS-F Wheel best fittment???
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^
Fitment looks solid from my end.
Fitment looks solid from my end.
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Hint: To everybody who has wheel/tire fitment questions - The below chart created by Discount Tire Direct is easy to understand...
X20A, according the the chart, you can go up to a 265 width in front (I don't know anybody running this on the street though). You can go up to 295 in the rear (There is at least on guy running 305s with stock fenders).
Probably the most recommended max width wheel/tire combo would be 255/35R19s on 19x9 +41 to +46 offset and 295/30R19s on 19x10.5 + 58 to +60 offset. I'm sure you could also fit the 295 tire on a 10 inch wheel.
See post #59 from this thread, it also has a few wheel/tire recommendations.
FRONT
WHEEL WIDTH OFFSETS WIDTH OF TIRE
7.0 +16/+65 225
7.5 +22/+65 225/235
8.0 +29/+59 225/235/245
8.5 +35/+52 235/245/255
9.0 +41/+46 245/255/265
REAR
WHEEL WIDTH OFFSETS WIDTH OF TIRE
8.0 +26/+65 225/235/245
8.5 +33/+65 235/245/255
9.0 +39/+65 245/255/265
9.5 +45/+65 255/265/275
10.0 +52/+65 265/275/285
10.5 +58/+60 275/285/295
X20A, according the the chart, you can go up to a 265 width in front (I don't know anybody running this on the street though). You can go up to 295 in the rear (There is at least on guy running 305s with stock fenders).
Probably the most recommended max width wheel/tire combo would be 255/35R19s on 19x9 +41 to +46 offset and 295/30R19s on 19x10.5 + 58 to +60 offset. I'm sure you could also fit the 295 tire on a 10 inch wheel.
See post #59 from this thread, it also has a few wheel/tire recommendations.
FRONT
WHEEL WIDTH OFFSETS WIDTH OF TIRE
7.0 +16/+65 225
7.5 +22/+65 225/235
8.0 +29/+59 225/235/245
8.5 +35/+52 235/245/255
9.0 +41/+46 245/255/265
REAR
WHEEL WIDTH OFFSETS WIDTH OF TIRE
8.0 +26/+65 225/235/245
8.5 +33/+65 235/245/255
9.0 +39/+65 245/255/265
9.5 +45/+65 255/265/275
10.0 +52/+65 265/275/285
10.5 +58/+60 275/285/295
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When I finally decide to get aftermarket wheels, I may get 18s for weight savings purposes. I would get 18x9 fronts and 18x10 rears, and run Continental ExtremeContact DW tires, 265/40R18 (26.3"tall) front and 295/35R18 (26.1" tall) rear. Of course I will have to make sure that the wheels are designed to clear the brakes. Using an ultra lightweight monoblock forged wheel, this combination would save over 30 lb overall from the stock wheels and Bridgestone tires, and have 40mm (!!!!) more width all around...talk about helping to kill understeer.
If anybody wanted to MAX out width, you could go with 19x9 front with 265/35R19s (26.3" tall) and 19x10.5 rear with 305/30R19s (26.2" tall). Rolling the rear fenders might be necessary, but DAMN, 305s would be great in the rear.
If anybody wanted to MAX out width, you could go with 19x9 front with 265/35R19s (26.3" tall) and 19x10.5 rear with 305/30R19s (26.2" tall). Rolling the rear fenders might be necessary, but DAMN, 305s would be great in the rear.
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433 Posts
How do you feel about the dry grip of the Continental DWs? I'm pretty sure they are going to be the tire I use when I get aftermarket rims (who knows when). From what I can tell, and from my experience with the DWSs, the DWs are the best overall Max Performance Summer tire if you factor in performance, tire life, and cost.
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30 Posts
Hi,
Changing to the wider tires, will it give more grip in the turns? since the side walls may not be aligned properly to the rims? Will it make the car more slushy? I am sure the straight line drag will improve since we will get more traction.
What is the experience of people who have gone wider on stock wheels.
Also it would be nice to have the posts with pictures and experiences moved to the top of the post, put in a separate thread.
Thanks,
Ash
Anyone in the Bay Area with those changes, I would like to see in person!
Changing to the wider tires, will it give more grip in the turns? since the side walls may not be aligned properly to the rims? Will it make the car more slushy? I am sure the straight line drag will improve since we will get more traction.
What is the experience of people who have gone wider on stock wheels.
Also it would be nice to have the posts with pictures and experiences moved to the top of the post, put in a separate thread.
Thanks,
Ash
Anyone in the Bay Area with those changes, I would like to see in person!
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712 Posts
^^^^I did start a thread when I put on my 245/285 Continental combo:
http://www.lexusfforum.com/forums/showthread.php?t=3159
I'm still very happy with my choice, over 1K miles on 'em now. The ride is a little better. The car corners better, and of course straight line traction is improved. I'm not sure what you mean by slushy, but if it's bad, I don't have it. There is a freeway exit near my home, that I can now take about 5MPH faster than I could on my old stock Michelins.
Lou
http://www.lexusfforum.com/forums/showthread.php?t=3159
I'm still very happy with my choice, over 1K miles on 'em now. The ride is a little better. The car corners better, and of course straight line traction is improved. I'm not sure what you mean by slushy, but if it's bad, I don't have it. There is a freeway exit near my home, that I can now take about 5MPH faster than I could on my old stock Michelins.
Lou
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30 Posts
Hi Lou,
I was just wondering. I was not stating a fact. I wanted your opinion only. I guess in our threads, the detail gets lost. Your opinions and experiences should be just moved to the top, or as a matter of fact the opinions of people who have changed to wider tires and are seeing better handling should write up and put more pictures. I am almost due for new tires and am pushing the car to its limits on the stock wheels and tires in the mountains so improved handling would make the ride more enjoying.
Thanks
Ash
I was just wondering. I was not stating a fact. I wanted your opinion only. I guess in our threads, the detail gets lost. Your opinions and experiences should be just moved to the top, or as a matter of fact the opinions of people who have changed to wider tires and are seeing better handling should write up and put more pictures. I am almost due for new tires and am pushing the car to its limits on the stock wheels and tires in the mountains so improved handling would make the ride more enjoying.
Thanks
Ash
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433 Posts
Below are a few possibilities from Discount Tire Direct's fitment guide. I would recommend 8.5" front +35 - +52 and 9.5" rear +45 - +65 if you never plan to go wider than 245 and 275. If you might want to go wider, go with 9.0" front +41 - +46 and 10" rear +52 - +65. If you went with a 9" front and 10" rear you could run 255 and 295 in the future.
FRONT
8.0 +29/+59 225/235/245
8.5 +35/+52 235/245/255
9.0 +41/+46 245/255/265
REAR
9.0 +39/+65 245/255/265
9.5 +45/+65 255/265/275
10.0 +52/+65 265/275/285
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433 Posts
I'm not an offset expert, but as long as you get the right offset, you could run 295/30R19 tires on the rear without trimming with a 10" or 10.5" rim. I didn't recommend a 10.5" rear to you in the previous post because I personally think a 275 would look absolutely retarded on it (I HATE the stretched look).
Probably the best setup for a street ISF is 19x9 fronts and 19x10.5 rears, running 255/35R19 and 295/30R19 tires. I'm just personally sick of seeing so many ISFs out there running heavy 20x11 rears and only putting a 285mm tire on it.
Probably the best setup for a street ISF is 19x9 fronts and 19x10.5 rears, running 255/35R19 and 295/30R19 tires. I'm just personally sick of seeing so many ISFs out there running heavy 20x11 rears and only putting a 285mm tire on it.
but if it will be 19x9 - +38 - 245-35-19
19x10 - +45 - 275-30-19???????
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