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I'm new.. need help with Wheels..

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Old 05-08-15, 05:08 PM   #1
Kane007
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Default I'm new.. need help with Wheels..

Hi guys, I am new to this forum. I just purchased a 2013 GS350 with Luxury package and I am thinking of changing the stock 18" wheels to Lexus 19" F Sport wheels. My friends tell me that if I change the size of my wheels and tires, I need to have my computer reprogrammed. Is that true? Also what tire sizes do i need to stay within to accomodate 19" wheels.. I am also thinking of aftermarket 19" wheels that are 9" wide in the front and 10" wide in the back.. not sure which route I want to go.. Its a luxury and classy car and I have no interest in making it look ghetto and I dont like chrome.. I like gunmetal and darker colored wheels. Also do I need to purchase new TPM's if I switch my wheels, how do I reprogram new ones if so? Any feedback would be appreciated.
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Old 05-08-15, 07:16 PM   #2
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Sup Kane 007 and welcome to the forums. Congrats on your new ride. If you are planning on getting new wheels you might as well get aftermarket 19 or 20 inch wheels. I just switched from 19 inch f sports to aftermarket 20 inch wheels and the ride is still great (something I was very concerned about)! My point is if you are going to go through the trouble might as well make it different than OEM wheels, even they are not bad looking.

As far as reprogramming, you might have answered your own question. With new wheels you might s well get new TMPS sensors, which will need to be reprogrammed. Wheel places charge 20-40$ for this, or else your psi will show as "--" on the dash for each wheel.

one last thing, with new wheels you might need a pair of rear camber adjusment arms, made by SPC, those will set you back about 250-300$. Kind of sucks that between tmps sensors and camber arms ure looking at about 500$ alone, thats without new tires and wheels but boy are they worth it!


hope this helps and happy hunting
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Old 05-09-15, 06:17 AM   #3
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No need for any change if you go for the F-sport wheels. Circumference is about the same (wheel bigger/tire thinner).Just move the existing TPMs. If you use new TPMS they need to be programmed.
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Old 05-09-15, 10:15 AM   #4
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Tirerack.com will give you the proper tire sizes but most people here use 245/40/19 for 19s and 245/35/20 for 20s.

If you did staggered 20s you could do 245/35 front and 275 or 285/30 back.
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Old 05-11-15, 12:28 AM   #5
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What about the best width and offset?

I'm Awd so I would do 9.5 all around. I have no clue on offset. I think I saw +35 front +45 rear? Sound right?
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Old 05-18-15, 06:52 PM   #6
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What about the best width and offset?

I'm Awd so I would do 9.5 all around. I have no clue on offset. I think I saw +35 front +45 rear? Sound right?
yes can someone please advise on the proper offset? I still have not decided on which wheels I want but here are some options I am considering:

1.) As mentioned already, one option is to go to 19" GS- F Sport wheels. What tire sizes would I need, would 245/45/19 in the front and 255/35/19 in the back work? I dont want to have to purchase spacers or any other items to make the wheels work.

2.) I am concerned about losing my Lexus ride quality and may just stay with 18" wheels. I like some of the Lexus wheels that come on the IS models. Would the IS model wheels fit on the GS350 without any further modifications needed?

Also I heard that F Sport wheels cannot be used on GS350 that is AWD version.. is that true or have any validity? Why would anything be different for wheel fitment between RWD and AWD versions?
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Old 05-18-15, 07:39 PM   #7
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Quote:
Originally Posted by Kane007 View Post
yes can someone please advise on the proper offset? I still have not decided on which wheels I want but here are some options I am considering:

1.) As mentioned already, one option is to go to 19" GS- F Sport wheels. What tire sizes would I need, would 245/45/19 in the front and 255/35/19 in the back work? I dont want to have to purchase spacers or any other items to make the wheels work.

2.) I am concerned about losing my Lexus ride quality and may just stay with 18" wheels. I like some of the Lexus wheels that come on the IS models. Would the IS model wheels fit on the GS350 without any further modifications needed?

Also I heard that F Sport wheels cannot be used on GS350 that is AWD version.. is that true or have any validity? Why would anything be different for wheel fitment between RWD and AWD versions?

Well there are F Sport AWD models, I have one, '13 model year. My F Sport wheels are 19x8 +45 all around. Tire size 235/40/19 That is what I am currently running. I can't comment on the ride of the 18" wheels but I'm guessing you have more tire which I assume is a more comfortable ride. I have no complaints of how my car rides. I am also on coilovers with a pretty significant drop and I still have no complaints. I am waiting on my wheels should be here in a couple of weeks. The specs for my wheels are 20x9.5 +28 Front with 20X10.5 +41 Rear not sure on what tire sizes I will be running in the rear most likely 285/30~ with 245-255/30 Fronts. I'll have a definite answer once they arrive and I see what kind of clearance I need.
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Old 05-18-15, 10:38 PM   #8
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Quote:
Originally Posted by Kane007 View Post
yes can someone please advise on the proper offset? I still have not decided on which wheels I want but here are some options I am considering:

1.) As mentioned already, one option is to go to 19" GS- F Sport wheels. What tire sizes would I need, would 245/45/19 in the front and 255/35/19 in the back work? I dont want to have to purchase spacers or any other items to make the wheels work.

2.) I am concerned about losing my Lexus ride quality and may just stay with 18" wheels. I like some of the Lexus wheels that come on the IS models. Would the IS model wheels fit on the GS350 without any further modifications needed?

Also I heard that F Sport wheels cannot be used on GS350 that is AWD version.. is that true or have any validity? Why would anything be different for wheel fitment between RWD and AWD versions?
I have a F-Sport RWD and looking to do something similar to what Kane suggested in #1 since I already have the 19' F-Sport wheels. I wanted to drop my car with Tanabe NF210's and since I'll need new tires soon, go with 245 in front and 275 back to avoid any need for spacers if possible. Do you guys think I'll run into any problems with this setup (alignment, rubbing issues, etc.)?
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Old 05-19-15, 02:17 AM   #9
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I use my f sport wheels with snows in the winter but I find it pretty weak looking. So what I did was run spacers and it looks pretty aggressive.
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Old 05-19-15, 02:17 AM
 
 
 
 
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