bjohnston

17" Wheels For A Sc430?

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so there has been a lot written about the dreaded potenza run-craps. I need to get rid of mine. At 4000 careful miles, I have a different problem as well, though. My car shimmies, and the dealer just told me the reason is all 4 wheels are bent. I live near Boston where the potholes are legendary, and I just don't think i can keep such low profile tires on this car without ongoing wheel damage.

Is there a 17" wheel alternative for this car? Does someone make one that looks good? where would i find it?

I'll spend some money, though I've already spent $2500 on 18" wheels and snow tires, since the run-craps were sheer terror in the snow. It really ought to be illegal to sell a car with these wheels/tires in the snow zone?

and how do you order the spare tire kit? the lexus dealer told me today that none exists.

Thanks.

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Try another Lexus Dealer. Sounds like yours is defunct. I'm sure a 17" wheel with the correct offset and lug/hub specs will work. Consult with a good wheel shop. Good luck.

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Like everyone before me, I hate the RFT's. I don't have to mention all the abysmal behavior that they cause for this nice car. The big difference with me, and most posts is that I didn't buy this car to win the Grand Prix. I want it to be luxurious first , and very sporty second.

Any set of rims that has a 5 bolt holes with a 114.3 MM bolt pattern, and an offset of between 35 to 50 MM will work fine on your SC-430. There is plenty of room in the fender wells. So If you have leaking rims, or don't like the looks of the "Plates, " feel fee to buy just about anything you want with the above spec. 16" through 20" rims are just fine, and will not interfere with your brake calipers. Changing tire size and diameter does not, I repeat, does not adversly effect the handling or tracking of the vehicle.

I choose to get not only a comfortable ride, but tires that last about four times as long as the RFT's. I chose the Michelin Primacy MXM4's. These are super quite, very long life, have extremely great handling, and they looks really stylish on the car. The size I got was the 245x45R17. The reason I chose this size is that they have the same tread width for traction, and the same diameter 25.7", so the speedometer stays accurate. Additionally the 45 side wall ratio gave a nicer smoother ride with superb handling.

See my Member photo. I bought a set 17" X 7.5" X 40mm offset Velox Borzoi rims from Costco for under five hundered dollars, and the tires under eight hundred dollars. The best money I ever spent on the car!

I am just delighted with this choice and strongly recomnd this to anyone who is tired of their SC-430 riding like a truck!

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I would like to get your opinion on more comfortable and cushier ride by changing tire size and rims. I have switched to regular tires (Continental Contact DSW 245/40/18) and still not comfortable enough. I am thinking about buying new rims and tires on my next tire change to the size of 245/60/18. Will this work? 

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