My new F Sport wheels
#16
Racer
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For the OP: Keep a set of the original lug nuts in the trunk in case you need to use your spare. The spare is not designed to work with the new thinner lugs you now have. Also a good time to check the spare tire pressure if you haven't, mine seems to drop almost 20lbs each year. Maybe you are more thoughtful than I am but I randomly thought of this months after I swapped out these wheels.
#18
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#19
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It's more about looks at that point, I had enough traction from Michelin PS4S on 8" wheels but 8" looks a bit thin from the rear. I'll take any extra contact though for an emergency situation.
For the OP: Keep a set of the original lug nuts in the trunk in case you need to use your spare. The spare is not designed to work with the new thinner lugs you now have. Also a good time to check the spare tire pressure if you haven't, mine seems to drop almost 20lbs each year. Maybe you are more thoughtful than I am but I randomly thought of this months after I swapped out these wheels.
For the OP: Keep a set of the original lug nuts in the trunk in case you need to use your spare. The spare is not designed to work with the new thinner lugs you now have. Also a good time to check the spare tire pressure if you haven't, mine seems to drop almost 20lbs each year. Maybe you are more thoughtful than I am but I randomly thought of this months after I swapped out these wheels.
good reminder of the spare. need to check my donut.
#20
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For those unfamiliar: "Rotating mass is roughly three times harder to accelerate than sprung weight. This means that dropping just 10 pounds per wheel with the addition of a lighter set of racing-oriented wheels would equate to a reduction of almost 120 pounds of sprung weight."
Last edited by SethP; 09-30-22 at 07:23 PM.
#21
Racer
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Excellent point. It's also not just weight, but rotational mass. Larger wheels and tires likely add rotational mass over the stock configuration effectively giving you a slower car in favor of aesthetics and "traction" beyond that defined by Lexus engineers.
For those unfamiliar: "Rotating mass is roughly three times harder to accelerate than sprung weight. This means that dropping just 10 pounds per wheel with the addition of a lighter set of racing-oriented wheels would equate to a reduction of almost 120 pounds of sprung weight."
For those unfamiliar: "Rotating mass is roughly three times harder to accelerate than sprung weight. This means that dropping just 10 pounds per wheel with the addition of a lighter set of racing-oriented wheels would equate to a reduction of almost 120 pounds of sprung weight."
#22
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I forgot who did it but i saw a recent video where they tested two identical cars (I think BRZs) and one had stock wheels and one had light weight racing wheels. Same size/diameter. Same tires. they both drag raced and while not night and day, the car with the light wheels started pulling away at higher speeds. if you youtube it, you can find it.
#23
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I forgot who did it but i saw a recent video where they tested two identical cars (I think BRZs) and one had stock wheels and one had light weight racing wheels. Same size/diameter. Same tires. they both drag raced and while not night and day, the car with the light wheels started pulling away at higher speeds. if you youtube it, you can find it.
#24
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Does anyone know if these will fit a 2022 RC 350 F Sport? I only ask because I don't know if the F Sport has bigger brakes or not. Also, those who went with a square set up of these, did you just buy 4 front wheels? And, finally one last question; where did you find the correct F Sport center cap for these wheels? I greatly appreciate any help.
#25
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Does anyone know if these will fit a 2022 RC 350 F Sport? I only ask because I don't know if the F Sport has bigger brakes or not. Also, those who went with a square set up of these, did you just buy 4 front wheels? And, finally one last question; where did you find the correct F Sport center cap for these wheels? I greatly appreciate any help.
They will fit the 22 with no issues , and you are correct in buying 4 front wheels 19x8. The wheels should come factory with those center caps . I’ve never seen them sold w/o them. I never really fell in love with them on my GS.
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#26
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This is what I needed to hear. I definitely agree that there are better looking wheels out there, but I'd rather stick with OEM Lexus parts and aftermarket forged wheels are outrageous right now. And, with these, I won't feel as bad if I ruin one because they're relatively cheap.
#28
Racer
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Does anyone know if these will fit a 2022 RC 350 F Sport? I only ask because I don't know if the F Sport has bigger brakes or not. Also, those who went with a square set up of these, did you just buy 4 front wheels? And, finally one last question; where did you find the correct F Sport center cap for these wheels? I greatly appreciate any help.
Last edited by BMGS; 11-04-22 at 05:12 PM.
#29
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Does anyone know if these will fit a 2022 RC 350 F Sport? I only ask because I don't know if the F Sport has bigger brakes or not. Also, those who went with a square set up of these, did you just buy 4 front wheels? And, finally one last question; where did you find the correct F Sport center cap for these wheels? I greatly appreciate any help.
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