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****Official Wheel & Tire Fitment Guide for SC300/SC400****

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Old 12-12-14, 04:39 PM
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****Official Wheel & Tire Fitment Guide for SC300/SC400****

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Old 01-19-17, 01:58 PM
  #5806  
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Guys, is a 245 45 19 tire going to fit in the rear with 19x8.5 inch rim? I realized now after I bought them that they might not fit.
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Old 01-19-17, 03:02 PM
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Originally Posted by gerrb View Post
Thanks Jadu for that table . Am thinking of using 19s in one of my SCs
you're welcome gerrb


Originally Posted by Tempock View Post
Guys, is a 245 45 19 tire going to fit in the rear with 19x8.5 inch rim? I realized now after I bought them that they might not fit.
245s will fit on an 8.5 in rim. 19 in rims with 45 series sidewall is a lot taller than stock (stock is 225/55/16). The tire calculator I regularly use is showing that 245 45 19s is almost 2 inches taller than stock
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Old 01-19-17, 03:33 PM
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Do you think the 45s are going to fit in the rear without rubbing or interfering with anything? I haven't mounted them on the rims yet.
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Old 01-19-17, 05:23 PM
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Originally Posted by Tempock View Post
Do you think the 45s are going to fit in the rear without rubbing or interfering with anything? I haven't mounted them on the rims yet.
It should physically fit on the car, but the large diameter is going to throw off how the car drives and possibly wear your old suspension parts out even faster. Since you haven't mounted the tires yet, try to return or exchange them for 245/35/19.
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Old 01-19-17, 06:17 PM
  #5810  
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I can't return them since they're form craigslist, but I guess I could try reselling them if it comes to it. How serious are we talking when you say it'll throw off how the car drives? I don't really know much about wheels, but how would the suspension wear faster with a large diameter wheel? I thought if it physically fits in the rear tires, then I'd be in the clear.
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Old 01-19-17, 06:56 PM
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Originally Posted by Tempock View Post
I can't return them since they're form craigslist, but I guess I could try reselling them if it comes to it. How serious are we talking when you say it'll throw off how the car drives? I don't really know much about wheels, but how would the suspension wear faster with a large diameter wheel? I thought if it physically fits in the rear tires, then I'd be in the clear.
It comes down to how many details you notice while driving. The car was designed to have a 25.74 diameter wheel to have everything balanced. Now you're raising the diameter to 27.68, so the oem parts aren't in their normal range of operation, so they'll wear faster. The same potential for damage is true for every car modification. The difference in this case, is that rims and tires are moving parts, so things are accelerated. That's why everyone tries to keep the same over all diameter regardless of what size rim they choose from stock 16's to 20's.

Realistically, the only thing at risk is your wheel bearings, but these cars are old, so everything is already a little beat up. Anything out of the norm can cause damage and become a domino effect. In my opinion, getting the right sized tires to prevent this is a small price to pay.
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Old 01-19-17, 09:06 PM
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My rims are 19x8 +30 and 19x8.5 +33.
Assuming nothing goes wrong, do you think the large 45 sidewall will look weird on stock suspension?
I know a lot of people suggest 245 40 r19s front and back, so maybe that would be a better setup?
Will 245s fit in the front without rubbing on sharp turns?
Thanks.
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Old 01-19-17, 11:26 PM
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I finally found some wheels I like, niche milan, what tires do you recommend for 19x8.5 frt and 19x9.5rr +35 offset on all wheels? Assuming I have coilovers will i have any negative camber to fix also? Trying to figure out if I need camber adjustible coilovers too, thanks.
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Old 01-24-17, 10:11 AM
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Originally Posted by Tempock View Post
My rims are 19x8 +30 and 19x8.5 +33.
Assuming nothing goes wrong, do you think the large 45 sidewall will look weird on stock suspension?
I know a lot of people suggest 245 40 r19s front and back, so maybe that would be a better setup?
Will 245s fit in the front without rubbing on sharp turns?
Thanks.
It is going to look really weird on any suspension. The larger diameter tire is 2" more than stock, so your car will be 1" taller off the ground now. People suggest 245/40/18 and 245/35/19 tires. Those are the 2 sizes that are closest to the oem diameter. At stock height you shouldn't have any rubbing issues.

Originally Posted by 93sc400nm View Post
I finally found some wheels I like, niche milan, what tires do you recommend for 19x8.5 frt and 19x9.5rr +35 offset on all wheels? Assuming I have coilovers will i have any negative camber to fix also? Trying to figure out if I need camber adjustible coilovers too, thanks.
Lowering the car will always add negative camber, but the stock arms have minor adjustment. Needing adjustable arms depends on what you consider too much negative camber. Also, camber adjustable coilovers are useless with the suspension design of our cars.
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Old 01-29-17, 09:14 PM
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Hey everyone! I just joined the Lexus club!
Anyway, got myself some XXR 521 18x10 +25 all around.. as for tires, what do you think would be best on them. Planning on rolling and dropping on coilovers...
Will post once I get them on!
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Old 01-30-17, 04:57 PM
  #5816  
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Originally Posted by Tang View Post
Hey everyone! I just joined the Lexus club!
Anyway, got myself some XXR 521 18x10 +25 all around.. as for tires, what do you think would be best on them. Planning on rolling and dropping on coilovers...
Will post once I get them on!
Welcome to CL. 255/35/R18 works well
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Old 01-30-17, 07:10 PM
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Originally Posted by jadu View Post
Welcome to CL. 255/35/R18 works well
Thanks! I'll try that out..
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Old 01-31-17, 11:28 AM
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hey gang, so i plan on running xxr 527, 17x9.75 rear +25 275 40 mickeys in the rear, i plan on rolling fenders, what would you do for fronts? 8.25 or 9.75? i was thinking a 265 40 would have to much hieght on the 8,25. Thanks in advance
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Old 02-01-17, 12:36 PM
  #5819  
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Originally Posted by biggregg24 View Post
hey gang, so i plan on running xxr 527, 17x9.75 rear +25 275 40 mickeys in the rear, i plan on rolling fenders, what would you do for fronts? 8.25 or 9.75? i was thinking a 265 40 would have to much hieght on the 8,25. Thanks in advance
Although, I am not sure how it would affect turn in, you should be able to run 17x9.75 all around. And, depending how low you are, with this setup fenders would need to be rolled all around. 255/40/R17 would suffice for the fronts.
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Old 02-02-17, 09:26 PM
  #5820  
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I'm wondering if I can fit 18x 10.5 +15 offset wheels in the front of my car? Stock height no mods. Will it clear???
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