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Discussion Starter #1
I'm about to order a full set of Potenza S-03s. I've read that people have no problem fitting 255/45 fronts and 275/40 rears on the stock wheels. Is there any benefit to using the tire stock size (235/45 front, 255/40 rear) or for a BPU car or should I go with the wider tires?
 

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ikeaboy said:
I'm about to order a full set of Potenza S-03s. I've read that people have no problem fitting 255/45 fronts and 275/40 rears on the stock wheels. Is there any benefit to using the tire stock size (235/45 front, 255/40 rear) or for a BPU car or should I go with the wider tires?
I wouldn't consider anything less than 275s. This will make your gearing slightly higher, which is actually fine for a turbo car that thrives on load and also needs all the traction it can get.

I wouldn't run less than 295s for a single turbo car. With a little fender rolling I run 295/35-18s on 10" wide wheels perfectly in the rear, no rubbing.
 

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ikeaboy said:
Is there any benefit to using the tire stock size (235/45 front, 255/40 rear) or for a BPU car or should I go with the wider tires?
You really should go with wider tires. BPU will still break most 275s loose.
 
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Re: Re: Any reason to choose 255 over 275 tires?

medici78 said:
You really should go with wider tires. BPU will still break most 275s loose.
Thanks for the replies guys. The S03s only go up to 265/40 on 17" wheels so that's what I'm going to go with.
 

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I have the same setup (265 rear, 245 front) on mine with the Bridgestone S-03s. I'm happy with the setup, although I haven't driven too much on the tires.

-Brian.
 

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The only reasons are either you are too cheap to order the wider tires, or you like skinny tires. Skinny tires blow, get the wider ones. ;)
 

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Hold up...are you talking about stock rims? If so, you don't want to run 255's on 8 inch fronts. Stick with 235/45/17 up front, but upgrade to 275/40/17 in the rear...IMHO. My car had 245/45/17 up front previously (lowered) and they were way too tall. If anything, go to a 245/40/17 up front, but I wouldn't exceed that (again...assuming stock rims!). Alignment will be critical for you even with that upgrade to avoid tracking grooves in the road. Good luck. :)

Steve T.
 

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those rear so3 in 265/40/17 will still be pretty wide. My yokohama 275 was pretty close to the edge of the rear fender, and my friend's so3 in 265 stuck out just as much. They look fairly beefy for a 265. Guess they're underrated.

I also wouldn't suggest a 255 up front, no good. My friend also has 245/45/17 so3 up front, and imo, he should of stuck with a 235/45 front. The 245 looks pretty tall, and he can't lower the front of his car as much as mine...

billy
 
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Discussion Starter #10
Steve Theodore said:
Hold up...are you talking about stock rims? If so, you don't want to run 255's on 8 inch fronts. Stick with 235/45/17 up front, but upgrade to 275/40/17 in the rear...IMHO. My car had 245/45/17 up front previously (lowered) and they were way too tall. If anything, go to a 245/40/17 up front, but I wouldn't exceed that (again...assuming stock rims!). Alignment will be critical for you even with that upgrade to avoid tracking grooves in the road. Good luck. :)

Steve T.
thanks for the info. I'm definitely sticking with the 235/45 size on the fronts. The only question was the rears. The S03s only go up to 265 wide so that's what I'll try.

I'm hoping I don't have to mess with the alignment either, the car tracks absolutely dead straight as is.
 

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id go 235/45 and 265/40, or 245/45 and 275/40...i believe the s03's only go up to 265 (which someone else said) so unless you were going to go with a GS-D3 or TA KD, then get those sizes. 235/265 S03's are what I use.
 

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i put some 295 and they are rubbing sick, i mean i can smell the rubber burning. need to get my fenders?
Car is launching better. they are great
 

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I've got stock 235/45 255/40 S-03s on stock rims now. I'm about due after only 8.5k miles. If I stay with the stock rims, I'm going with 245/40 265/40 S-03s. On our 8" fronts, I wouldn't go any larger or taller in a 245. I also don't want to screw up my F/R balance which is just where I want it with the TRD big bars.

Mike.
 
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