Wheels and Tires Discussion about wheels and tires for the S2000.
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Widen rpf1 17x11.5 +63 295/35/17 kumho xs

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Old 10-20-2014, 09:59 PM
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Originally Posted by Manga_Spawn
Where did you find the tires? Did they make more?
These tires are discontinued. I found a tire shop that has 4 of there tires sitting in storage. So I bought all four. I'm preying that kumho will keep this size with there new v720 tires. Or when I run out of these tires. I will have to run over fenders and move to a 315/35/17 tire. Or widen a set of 18x9.5+38 rpf1 to 18x11.5+63 and run 295/30/18.

But I really really hope kumho continues to make a 295/35/17. If you this about it this is the perfect size for the s2000. It's a 25 inch tall tires so it won't throw the speedo off. And it's the perfect width to completely fill up the wheel well under the rear fenders with out going wide body or over fenders.
Old 10-21-2014, 08:23 AM
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Originally Posted by riceball777
Originally Posted by s2000Junky' timestamp='1413865142' post='23376870


9 +38? You mean 9.5 38?
Sorry for the type o. The rims were originally 17x9.5+38. They we're widen 2 inches on the inside making them 17x11.5+63.
Good, I was thinking you were going to be in trouble
Old 10-21-2014, 08:27 AM
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Originally Posted by riceball777
Originally Posted by Manga_Spawn' timestamp='1413864681' post='23376866
Where did you find the tires? Did they make more?
These tires are discontinued. I found a tire shop that has 4 of there tires sitting in storage. So I bought all four. I'm preying that kumho will keep this size with there new v720 tires. Or when I run out of these tires. I will have to run over fenders and move to a 315/35/17 tire. Or widen a set of 18x9.5+38 rpf1 to 18x11.5+63 and run 295/30/18.

But I really really hope kumho continues to make a 295/35/17. If you this about it this is the perfect size for the s2000. It's a 25 inch tall tires so it won't throw the speedo off. And it's the perfect width to completely fill up the wheel well under the rear fenders with out going wide body or over fenders.
Yeah I hope they do. And really all of the 295 run was done in 08, so they are getting a bit weathered. They probably aren’t going to perform quite as well as when they were fresh. Be careful in the wet, they are like slicks, they hold and hold and then all the sudden just let go. When/if you get them up to temp in the dry though, oh boy grip city!
Old 10-21-2014, 08:48 AM
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That's definitely different.
Got any pics mounted?
*edit* waiting for the later.
Old 10-21-2014, 09:25 AM
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^Not really. Junky has been running this setup for years.
Old 10-21-2014, 01:53 PM
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Mmmmm meaty. Can't wait to see them mounted.
Old 10-21-2014, 02:39 PM
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Not sure I understand how this works. I thought offset was from the centerline of the wheel to the face. How does widening the wheel in back of the original centerline change the offset? Reason for asking is that I am considering a set of wheels that is 17x7.5 +30. Obviously, they won't fit. However, if they can be widened to the correct offset, might be worth buying as opposed to paying for all that fender work.
Old 10-21-2014, 02:49 PM
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Technically the center is no longer in the same place when you add 2 inches of material (edge to edge), Therefor the offset changes, distance to outside lip remains the same though.
Old 10-21-2014, 03:23 PM
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Don't want to run run exceptionally wide wheels and tires. How much would I have to widen 7.5 +30 wheels to get them in the ball park front and rear?
Old 10-21-2014, 03:25 PM
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Originally Posted by divot
Not sure I understand how this works. I thought offset was from the centerline of the wheel to the face. How does widening the wheel in back of the original centerline change the offset? Reason for asking is that I am considering a set of wheels that is 17x7.5 +30. Obviously, they won't fit. However, if they can be widened to the correct offset, might be worth buying as opposed to paying for all that fender work.
You don't understand because u don't understand what off set is. Off set is how far the center of the well is from the hub.

For example.
Your 17x7.5+30 is actually less aggressive than the common size of 17x9+45. Meaning even though your off let is lower than a common 17x9+45 rim, your rims actually are sticking out 4mm less than a 17x9+45 rim. That's because your rim is not as wide. If you were to widen only the inside of your 17x7.5+30 rim by 1.5 inches keeping the outside the same your rim will become a 17x9+49.

A few more examples for you

A 17x10+72 is more aggressive than a stock 17x8.5+65. The 17x10+72 stock out about 7mm more and has 30mm more rim on the inside as well.


When you widen the inside of a rim keeping the outside the same distance from the body you are increasing the offset by half of the amount you are widening.


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