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Ross knows what he is talking about. That is barely more aggressive than stock and will fit no problem. 18x9.5 +45 with 275/35 (Enkei RPF1 in case you were wondering) is what tons of performance minded people run without rubbing or modifications. I hope Atilla finishes that chart he was working on soon. This stuff is getting redonkulous.
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Originally Posted by painoracing
(Post 3552016)
The 4 seconds you took to write your response, would have been more useful if they included the especific thread or post that would give me this 'easy' answer.
Here you go. Post 24. Rim sits 2mm farther out and has wider tires. https://www.rx8club.com/showpost.php...7&postcount=24 and another that is 6mm farther out https://www.rx8club.com/showpost.php...3&postcount=39 Sorry to be a dick but you didn't really try. |
Originally Posted by AlbertaRX-8
(Post 3538154)
You know, I was shopping for a wheel package for a while. I read every post in this thread and many more. I didnt really understand why some fit and some wouldnt until I read one simple explanation on some other site somewhere. Here it is.
Stock factory RX-8 18x8 +50 225/45R18 The offset numbers start at 50. If you go +45, its only 5mm difference in a positive direction... outward I believe. The farther you go from 50, the more its offset. If you buy a +20, its quite a ways from 50, therefore they will be offset outwards 30mm. If you add a wider rim, it will look wider, and stick more towards the fender. If you couple it with a big tire, wide and high, you are getting into the fender. I found a tire size calculator online here http://www.1010tires.com/TireSizeCal...?action=submit You fill in the stock size, and the sizes you are looking at, and it tells you the size difference. Width, circumference, even how it will affect your speedometer. It worked for me. I have 18x8 +45 wheels now with 225/45-18s on the front, and 245/40-18s on the rear. The backs look way wider than the fronts, fit nicer closer to the fender, but are the same diameter within .5" of stock size. Just a thought. Mike |
Sorry to be a dick but you didn't really try.[/quote]
Didn't want to put it that way but...apology accepted. I have been doing research about this but it is not that easy. I'm trying to reduce trial and error. It's a big investment and is for solo/autocross. So, I want to be sure that I get the most aggressive offset and width, without any rubbing or loosing tire circunsference. Trying to hear from personal experience. Also looking at the racing threads here and consulting with Good-Win. It seems that a 245/40/18 is the best option for 8.5 or 9" width. Deciding offset. Thanks |
^ You will be fine with the specs mentioned by Ross. There will be no rubbing and you can go with 9.5 if you want. You can drop the car on coilvers at about 1.5in-2in too and still won't rub.
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Ok, I'll be nice and repost what has been said.
Best/Easiest Auto-X Setup: 18x9.5 +45 with 275/35/18. No fender modifications. You can lower the car to 3 inches no problem. Less Grippy/More Daily Driven Setup:: 18x8.5 +40 with 245/40 or 255/40. Both will fit with zero fender modifications. The weight of the wheel being an inch less is infintesimally small once you factor in the weight of the tires. So, it all comes down to if this is a dedicated track setup, or your daily driven every other weekend auto-x / track day setup. Hope this helps, let me know if you need any more answers. |
Will these require the fenders to be rolled? Car lowered on Eibach springs. Wheels: Work Emotion CR Kai 18inch F- 225/45 +32 R- 245/40 +38 Thanks in advance
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Originally Posted by benben73
(Post 3552420)
Will these require the fenders to be rolled? Car lowered on Eibach springs. Wheels: Work Emotion CR Kai 18inch F- 225/45 +32 R- 245/40 +38 Thanks in advance
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knew it forgot something.......8.5 front and 9.5 rears thx!
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Originally Posted by benben73
(Post 3552645)
knew it forgot something.......8.5 front and 9.5 rears thx!
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thinking of 20"
im thinking of putting 20" rims on my 8.Has anyone had much trouble with 20s fitting correctly?
Found a sweet deal on some 2nd hand rims and tyres,the wheels im looking at are foose df-5s Front wheels are 235/30/R20 Rear wheels are 285/25/R20 any suggestions would be welcome. |
https://www.rx8club.com/rx-8-discussion-3/whats-big-deal-20-inch-rims-172920/
Those Foose rims are heavy as shit; combined with the lowest profile tires Ive ever seen... :puke: |
Originally Posted by Ross_Dawg
(Post 3553236)
Is there a reason you want staggered wheels?
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Originally Posted by Ross_Dawg
(Post 3553414)
https://www.rx8club.com/showthread.php?t=172920
Those Foose rims are heavy as shit; combined with the lowest profile tires Ive ever seen... :puke: Yeah,but they look good! Does anyone know if they will fit without rubbing? |
Originally Posted by benben73
(Post 3553575)
I'm located in Aus, and the guys I am buying them off only have this set available. I've read a little about the negatives regarding staggered set ups, and I think I could live with it.
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Originally Posted by aftershock
(Post 3553388)
im thinking of putting 20" rims on my 8.Has anyone had much trouble with 20s fitting correctly?
Found a sweet deal on some 2nd hand rims and tyres,the wheels im looking at are foose df-5s Front wheels are 235/30/R20 Rear wheels are 285/25/R20 any suggestions would be welcome.
Originally Posted by aftershock
(Post 3553638)
Yeah,but they look good!
Does anyone know if they will fit without rubbing? Come back here with wheel width and offset and I can tell you if they will fit. |
benben: if you're gonna run 18x8.5F +32 and 18x9.5R +38 you can run 245/40F and 255/40R - fenders will need to be rolled flat. You can run a smaller tire but it's not necessary.
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wwoO00o00o - look at ross bein' all super helpful ;)
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18x9 +35
18x10 +35 245/40 only because i have a new set laying around...figured id toss them on |
^ roll and you'll be good
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Yeah besides the rubbing on the fender liner in the rear..
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Not the liner, I think you mean the tab.
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18 x 9.5" +28 with a Nitto 245/40-18 on Tein S techs. Thoughts?
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Originally Posted by 9krpmrx8
(Post 3554529)
18 x 9.5" +28 with a Nitto 245/40-18 on Tein S techs. Thoughts?
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Originally Posted by 9krpmrx8
(Post 3554529)
18 x 9.5" +28 with a Nitto 245/40-18 on Tein S techs. Thoughts?
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