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18x8.5 ok with 245/40/18 tires?

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Old 02-19-03 | 11:42 AM
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18x8.5 ok with 245/40/18 tires?

Heya. I got a set of 18x8.5 and 18x10 rims. I have searched through other threads and it said that the best sizes for those size rims would be 245/35/18 for the fronts and 285/30/18 for the back. Those are the closest to stock offset is what one of the threads said.

It seems that 245/35/18 tires are rare. I can only find them in dunlops and pirelli's, but there are a lot of 245/40/18's. The 285/30/18's arent a problem and those are easy to find. I was just wondering if I should just go with the 245/35/18's or would I be ok with the 245/40/18's? I have stock struts, but will be using eibach springs. Front rim size is 18x8.5

Thanks.
Old 02-19-03 | 05:29 PM
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Got $50?
Old 02-19-03 | 11:39 PM
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For what?

Last edited by SleepR1; 02-20-03 at 05:15 AM.
Old 02-19-03 | 11:54 PM
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who the f*@#$ knows. There is more mis-information on this site about this topic that I wouldn't even know what to tell you. I researched everything and walked away confused.

FWIW, I recently ordered 235/40 & 275/35 18"s (nitto 555's) on +37, +42's. 245/35's are rare like you said and I am optimistic that they will fit as Loi has the same fittament and his car is lowered much more than mine with ZERO rubbing. (rims are 9"s & 10"s)

Best of luck.
Old 02-20-03 | 05:11 AM
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Originally posted by Sivness11
For what?
For giving you the right answer

Last edited by SleepR1; 02-20-03 at 05:15 AM.
Old 02-20-03 | 05:12 AM
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Originally posted by Brentis
who the f*@#$ knows. There is more mis-information on this site about this topic that I wouldn't even know what to tell you. I researched everything and walked away confused.

FWIW, I recently ordered 235/40 & 275/35 18"s (nitto 555's) on +37, +42's. 245/35's are rare like you said and I am optimistic that they will fit as Loi has the same fittament and his car is lowered much more than mine with ZERO rubbing. (rims are 9"s & 10"s)

Best of luck.
Well there are many threads asking the same questions. The same answers are rendered and repeated. If you do the research the same theme in the answers appear...
Old 02-20-03 | 05:20 AM
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Re: 18x8.5 ok with 245/40/18 tires?

Originally posted by Sivness11
Heya. I got a set of 18x8.5 and 18x10 rims. I have searched through other threads and it said that the best sizes for those size rims would be 245/35/18 for the fronts and 285/30/18 for the back. Those are the closest to stock offset is what one of the threads said.

It seems that 245/35/18 tires are rare. I can only find them in dunlops and pirelli's, but there are a lot of 245/40/18's. The 285/30/18's arent a problem and those are easy to find. I was just wondering if I should just go with the 245/35/18's or would I be ok with the 245/40/18's? I have stock struts, but will be using eibach springs. Front rim size is 18x8.5

Thanks.
The 245/40-18 is too tall, especially for a lowered car. Do the calculation for overall tire diameter, and you'll see for yourself. The short answer is stay with the 245/35-18 for the front. It's the perfect match tire diameter-wise for the 285/30-18. What's wrong with Dunlop and Pirelli?
Old 02-20-03 | 05:25 AM
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Originally posted by Brentis
FWIW, I recently ordered 235/40 & 275/35 18"s (nitto 555's) on +37, +42's. 245/35's are rare like you said and I am optimistic that they will fit as Loi has the same fittament and his car is lowered much more than mine with ZERO rubbing. (rims are 9"s & 10"s)

Best of luck.
Yours are 0.4 inches taller than stock. Depending on the front wheel widths, you might be ok. Nittos? I don't understand why FD owners go with Nittos. Ok, I get Kyle Bacon's reasoning for going with 555Rs Extreme IIs, but I don't get why FD owners choose the Nitto street tires. IMO, there are better tires for the same money as Nitto street tires.
Old 02-20-03 | 09:34 AM
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I actually just got them b/c that is what the dealer had in these fittments. My understanding is that they are similar to sp8000's which I have reasonably good experience with + I didn't want to blow a ton of money on tires that I am not 1000% positive I know will fit.

Plus it appears the diameter of the Nitto 555's are slightly lower than the calculators predict....
Old 02-20-03 | 02:53 PM
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Thanks for the input.

I'm going to go with a mix. Going to get the pirellis in 245/35/18 for the fronts and then get the Bridgestone S03's in 285/30/18 for the backs.
Old 02-20-03 | 05:50 PM
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The 555 can't even compare to the SP8000 he was fibbing you. The 8000 was a leader in it's day. Lower treadwear rating and much stickier than the 555.

I would suggest getting the pirellis for the rear also.

rishie
Old 02-20-03 | 07:45 PM
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Get Pirellis all around
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