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Old 10-18-2007, 10:26 PM   #1
sti-06
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Default Fk452 vs Rt615 255/40/17

I am getting new tires and came down to these 2. I dont auto-x or track the car, drag very rare. Daily driver, dont have $800 for re1or's so thats out of choice. I pm'ed teh clap. got his idea. Would like some more ideas.

I have stock wheels with tanabe gf210.

Some say dont get 255 on stock wheels, some say go wide or go home

What u guys think, how many miles i will get from rt-615's with street driving?


Some might ask ''if you dont auto-x or track why the hell get wider tires?'' Lil bit more traction on the street and price is only $20-$30 more than 225's
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Old 10-18-2007, 10:42 PM   #2
STi-MAN
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if youd not really going tracking what about kumho mx's? they're a pretty good all around tire except for the soft side walls.

also the price of kumhos are pretty cheap i got mine for around 115 a tire from tirerack when it was on sale.

I'm on Re01r's now and man they are great but did cost alot... very very noticible difference coming from the kumhos, but again you dont track so i dont know if its worth the money.

and on another not why not just 245's.. they'll fit better on the stock rims.
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Old 10-18-2007, 10:53 PM   #3
SilverSubie2.5
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I'd be interested to see what is recommended here as well. If you are going to be getting something soon, check DTD for a nice saving ($100 off and free shipping.)
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Old 10-18-2007, 10:54 PM   #4
sti-06
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if i get 245's i dont have choice but fk452's because rt-615's are not offered in 245.

I looked into kumho's too fk452 still cheaper everywhere I look.

I want to get most for my money, thats why I wanted to 255's. There is only $20-$30 difference between the 2 sizes.
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Old 10-18-2007, 10:58 PM   #5
sti-06
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Quote:
Originally Posted by SilverSubie2.5 View Post
I'd be interested to see what is recommended here as well. If you are going to be getting something soon, check DTD for a nice saving ($100 off and free shipping.)
Thanks thats where I will be getting them.
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Old 10-20-2007, 12:22 AM   #6
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452 are very good tires; I would not know what to do with a tire that handles any better/ great wear also
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Old 10-20-2007, 01:00 AM   #7
Yoo Shin
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I run both these tires and I have to ask first how important is wet performance to you?

The RTs are nice (though still won't compare to your the RE070s) but do not do well in the wet 1/2 way through their life. They do well in dry conditions and have a very predictable feel.

The FKs are great in the wet and at anywhere 1-7/10ths of there ability but once you push them to hard, they lack feedback and grip is unpredectable.
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Old 10-20-2007, 04:05 AM   #8
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Quote:
Originally Posted by Yoo Shin View Post
I run both these tires and I have to ask first how important is wet performance to you?

The RTs are nice (though still won't compare to your the RE070s) but do not do well in the wet 1/2 way through their life. They do well in dry conditions and have a very predictable feel.

The FKs are great in the wet and at anywhere 1-7/10ths of there ability but once you push them to hard, they lack feedback and grip is unpredectable.
I disagree that the RE070 are better than the rt's. I’ve had both and prefer the rts much more. You are right about them not being very good in the rain on less than full tread.

I recommend the rt-615s you cant go wrong and cant get anything better for the price in my opinion.
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Old 10-20-2007, 01:47 PM   #9
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Quote:
Originally Posted by sti-06 View Post
if i get 245's i dont have choice but fk452's because rt-615's are not offered in 245.

I looked into kumho's too fk452 still cheaper everywhere I look.

I want to get most for my money, thats why I wanted to 255's. There is only $20-$30 difference between the 2 sizes.
You might think you're getting more for your money, but 255/40s aren't even recommended for an 8" wide wheel as the widest recommended by tire manufacturers is a 245/40. That doesn't mean you won't be able to mount them, but I already prefer the feel of 225/45s to 245/40s on 8" wheels so I think 255/40s will only make things worse. While the 245/40s might have an advantage in grip, the 225/45s offer better feel and allow me to use the grip better in situations where I don't get multiple shots at getting a corner right. My personal recommendation is 235/40 RT615s if you don't care about rain traction. The gearing advantage of 235/40s will be an advantage in drag situations anyway.
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Old 10-20-2007, 06:48 PM   #10
Td5turbo
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Your contact patch is going to deform, leading to less performance out of the 255's than could be had if you had wider wheels.

That being said, the 245's are going to have a much more purposeful feel (meaning, a feel the manufacturer intended). Even 235's wouldnt be a bad choice.

More isnt always better.
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Old 10-21-2007, 09:39 PM   #11
Yoo Shin
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Quote:
Originally Posted by slalom274 View Post
I disagree that the RE070 are better than the rt's. Iíve had both and prefer the rts much more. You are right about them not being very good in the rain on less than full tread.

I recommend the rt-615s you cant go wrong and cant get anything better for the price in my opinion.
Let me clarify. Wet performance, feel and control is better with the RE070. RTs out grip the RE070 IMO. RTs are a lot quieter and smoother as well. I think a lot of these characteristics have to do with the brick stiff side walls of the REs.
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