2nd Generation Specific 1986-1992 Discussion

A Little Quickie Help

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Old Sep 6, 2003 | 09:04 AM
  #1  
RX7 13B 4 UR AZZ's Avatar
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can I go a little bit wider than 205? mabey 215?
Old Sep 6, 2003 | 11:33 AM
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yes, but it will handle best with the 205's



mike
Old Sep 6, 2003 | 11:36 AM
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Originally Posted by j9fd3s' date='Sep 6 2003, 08:33 AM
yes, but it will handle best with the 205's



mike
Why?
Old Sep 6, 2003 | 12:01 PM
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Originally Posted by 75 Repu' date='Sep 6 2003, 09:36 AM
[quote name='j9fd3s' date='Sep 6 2003, 08:33 AM'] yes, but it will handle best with the 205's



mike
Why?[/quote]

The tire sidewall will be too puffed out when you put a wider tire on the stock rim. This will decrease the lateral hold between the car and the road. For a sportscar, you want the tire section width and rim width to be about the same.

If you with a too narrow tire on a rim, then the sidewall starts to feel the pressure of the road, and can peel away from the rim in hard cornering (but no one told that to the ricers )
Old Sep 6, 2003 | 12:06 PM
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Well, if you stay 60 series but go to 215 or 225, you will have a more bowed out sidewall which, during hard cornering, will flex in such a way as to lift the inside tread off the pavement. This is why wide tires on race cars are attached to wide wheels, to keep the tread from changing its parallel angle, relative to the pavement, during cornering.



Wider tires could give more traction but the bowing out sidewalls can make the car feel less solid before it breaks traction in a curve. My Acura is like this - 196 /60 tires on a 5.5" rim - during hard cornering the outside tread of the tires are getting most of the contact with the insides rolling up. Of course, I have stock camber on the Integra so it could be improved by dialing in some negative, but that would wear the insides of the tires during street (mostly straight) driving.



I would just take the money you would spend on wider tires and put it toward better compound tires in the stock size.
Old Sep 10, 2003 | 12:36 AM
  #6  
RX7 13B 4 UR AZZ's Avatar
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I got some falken Tires Man they grip. A 6k dump and it chirps and wham! !! you are off. I get no squirm on hard corners or on long smooth curves like the old tires. I have to learn to do drifts into the cornere now it is not as easy with good tires as the tires that had about 1/8 inch tread left. You could barley cacth a finger nail in the thread.
Old Sep 10, 2003 | 07:21 PM
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Falken Azenis?
Old Sep 10, 2003 | 07:43 PM
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RX7 13B 4 UR AZZ's Avatar
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nahh I wish thoes things look mean LOL.



That will be my next set in a bout 2 months
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