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rim upgrade from 185/70/14 to 235/45/17. Sorry no pics, Advice please

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    #1

    rim upgrade from 185/70/14 to 235/45/17. Sorry no pics, Advice please

    So i'm changing from the stock steelies to those 17" rims, what can i expect in terms of performance other than more grip. I already know about like increased suspension and bearing/joint wear, but then i've also heard about hydroplaning due to too much rubber contact on wet roads, but that factor can be negated due to the weight of the car (that is, the car ain't no lightweight) i'm not too sure on that issue, i would like some knowledge there. Also with the fact that i wont be gettin as much revolutions as the stock rim, i may be going slightly faster than what the actual speedometer is saying. Example like, if the speedo is sayin 65, i would be really doin 68. But what about like the feeling of sluggishness (what would i feel in that matter) and the effect on the turning circle (would that decrease by much?). I'm just really wanting some insight as to what is to be expected overall.

    Thanks
    JACB3
    '91 Concord Metallic Blue. Status: under construction
    Tags: None
    #2
    yes on the hydrow planing some what. i have the same size tires. 235 40 r 17

    yes it will mess it 4 mph. had it calabrted. well yes and no to feeling slugggs slower. yes if they way more then old rims. and no becouse the may be lighter.


    The Race Car

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      #3
      Check this: http://www.miata.net/garage/tirecalc.html

      I think it would helps you

      Comment

        #4
        235 is crazy wide! You fit those on your CB7, beerman?

        I'm running 225/45/17, and I still rub a little. I wanted 45 instead of 40, as I've dented my wheels pretty badly with 40s on there.






        Comment

          #5
          185/70 for a 14" is a wowzer! i had 195/60 on my 14"

          i would go with 16" if i could choose

          Be Clean

          Comment

            #6
            As was stated if the wheels you are getting are lighter than the stock wheels the car will pick up a little faster because it takes less work on the engines part to turn the wheels. so in turn thats kind of what messes with the speedo at times. please add any information if i am missing any guys. also are you lowering the car because if you are those might rub the 235/45/17

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