[Miata] 195/60s vs 195/50s

[Larry Alster]

No I meant 195/55/14

He mentioned using 195/60/14 and the normal size ratio for that tire is 195/55/14 not 60.

Larry
 
White Knight      1991 Crystal White   #99 CSP
Silver Bullet        1992 Silverstone     #17 SM2  FM I+ Turbo
Honey B             1992 Sunburst Yellow
Whooosh           2004 Titanium Mazdaspeed MX-5
 
LowCountry Miata  http://www.lowcountrymiataclub.net
Masters Miata
RAGS 074
  ----- Original Message ----- 
  From: Bryan Wyatt 
  To: 'Miata List' 
  Sent: Tuesday, February 20, 2007 4:49 PM
  Subject: Re: [Miata] 195/60s vs 195/50s


  You mean 185-60-14, right?  195-55-14 is the same diameter as stock, just wider.

  -Bryan

  Larry Alster <Larry at Miata.net> wrote:
    The normal 14" size would be 195/55/14.


    Larry

    White Knight 1991 Crystal White #99 CSP
    Silver Bullet 1992 Silverstone #17 SM2 FM I+ Turbo
    Honey B 1992 Sunburst Yellow
    Whooosh 2004 Titanium Mazdaspeed MX-5

    LowCountry Miata http://www.lowcountrymiataclub.net
    Masters Miata
    RAGS 074
    ----- Original Message ----- 
    From: "the.jack" 
    To: "'Miata List'" 
    Sent: Tuesday, February 20, 2007 2:13 PM
    Subject: Re: [Miata] 195/60s vs 195/50s


    >> -----Original Message-----
    >> From: glen mccready [mailto:gkm+miata at petting-zoo.net]
    >> Subject: Re: [Miata] 195/60s vs 195/50s
    >>
    >> Specification Sidewall Radius Diameter Circumference
    >> Revs/Mile Difference
    >> 195/60-14 4.6in 11.6in 23.2in 72.9in 869 
    >> 0.0%
    >> 195/50-15 3.8in 11.3in 22.7in 71.2in 
    >> 889 -2.3%
    >>
    >> So, the 15in setup will give you slightly lower gearing, the
    >> gearing may help acceleration, but that assumes you keep the
    >> unsprung weight comparable (ie. buy wheels that weigh the
    >> same or less than your 14s). The 15in setup also has
    >> significantly less sidewall which should help turn-in
    >> response, but also means you're effectively losing some
    >> spring rate from the tire so if you think the ride is harsh
    >> now, stick with the 14s for more sidewall. And it gets more
    >> interesting when you consider what rim width you're going to
    >> stretch the 195mm patch over, so that's a whole other story...
    >>
    >> Clear as mud?
    >>
    >> glen
    > -----Response-----
    >
    > I knew about the .8" difference in sidewall (thus less spring), I just 
    > realized that I'm not sure of the stock 5-spoke 14s
    > width... I was thinking 6", but they might be 5.5... The 15s would almost 
    > definitely be 6.5, and the weight might actually go down:
    > considering Heliums and (as I mentioned) Hankooks which would be (ignoring 
    > tolerances and balance weights) 29.4#, versus 31# with
    > the 14" Hankooks and the 12.5# stock rims (also, as you mention, they are 
    > a touch taller, so that weight is through a larger
    > radius...)... In anycase I'm considering the weight difference close 
    > enough not stay up all night worrying.
    > Also, FWIW, I have 195/60s (Ziex 512s) on there now and they "bulge" a bit 
    > too much for me, so in that respect the 195/50s
    > on wider rims would "sit better" on the rim (to me).
    > I guess I'm looking for a "subjective" comment on the differences. I like 
    > my steering response and the ride isn't too
    > important to me (still on stock suspension) as my Miata is basically a DD 
    > for me, most long trips or anything with "cargo"
    > (shopping, visiting, etc) are done in the SAAB, so I can skimp on the 
    > "luxury" aspects of my car :) But if I'm not actually going to
    > gain a lot of control or handling from the 15s then I'd like to add a 
    > sweet sounding exhaust over a new wheel/tire set.
    > I think I mixed the muddy water up a bit :/
    >
    > Chris C.
    > 99 Mazda Miata 5-sp Emerald
    >
    >
    > _______________________________________________
    > Miata mailing list
    > Miata at list.realbig.com
    > http://list.realbig.com/mailman/listinfo/miata
    > 

    _______________________________________________
    Miata mailing list
    Miata at list.realbig.com
    http://list.realbig.com/mailman/listinfo/miata





  No signature...the choice of a New Generation


------------------------------------------------------------------------------
  Need Mail bonding?
  Go to the Yahoo! Mail Q&A for great tips from Yahoo! Answers users.


------------------------------------------------------------------------------


  _______________________________________________
  Miata mailing list
  Miata at list.realbig.com
  http://list.realbig.com/mailman/listinfo/miata
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://list.realbig.com/pipermail/miata/attachments/20070220/33fdbf00/attachment.html