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  1. #1
    Join Date
    Oct 2004
    Location
    Tigard, OR
    Posts
    2,658

    Tires that fit the MKII Rims (stock) and Where to get them

    A common recurring question amongst new patrons to CelicaSupra.com is where to get replacements for the stock 225/60-14 tires. Assuming you're rocking the stock 14x7 P-Type rim (that seems to be the most common) you'll need to look around, availability keeps getting slimmer.

    Quick Facts:

    • 82 - 86 P-Type is 14x7 +8 offset.
    • 82 - 84 L-Type is 14x5.5 +27mm offset.
    • 85 Only L-Type is 15x6 +20mm offset.


    How to Read your Tire Size

    Tires are rated with a series of numbers (most tires other than tractor, off-road/truck, and atv/bicycle tires) that read something like this 225/60-R14

    The first number 225 is the actual width of the tread of the tire in Millimeters. This means the contact area of the tire is 225mm wide (or about 8.9")

    The second number 60 is a RATIO, like a fraction. It is a ratio of how tall the tire sits off of the ground from the edge of the rim to the ground. This is called the Sidewall Profile In this case the 60 means that the height of the tire is 60% of the 225mm width. You can figure this out easily by multiplying 225*.6 (60%) which gives you a sidewall height of 135mm or about 5.3". The lower this number means the less rubber there is between the rim and the road. The benefit is increased handling performance because of less sidewall flex The downside is that you increase the chance damaging your rims from huge potholes, and the tires are much more difficult to install (yourself).

    The last number R14 reads like this, the R simply means it's a Radial tire instead of a Bias tire. This is simply the modern standard method of manufacture, Bias-ply tires pretty much suck, don't ride or hold up as well for a number of reasons. If you want to know, go google it. Some tires will list the R others will not. The number we care about is the 14, this is the diameter of the tire/rim. You HAVE to match this number, otherwise the tire either won't fit, or you risk serious danger to your person and vehicle.

    Use this Wheel/Tire Size Calculator for figuring out What Tire will fit what rim, and how much it will change your actual ground speed vs. indicated.

    What tires Fit the Stock 14x7 Rim

    Apparently the widest tire you can economically (by that I mean NOT cost $200 per tire) put on 7" wide 14" rim is a 245 tire in a 60 series.

    Where to Find Tires

    TireRack.com - Good Reputation
    Tires-Easy.com - Huge Selection, Unknown reputation
    VulcanTire.com - Specialize in Race/Auto-X tires, Falken Azenis, Yoko Avid etc.

    There are others like DiscountTire.com and LesSchwab.com but they charge like 15% more.

    As of Writing this

    A 245/60-14 is:
    • 1" taller overall, which means the car sits 1/2" higher
    • 1" wider overall
    • Will travel 2.3mph FASTER than Indicated


    245/60-14's only available @ Tires-Easy.com starting @ $76

    A 235/60-14 is:
    • 1/2" taller overall, which means the car sits 1/4" higher
    • 1/2" wider overall
    • Will travel 1.2mph FASTER than Indicated


    235/60-14's available @ Tires-Easy.com starting @ $62-$82
    235/60-14's available @ TireRack.com starting @ $78
    235/60-14's available @ VulcanTire.com starting @ $63 & $98

    Stock Tire Size

    225/60-14's available @ Tires-Easy.com starting @ $67-$77
    225/60-14's available @ TiresRack.com starting @ $78

    SMALLER THAN STOCK Tires

    A 225/50-14 is:
    • 1.7" shorter overall, which means the car sits 7/8" lower
    • Same Width overall
    • Will travel 4.2mph SLOWER than Indicated


    Lower Profile 225's (PERFORMANCE - Toyo, Kumho, Hoosier)
    225/50-14's available @ Tires-Easy.com starting @ $147-$190
    225/50-14's available @ TireRack.com starting @ $178-$201


    A 215/60-14 is:
    • 7/16 shorter overall, which means the car sits about 3/16" lower
    • 7/16" narrower overall
    • Will travel 1.1mph SLOWER than Indicated


    Economy --> Performance (best selction, about 20 to choose from)
    215/60-14's available @ Tires-Easy.com starting @ $31-$125
    215/60-14's available @ TireRack.com starting @ $67-109
    215/60-14's available @ VulcanTire.com starting @ $59

    A 205/60-14 is:
    • 7/8" shorter overall, which means the car sits about 7/1616" lower
    • 3/4" narrower overall
    • Will travel 2.3mph SLOWER than Indicated


    Economy --> Performance
    205/60-14's available @ Tires-Easy.com starting @ $43-$87
    205/60-14's available @ TireRack.com starting @ $49-$191
    205/60-14's available @ VulcanTire.com starting @ $49-$69

    Hope that helps and happy motoring.
    Last edited by kmfdmk; 07-12-2008 at 01:45 AM.

  2. #2
    Join Date
    Nov 2004
    Location
    Graham, WA
    Posts
    5,075
    A 215/60-14 tire would be ~1.1 mph slower
    -Chris

    1983 Celipra GTS:
    6M bored .50 over. 250cc injectors. Delta 272 regrind cams. Carter HF fuel pump.
    Pacesetter header w/2.5" cutsom exhaust. Open air intake filter. 3" piping to TB. 65mm TB & ported AFM.
    4:10 rear from Supra. BillyM shifter kit. Swapped most interior over to black. T3 camber plates.
    935 Budget Coilover kit. KYB AGX struts. T3 Needle bearing upper perch kit. Eibach Sport rear supra springs. SF Ford TFI Performance coil.
    Almost finished with the fiberglass hatch!

  3. #3
    Join Date
    Oct 2004
    Location
    Tigard, OR
    Posts
    2,658

  4. #4
    Join Date
    Nov 2004
    Location
    Graham, WA
    Posts
    5,075
    You have a ton of info that you did the research for. It is a great job and you made a little mistake. I commend you on taking the time to go through and do this since it will save a lot of people time when searching for tires for the stock rims.
    -Chris

    1983 Celipra GTS:
    6M bored .50 over. 250cc injectors. Delta 272 regrind cams. Carter HF fuel pump.
    Pacesetter header w/2.5" cutsom exhaust. Open air intake filter. 3" piping to TB. 65mm TB & ported AFM.
    4:10 rear from Supra. BillyM shifter kit. Swapped most interior over to black. T3 camber plates.
    935 Budget Coilover kit. KYB AGX struts. T3 Needle bearing upper perch kit. Eibach Sport rear supra springs. SF Ford TFI Performance coil.
    Almost finished with the fiberglass hatch!

  5. #5
    Join Date
    May 2006
    Location
    Bellevue, WA
    Posts
    1,475
    fantabulous write up! Subscribed!
    - Tim
    82 Light blue P-type 6MGE (RIP ).
    Betty - 82 Red panda.
    Tommy - 85 Blue/Silver Two-Tone (6MGE).

    Quote Originally Posted by silverton
    I have the same problem, and I even have performance rubber

  6. #6
    Join Date
    Mar 2003
    Location
    Auburn, WA.
    Posts
    5,753
    I recently put a Michelin 215/60-14 up against a 225/60-14 cooper cobra, both on stock p wheels. Quick conclusions-215s give you straighter sidewall, thus utilizing more tread surface. Manufacturers specs vary, look closely at specs of same tire type in BOTH sizes mounted on 7 inch rim, and you will see that some 215s have similar or same tread width listed! Only drawback is if you need/want height(Speedo accuracy/Looks).
    86 SDR-"Shuttlecraft" 16" Drag dr-27 wheels, Coilover/AGX/Celica Arms front, Camber Mod/Cut Springs rear, Poly Bushings all around, Whiteline sway bars, 12" Homemade bbk front and rear, Weir Diff bushing, Pacesetter with custom RABID CHIMP mandrel bent 2.5 with Flowmaster resonator, short shifter, 5m-GZE using upgraded sc-14 Toyota supercharger, with Custom RABID CHIMP piping..

  7. #7
    Join Date
    Jun 2006
    Location
    NFLD. Canada
    Posts
    2,384
    Yes great write up !! This tire calculator has helped me for years so maybe it can help someone here as well..

    http://www.miata.net/garage/tirecalc.html

    offset calculator

    http://www.1010tires.com/WheelOffsetCalculator.asp
    Thanks for all the good times CS.com ,, Keep those MKII's rollin

  8. #8
    Join Date
    Oct 2004
    Location
    Tigard, OR
    Posts
    2,658
    Quote Originally Posted by Yotaholic View Post
    Yes great write up !! This tire calculator has helped me for years so maybe it can help someone here as well..

    http://www.miata.net/garage/tirecalc.html

    offset calculator

    http://www.1010tires.com/WheelOffsetCalculator.asp
    I never liked the Miata calculator because it doesn't properly update the image with the side by side comparison of overal tire height, sidewall height, and rim diameter.

    Which is why I love this one over @ BigCustomWheels becuase you can play with both tire size, rim size, AND offset all at once and compare them.

  9. #9
    Join Date
    Jul 2008
    Location
    Lehi UT
    Posts
    3

    235/60-14s the cheapest I've found

    I bought some uniroyal tigerpaw gts tires about 2 months ago for like $50 a tire on onlinetires.com [URL="http://www.onlinetires.com/default.aspx?PageData=tireResults"] they also have cooper cobras and bfgoodrich radials. Shipping was pretty good too, but it looks like they've upped their prices a little since then.

  10. #10
    Join Date
    May 2008
    Location
    Saint Helens, Oregon
    Posts
    36
    KM......Thanks for the info as I am searching now for replacements. You really helped me out. I was having a helluva time searching.
    PO

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