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  1. #1

    Default 245 on a 8" rims


    Can anyone confirm that a 245 tire will fit on a 8" wide rim?
    2000 Silverado 5.3L Z71 4x4: K&N air filter, Procomp 16x8 rims, 285/70R16 Toyo AT2s, Kenwood head unit, Alpine 500.1 amp, 12" kicker, Infinity 5.25" speakers, Bilstein HD shocks, EBC GD Sport dimple & slotted front rotors w. EBC green stuff pads, Brembo slotted rear rotors & HIDs.

  2. #2
    Master Mechanic clgoch187's Avatar
    Join Date
    Aug 2010
    Gettysburg, Pennsylvania, United States

    Default problem
    03 Silverado 1500
    285/75/16 BFG's
    2 Blaupunkt 10" vW1000 subs in Subthump box
    ProComp Level Lift & 3" rear blocks

  3. #3

    mfleetwood's Avatar
    Join Date
    Jul 2010
    Denver, CO
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    X2, yes it will fit. Here is some info if you want to double check (I used 70/17s, so you will have to enter the size you are looking for.

    Stock Tire - 245/70R17
    Section Width: 9.64 in 245 mm
    Rim Diameter: 17 in 431.8 mm
    Rim Width Range 6.5 - 8 in
    Overall Diameter: 30.50 in 774.7 mm
    Sidewall Height: 6.75 in 171.45 mm
    Radius: 15.25 in 387.35 mm
    Circumference: 95.81 in 2433.5 mm
    Revs per Mile: 681.9

    Mike (Denver, CO) - 2008 Sierra 1500 Z71 SLE 5.3L 4WD

    SUSPENSION: Rancho 4" Suspension Lift; Rancho RS9000XL Shocks; Rancho Skid Plates; Rancho MyRide Wireless Shock Controller;
    BFG All Terrain KO 315/70/17
    DRIVE TRAIN: 4.56 Gears; Detroit TrueTrac Differential; True Cool 40k Transmission Cooler
    PERFORMANCE: DiableSport Predator Tuner; Custom Tuned by Diablew; Magnaflow Exhaust; AFE Cold Air Intake
    ELECTRONICS: Kenwood DNX6180 Touchscreen; Subthump box w/10" Kicker; Driver Information Center (DIC); Rear View Camera
    ACCESSORIES: Westin Brush/Grill Gaurd; Westin Nerf Bars; Truxedo Tonneau; 20% Tint; Tow Mirrors w/Heat & Signals

  4. #4


    Yes they will fit. Have 275/45-20's on my wifes Trailblazer with 20X8 Helo's so the 245 will be fine on a 8" wheel.

  5. #5


    Can I add another, "yes, they will fit fine." with another reason why. If you look at the specification sheets that tire manufacturers put out (some sites like tirerack have them, too), you will see that manufacturers usually like to see the rim width be between about 65% and 90% of the section width. 8 inches is about 200 mm, which is about 82% of 245 mm. Well within the accepted rim width for a 245 mm tire.
    '98 K1500 Suburban LS 5.7 L 4L60E NV246 ARB
    '92 Ford Explorer XLT 4x4 4.0 L A4LD BW13-54 Trac-loc rear
    "My toys were the greasy cogs and springs and pistons that lay around all over the place, and these, I can promise you, were far more fun to play with than most of the plastic rubbish children are given nowadays." Danny in Roald Dahl's Danny The Champion of the World

  6. #6


    What's the aspect ratio?
    When you hear hoofbeats, look for horses not zebras.

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