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Interesting tyre wear info

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  • #1

    Interesting tyre wear info

    I was just flicking through a “Max Ellery” workshop manual and found the following info in the tyre section.

    Thought some of you might find it interesting.


    “Tyres driven with ¾ recommended air pressure have only ½ of the suggested tyre life”

    “Friction is proportional to velocity cubed. Double your driving speed, 8 times the wear, or driving speed increased from 100 km/h to 120 km/h doubles tyre wear”


    Mick
    [CENTER][B][I][SIZE=1][COLOR=blue]1KZ-TE Turbo Diesel, 5 speed manual, 3.5 inch lift, 265/70/17 Mickey Thompson MTZ, D-Tronic chip, Boost controller, mandrel exhaust, dump pipe, modified intake, ARB steel bar, Magnum winch, Safari snorkel, rear drawers, half cargo barrier, dual batteries, Uniden UHF, Sat Nav, reverse camera, Magellan XL , Tjm bash plates, ARB alloy roof rack, rear telescopic work light and numerous other modifications!!!
    Now with 3BAR MAP sensor & 18PSI Boost![/COLOR][/SIZE][/I][/B][/CENTER]
    Tags: None
  • #2
    Subject should have said:

    Caution Science content.

    I'll take your word for it mate
    Regards,

    Big Fella

    2007 Prado GXL D-4D Auto. Black. Cooper ATR's, ARB Bull Bar, Safari Snorkel, ARB Dual Battery, Sandgrabba Mats, Black Duck Seat Covers, Plastic Bits on the front, Mesh Grill Guard, Tinted Front Windows, Towbar, Reverse Sensors, Lightforce Blitz 240's, ORS Drawer System. ScanguageII, Stebel Truck Horn, Icom 440 UHF Radio and BIlstein/Ridepro Premium Lift Kit.

    If you can't fix it with a hammer...... you have an electrical problem.

    [img]http://img.photobucket.com/albums/v655/pradovx96/Web%20photos/emailsig.jpg[/img]

    Comment

    • #3
      more friction also means more power needed = more fuel burnt.. I have experianced greater fuel use if the tyres have less than 40psi in them.
      2004 GXL V6 5 speed auto. Cooper STTs, 40mm Lift, Scanguage II, Flyer batterybox, GME3400 UHF, Engel 40L, Safari Snorkel, IPF Xeon Headlight upgrade, Milford Cargo Barrier.
      [img]http://users.on.net/matthewv/4wd/prado.jpg[/img]

      Comment

      • #4
        But if you increased speed the Tyre would increase in the center thus decreasing the Tyre wear due to the small contact area. Would it not?
        ___________________
        Prado 04 TD manual

        Comment

        • #5
          Originally posted by Prado04
          But if you increased speed the Tyre would increase in the center thus decreasing the Tyre wear due to the small contact area. Would it not?
          In theory yes, but without doing the math the increase in speed would need to be a "ell of a lot" to turn the additional centrigual force into expanding rubber to offset the car's weight and added down force due to wind force over the upper body (bonet & roof)
          Easter-08 White GXL D4D Auto - delivered in near record time (5d) from placement of order. Has turned into a "Bermuda" or "Swiss fund" where $ get lost or converted into mods/accessories.

          Comment

          • #6



            Yep I'm lost :?
            [color=red]GXL D4D AUTO Option pack more to follow & Camprite TL8s[/color] [url=http://www.fuelly.com/driver/Chuck1/prado][img]http://www.fuelly.com/smallsig-metric/46023.png[/img][/url]

            Diabolus fecit, ut id facerem!

            Comment

            • #7
              E=MC Squared - cept my tyres are round - for the time being anyway.

              Comment

              • #8
                Why did I read this so early in the morning? :shock: :?
                2004 Grande V6 4.0L, Sovereign bar,Tow Pack,Hard Spare Wheel Cover,Rear Spoiler,Reverse parking sensors,Headlight & Bonnet Protectors,Pacemaker Headers,Safari snorkel,Stebel Nautilus Compact Truck Horn, Vapour Sequential Gas Injection , IPF 900 xs,Dual Battery ,radiator protection plate,K&N Airfilter,King Springs,GME TX3440,Waeco CF-60AC Verb,Reverse camera

                Comment

                • #9
                  Come on guys.... is it that hard?? you sound like a bunch of Pajero drivers...... :lol: :lol: :lol:

                  Mick :lol:
                  [CENTER][B][I][SIZE=1][COLOR=blue]1KZ-TE Turbo Diesel, 5 speed manual, 3.5 inch lift, 265/70/17 Mickey Thompson MTZ, D-Tronic chip, Boost controller, mandrel exhaust, dump pipe, modified intake, ARB steel bar, Magnum winch, Safari snorkel, rear drawers, half cargo barrier, dual batteries, Uniden UHF, Sat Nav, reverse camera, Magellan XL , Tjm bash plates, ARB alloy roof rack, rear telescopic work light and numerous other modifications!!!
                  Now with 3BAR MAP sensor & 18PSI Boost![/COLOR][/SIZE][/I][/B][/CENTER]

                  Comment

                  • #10
                    Originally posted by Matt
                    more friction also means more power needed = more fuel burnt.. I have experianced greater fuel use if the tyres have less than 40psi in them.
                    So what pressure do you guys run your tyres at for Highway, Sand, Etc.

                    I have the CrapTeck's at the moment and will be changing them soon, however the plackard on the door of the prado says,

                    190kPa or 200kPa (27-29psi) which to me seems to low.

                    Matt.
                    Big Dog
                    [B]2008 GREY GXL D4D[/B] with Sovereign Bar, PP Sticker, IPF 900 Spot/Spread Blue Covers, GME3440 UHF, AMTS Spacers, 275/65 R17 BFG's, Autocraft Sliders/Steps, Safari Snorkle, Hilux Washers, ARB Alloy Roof Rack, Ironman Awning [B]Yet To Come[/B] - 2" Lift, Dual Battery, AMTS Bash Plates, DIY Drawers, Diff Breathers, Rear Locker....Much More.

                    Comment

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