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  1. Join Date
    Dec 2005
    Posts
    38,707
    #61
    Quote Originally Posted by red_one View Post
    This is the 12V AC-DC car power supply that I use. Max 10A or 120W. I do not need to turn on the car engine. I just plug this to AC outlet. It is universal voltage so can plug into 100-240V AC.

    I have a similar one ....

    I have a 12V power supply and I just connected a cigarette lighter outlet...

  2. Join Date
    Jul 2019
    Posts
    44
    #62
    Hi folks,

    I have a question regarding tire pressure gauge accuracy.

    I'm contemplating to buy a tire pressure gauge and I saw one in Blade Auto Center, its brand is OMP with accuracy of +/-1.
    What does +/-1 accuracy mean? Is that accuracy good?

    Many Thanks.

  3. Join Date
    Mar 2008
    Posts
    37,958
    #63
    Quote Originally Posted by Suzumiya View Post
    Hi folks,

    I have a question regarding tire pressure gauge accuracy.

    I'm contemplating to buy a tire pressure gauge and I saw one in Blade Auto Center, its brand is OMP with accuracy of +/-1.
    What does +/-1 accuracy mean? Is that accuracy good?

    Many Thanks.
    it means that the real value is somewhere within -1 to +1 unit (psi?) of the reading displayed on the gauge.
    that is, assuming the gadget is truly accurate, out of the box.
    but that's another question, altogether..
    Last edited by dr. d; November 6th, 2019 at 09:30 PM.

  4. Join Date
    Jul 2019
    Posts
    44
    #64
    Quote Originally Posted by dr. d View Post
    it means that the real value is somewhere within -1 to +1 unit (psi?) of the reading displayed on the gauge.
    that is, assuming the gadget is truly accurate, out of the box.
    but that's another question, altogether..
    Alright. Thanks.

  5. Join Date
    Dec 2009
    Posts
    2,402
    #65
    Quote Originally Posted by box_type View Post
    or may bengkong na yung lip ng mags mo like what happened to my mags nung binuhusan ng water with soap yung pito hindi bumula pero nung binuhusan yung lip dun na bumula ng husto dun pala sumisingaw although napaka konti ng singaw the tire loses about 1-2 psi every 4 days, kaya ang ginagawa ko every friday top up ng hangin and then on monday before going to work top up ulet.
    This could also be caused by running a flat tire

    Sent from my SM-A520W using Tapatalk

  6. Join Date
    Mar 2020
    Posts
    6
    #66
    Ano po correct/recommended tyre pressure ng vehicle ko?

    Vechicle: Toyota Fortuner 2015 (2" lifted)
    Tyres: Monsta AT 265/70R17
    Wheels: Fuel Vapor 17"

    Newly changed po yung wheels ang tyres ko 1 week ago. Hindi na ako sure if kailangan ko pa sundin yung nasa door panel ko (30 PSI) - ganito rin sabi ng shop kung saan ko binili yung wheels/tyres, 30 to 32psi lang daw.

    Pagka-30 kasi feeling ko masyadong yupi yung gulong.

  7. Join Date
    May 2016
    Posts
    458
    #67
    Quote Originally Posted by Darc View Post
    Ano po correct/recommended tyre pressure ng vehicle ko?

    Vechicle: Toyota Fortuner 2015 (2" lifted)
    Tyres: Monsta AT 265/70R17
    Wheels: Fuel Vapor 17"

    Newly changed po yung wheels ang tyres ko 1 week ago. Hindi na ako sure if kailangan ko pa sundin yung nasa door panel ko (30 PSI) - ganito rin sabi ng shop kung saan ko binili yung wheels/tyres, 30 to 32psi lang daw.

    Pagka-30 kasi feeling ko masyadong yupi yung gulong.
    Driver's door sticker is still accurate if similar aspect ratio. Mostly 30 to 32 is safe. Adjust depending on load or terrain na lang.

    If you get lower profile tires, that's when you need to increase pressure para mag stiffen sidewall.

  8. Join Date
    Mar 2008
    Posts
    37,958
    #68
    Quote Originally Posted by Darc View Post
    Ano po correct/recommended tyre pressure ng vehicle ko?

    Vechicle: Toyota Fortuner 2015 (2" lifted)
    Tyres: Monsta AT 265/70R17
    Wheels: Fuel Vapor 17"

    Newly changed po yung wheels ang tyres ko 1 week ago. Hindi na ako sure if kailangan ko pa sundin yung nasa door panel ko (30 PSI) - ganito rin sabi ng shop kung saan ko binili yung wheels/tyres, 30 to 32psi lang daw.

    Pagka-30 kasi feeling ko masyadong yupi yung gulong.
    i read somewhere, that we can overinflate it by 10% over the recommended psi, as long as we do not go over the tire's maximum psi.
    i have been doing it for many years now, and the tires do not seem to complain by showing abnormal tire wear pattern.
    n.b. my tires are factory spec.

  9. Join Date
    Sep 2015
    Posts
    9,341
    #69
    ako 40 sa likod, 35 sa harap. Ako lang nag-analyze ganito setup. Naisip ko kasi yung gulong ng formula 1 racing malaki sa likod kaya ganun ginawa ko sa hangin.

    tapos pakita ko sa vulcanizing if maganda kain ng gulong.

  10. Join Date
    Mar 2004
    Posts
    8,912
    #70
    Quote Originally Posted by dr. d View Post
    i read somewhere, that we can overinflate it by 10% over the recommended psi, as long as we do not go over the tire's maximum psi.
    i have been doing it for many years now, and the tires do not seem to complain by showing abnormal tire wear pattern.
    n.b. my tires are factory spec.
    It's the suspension that will complain ... usually the stabilizer link goes first ...

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Tyre pressure