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  1. wiretap_md's Avatar
    wiretap_md
    wiretap_md is offline Tsikot Member Rank 3
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    June 2nd, 2003 10:33 PM #1
    Take my case as an example:

    OEM tire dimensions for the Suzuki Vitara is 205/70R15. The recommended tire pressure as stated in the door sticker is 23 psi front and 23 psi rear.

    I changed my tires 2 years ago to BF Goodrich T/A All terrain 235/75R15. Are the OEM tire pressures still applicable to my current tires? Currently, they are at 28psi cold for both front and rear.
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  2. Ungas's Avatar
    Ungas
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    June 2nd, 2003 11:10 PM #2
    AFAIK, same lang ang tire pressure even if you changed to a wider and taller tire. Maybe Suzuki wanted to maintain the soft plush ride kaya nila pinalalagay sa low pressure ang hangin. Believe it, even if I have 33 inch tires on my ride, we have the same tire pressure.
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  3. pajerokid's Avatar
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    June 3rd, 2003 03:30 AM #3
    I use the same prssure with all my tires. 31x10.5, 32x11.5 and 275/70
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  4. kiper's Avatar
    kiper
    kiper is offline PowerTORQ CrewMember
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    June 3rd, 2003 03:53 AM #4
    wiretap_md,

    tama ung ginawa mo..adding 5 psi is okay sa alrayt..!!:D
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  5. marwen's Avatar
    marwen
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    June 3rd, 2003 05:36 PM #5
    curious lang..

    ano diff. ng 31x10.5 sa 275/70
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  6. wiretap_md's Avatar
    wiretap_md
    wiretap_md is offline Tsikot Member Rank 3
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    June 3rd, 2003 08:28 PM #6
    I'm running now at 25psi. Adjusted it early this am before leaving for PGH. Syet! Grabe ang improvement ng ride. Di na matagtag and "damp" na ang feeling. Tried doing hard braking and cornering. Same pa din ang performance. I think I'm sticking to 25psi for the meantime.
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  7. Ungas's Avatar
    Ungas
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    June 3rd, 2003 09:07 PM #7
    marwen::: Here is a link for easier conversion. :D Convert metric to inch tire sizes click here!
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  8. boybi's Avatar
    boybi
    boybi is offline Tsikot Member Rank 8
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    June 3rd, 2003 09:22 PM #8
    sa patrol ko kaya, ano minimum pressure pwde?
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  9. kiper's Avatar
    kiper
    kiper is offline PowerTORQ CrewMember
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    June 4th, 2003 12:34 AM #9
    front - 29
    rear - 36

    tama diba?
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  10. boybi's Avatar
    boybi
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    June 4th, 2003 08:17 AM #10
    Quote Originally Posted by kiper
    front - 29
    rear - 36

    tama diba?
    yan yung manufacturer's specs. para akong nakasakay sa truck pag yan ang sundan ko. ginawa ko kasi 29 - 32, di pa rin gaano comfortable. binaba pa namin ni freeman kahapon to 29 - 30. mas ok ng konti. pwde kaya 28-28?
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  11. Ungas's Avatar
    Ungas
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    June 4th, 2003 01:47 PM #11
    boybi::: AFAIK, pwede pa sa 28-28. Kasi pag tumakbo ang gulong mo may madadagdag na 4-5psi pag uminit ang hangin sa loob ng goma.
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  12. boybi's Avatar
    boybi
    boybi is offline Tsikot Member Rank 8
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    June 4th, 2003 02:17 PM #12
    pwde ba yang 28-28 kung 6 adults ang nakasakay?
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  13. Ungas's Avatar
    Ungas
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    June 4th, 2003 03:46 PM #13
    I have used 28-28 on our van before 15 people ang karga ko.
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  14. boybi's Avatar
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    June 4th, 2003 05:49 PM #14
    ma try nga 8)
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  15. boybi's Avatar
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    June 9th, 2003 09:53 PM #15
    pwde ba 25-25 nalang? napanood ko sa powerzone sa discovery, yung LC80, naka 2 to 5 psi lang ang mga gulong? 8O
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  16. Ungas's Avatar
    Ungas
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    June 10th, 2003 12:07 PM #16
    boybi::: 5psi ang lowest tire pressure, provided the mags should have bead locks to prevent the tire/mag separation. Pwede rin naman siguro ang 25-25, basta wag mo lang itatakbo ng highways. At mas malakas sa konsumo ng petrol pag underflated ang goma.
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  17. kimpOy
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    June 10th, 2003 12:16 PM #17
    sir ungas, napansin ko nung naka Geolandar AT2 ako at 30psi, yung sidewall squarish, so taller rig, ngayon naman sa B/S at 30 psi din yung sidewall ko pa bilog, parang donut, hence parang bumama at mukhang malambot pero hindi naman, im not sure kung UNI-T technology nila ito, same 2 plys ang yokos and B/S

    try ko siguro mag 35 psi sa M/Ts ko
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    Ungas
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    June 10th, 2003 12:30 PM #18
    kimpOy::: Ganyan yata talaga ang mud tires, mabilog ang sides. Napansin ko rin yan from my old AT1 to MT1. Nagpalit ka rin ba ng mags? Ano width ng mags mo? Imo, matalbog ang 35psi, lalo na M/T threads kakaunti ang kapit sa roads. Lower than 30 psi should be safe, para may contact sa road ang shoulder blocks ng muds.
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  19. kimpOy
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    June 10th, 2003 01:44 PM #19
    ah ok
    same pa rin ang mags ko 15x8
    pero gusto kong ibalik sa 15x7 eh
    saka na siguro

    stay na lang ako sa 30psi
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  20. ARB's Avatar
    ARB
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    June 10th, 2003 01:49 PM #20
    most bridgestone tires have that design, see if may RCOT na letters sa side. parang ballon type ang design.
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OEM tire psi same as aftermarket tire psi?