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Up the Tire size

Discussion in 'The Garage' started by kittykat4, Sep 29, 2006.

  1. kittykat4

    kittykat4 Registered Member

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    Ok guys, here is a question.

    right now i have 4 tires in poor shape (31/10.50/r15)

    i dont know what the rim size is :confused:

    i need 4 brand new all terrain tires to go on my 1986 Chevy K5 Blazer 4WD :k5:

    i have been told i can go up to 285's, is this true? :dunno:

    I am adding 2" blocks underneath to raise her up a little as well :weld:

    so any tips on how big i can go without looking stupid :screwy:

    PS I will have pics of her this weekend for all to see:p:
     
  2. nofeartruckin00

    nofeartruckin00 1/2 ton status

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    The r-15 means its on a 15"rim. Size depends, there is a post up top about pictures with tire sizes on trucks. a 285-75-15, depending on manf., is around 32" tall. 32-12.5-15 (285-75-15) usually fit stock in all-terrains with non-sagging springs.
     
  3. kittykat4

    kittykat4 Registered Member

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    WOW
    thank you very much

    you guys are really helpfull.
     
  4. makovai

    makovai 1/2 ton status

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    Don't forget......if you dont put the stock dia. of tire back on, your speedometer and odemter will be off.

    I noticed this when i put the 39x18x16.5 mickeys under my rig:D
     
  5. kittykat4

    kittykat4 Registered Member

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    yeah i thought about that. i do plan on going a little higher with blocks and tires. i dont think i will need to adjust the speedometer at all, but i will check that with another vehicle as i drive
     
  6. nofeartruckin00

    nofeartruckin00 1/2 ton status

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    2" blocks as in body lift, or blocks for under the leaf springs? Blocks on the front axle = big no no. With a 2" lift, 33's should fit no problem...
     
  7. kittykat4

    kittykat4 Registered Member

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    anyone know of good brands? :dunno:

    i have heard to stay away of firestones

    here is a list i have come up with of brands :wink1:

    input please :p:

    Michelin, BF Goodrich, Goodyear, and ProComp

    We do have a 4wheel parts in fresno but they are ****ing expensive:mad: :haha:
     
  8. kittykat4

    kittykat4 Registered Member

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    we looked under the front leafs and there are no blocks at all

    i know i can add them in the back for a 2" lift but i didnt know you can add them in the front as well
     
  9. nofeartruckin00

    nofeartruckin00 1/2 ton status

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    Well, you can't add them in the front. Well can but... anyways. It is highly unsafe to use blocks on the front axle, and the DOT for most states consider them illegal for use on any road with front blocks.
     
  10. obijuan

    obijuan 1/2 ton status GMOTM Winner

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    bfg all terrains always look good on regular blazers in my opinion, also BFG and michelin are the same company (as is bridgestone and firestone), just michelin are a little more expensive for the same tire casing, its basically the tread design you look for between them
     
  11. kittykat4

    kittykat4 Registered Member

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    thanks i will check into that
     
  12. kittykat4

    kittykat4 Registered Member

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    that helps cool
     
  13. nofeartruckin00

    nofeartruckin00 1/2 ton status

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    Not questioning if you have them already or not, just advising not to add them. Only reason I brought it up was because you said you were going to add 2" blocks, and I wasn't sure if you were implying 2" body lift blocks, or axle.
     
  14. kittykat4

    kittykat4 Registered Member

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    i dont know exactly what your talking about sorry. all i know is that they are blocks you can add by the leaf springs
     
  15. nofeartruckin00

    nofeartruckin00 1/2 ton status

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    Sorry to confuse you. Body lift blocks go between the body and the frame, thus lifting the body, and the other kind are the blocks you are talking about that go under the leaf springs.
     
  16. gmc4cw

    gmc4cw 1/2 ton status GMOTM Winner

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    goodyear MTR's are good tires. I have over 41K miles on mine. Firestone are not bad tires, they got a bad rap because FORD was underinflating them on exploders. because of that ALL new cars(not just ford) built after 2008 will have standard tire inflation monitor systems. just what we needed, more electronics.
     
  17. '79shortbox

    '79shortbox Registered Member

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    I'm partial to the BFG allterrains myself. 32-11.50r15 should fit with no rubbin' and maybe 33's. Also have to agree with blocks between the front axle and springs is a big no no.
     
  18. spoolnaround

    spoolnaround 1/2 ton status

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    Check Wally Marts prices when you go to get tires. If you find a good price in a mag and decide to try 4WP, take it to them and tell them you will buy the tires from them if they give you their price and they forget shipping (they will charge you) since you have to pay tax. They usually bite with out a prob on that. America's Tire is a good place in Fresno to get tires as well (there is like 3-4 locations). Consider a General Grabber too, not a bad tire in my opinion. There is a spring company down town by Grizzly Stadium that will re arch your springs for like $80, I have a set of 2 1/2 blocks you can have for under the rear springs, I might even still have U-bolts too.
     
  19. kittykat4

    kittykat4 Registered Member

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    wow, thank you so much. i will consider your offer.
     
  20. pauly383

    pauly383 Daddy383 Staff Member Moderator

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    You know what I learned , if you actually ever wheel at all , and catch the "disease" . Those 33's will be too small . And when you go up another size again , 35's , and wheel once , those will be too small too . Its been a month , and I am already dreaming of 37's..................and I am about to pay off my discount tire card too :yikes:
     

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