Which tire size with ccm 2.5 and 1.5 BL?? - NNBS

Discussion in 'Wheels & Tires' started by jerstilly, Jun 3, 2011.

  1. jerstilly

    jerstilly New Member

    Ok, well, I am still having the hardest time deciding what to run with this setup. NNBS 2.5 ccm leveling kit, zone 1.5" BL. With 18x9 Fuel Hostage with 4.5" or 5" Backspacing. They will be trail grapplers for sure, but between these 3 sizes what would you run, they have such odd sizes.

    (275/70R18) - 33.6x11x18 - 66 lbs, like the height, but may be too narrow for me

    (285/65R18) - 32.8x12x18 - 69 lbs, a bit shorter, but wider

    (295/70R18) - 34.5x11.7x18 - 72 lbs, taller and wide, but may require to much metal trimming, and may require me to regear, worse mileage(if you are runnign these tires could you fill me in on the fine details of what was required)

    arrrrrgghhhh, why dont they just make a 33x12.5x18- would make this a lot easier
  2. ajarman

    ajarman Epic Member 5+ Years ROTM Winner 1000 Posts

    I am running 295/70R17 (33.4X11.6) with just a level kit and had to just trim plastic. With the BL I would think go for the 295/70R18's. They are only 1/2 inch taller and you are going up 1 1/2 inches. You will have to trim but the others would have too much wheel well gap IMO.

    Do you have 3.42's or 3.73's?
  3. jerstilly

    jerstilly New Member

    I have the 3.42's with the 6 speed. How has your gas mileage been compared to stock?
  4. ajarman

    ajarman Epic Member 5+ Years ROTM Winner 1000 Posts

    Once I got my speedo calibrated I am sitting at 15.8 mpg and that is mostly back road driving. No faster than 60 mph. I have stock 3.42's also. Let me know what you go with cause I have looked into the zone 1.5 BL and will soon be getting 18's.
  5. silveradotrailblazer

    silveradotrailblazer Epic Member 5+ Years ROTM Winner 5000 Posts

    Welcome to the club.
  6. Rockstarrchevy81

    Rockstarrchevy81 Rockstar 3 Years ROTM Winner 1000 Posts

    My opinion you can run 325/60/18 which ='s a 33 13.50 just minor trimming of the plastic wheel well liner no cutting i ran this tire when i have just a 2.25 leveling kit from readylift.
  7. Blackout07

    Blackout07 Rockstar 3 Years 500 Posts

    If you go with a larger tire, then stay away from the wheels with 4.5" bs. I would go with the 5" bs and the 285's. Also keep in mind that Trail Grapps run big.

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