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f 134 with big tires

Discussion in 'Early CJ5 and CJ6 Tech' started by mrhp, Apr 17, 2007.

  1. mrhp

    mrhp Member

    Hi guys, been doing lots of reading but not alot of posting. I do however have a question. I have a 64 cj5 with a f134 t 90 and 5:38 gears and 31 10.50 15 tires. Runs real good up and down hills. Take off from a stop sign in 2nd gear. Pull hills in 3rd and can gain speed. Not a road rocket mind you but it runs real good. I am looking at putting 9.00x16 tires on it. I measured a tire not mounted and it measured 34 3/4 tall. I would think on a 8 inch wheel around 34. Will my f134 be able to push these tires on the road and what type of wheel would be necessary for this tire. I have 4 inch lift springs and poly bushings going on it for clearance. I also have 10 and 11 inch brakes to install. Has anyone run 9.00x16 tires on there jeep and had problems. In the woods I can use low range for power. Any opinions would be helpful. I find this site very informative. thanks from a new guy!
     
  2. kaiser_willys

    kaiser_willys Well-Known Member

    i have not done it but dont think you are gonna have any power problems,the f4 has alot of torque due to its long stroke,and 5.38's to boot,this setup has alot of grunt
     
  3. sparky

    sparky Sandgroper Staff Member Founder

  4. ckardohely

    ckardohely Ckardohely

    do your 31x10.5 stick out far past your wheel wells??
     
  5. mrhp

    mrhp Member

    I was trying to find a picture of your jeep! Nearly the same color as mine too! Looks great! What wheels do you have. Thet look like the stock 4 or 5 inch wheels. Do the tires rub on the springs?Would a bigger offset be better? Sorry for all the questions but I have been looking for this info for so long, I am just excited. I am also in the process of building a 67 cj5 v6 for my buddy. I may have a question or two about that as well. This info is geat! Thank you all!:beer:
     
  6. sparky

    sparky Sandgroper Staff Member Founder

    Hohohohoho, I can't claim Animal. I can claim that I put the first scratch on it though. ;)

    This is my rig:
    http://www.earlycj5.com/gallery2/v/personal/Sparky/Jeep/71CJ-5/wheeltire2.jpg.html

    Animal's wheels are stock 16" wheels (two came from me).

    Blevisay is the guy you need to talk to. I just scratch, err, drive Animal from time to time when I'm in Tennessee.
     
  7. mrhp

    mrhp Member

    Yes, my tires stick out a little. More in the rear than the front.
     
  8. mrhp

    mrhp Member

    Sparky, your jeep looks nice as well. Do the tires rub on the springs on Animal? Does Animal have a f134? This is awesome. A years full of questions answered in a few minutes. At this rate, my jeep will be done in no time!
     
  9. Mcruff

    Mcruff Earlycj5 Machinist

    Yep Animal has a fresh F head, rebuilt about 2 years ago. Billy rebuilt his F head at basically the same time I rebuilt my Dauntless.
     
  10. sparky

    sparky Sandgroper Staff Member Founder

    The lugs grab the front springs a little bit, bumpstops can be adjusted out to remove that if desired. Rear tires rub wheel wells, but that's common to all Early/Intermediate CJ-5s.

    What Mcruff said, F-head, Solex carb.
     
  11. I am running 33x12.50 SSR on my 63 with the F head. I put on wheel spacers (2.5") and have not had a problem. You will need to use low range to climb.
     
  12. mrhp

    mrhp Member

    Thank you for all the help. How much lift is required for a 34 inch tire. I am seriously considering just going with the swamper. I already have 15 inch custom wheels.
     
  13. sparky

    sparky Sandgroper Staff Member Founder

    2" lift