4.11 vs 4.86

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  • Kwoods25
    Senior Member
    • Jul 2014
    • 455

    #1

    4.11 vs 4.86

    Is one preffered over the other? If so, why?
  • wisdirtfan
    Member
    • Oct 2013
    • 94

    #2
    4.11 has less drag

    Comment

    • hucktyson
      Banned
      • May 2007
      • 1903

      #3
      4.11 also allows you to change gears in smaller increments

      Comment

      • Kwoods25
        Senior Member
        • Jul 2014
        • 455

        #4
        Thanks, we have also ran a 4.86 but have noticed a lot of people running 4.11's

        Comment

        • TheJet-09
          Senior Member
          • Jul 2013
          • 1616

          #5
          Keep in mind if you ever need to borrow a gear from someone, many people use the 4.86 so you might limit your resources. But I, too, have heard the less drag reasoning.

          Comment

          • Bubstr
            Senior Member
            • Feb 2008
            • 3734

            #6
            I've heard the less drag point of view on the 4.11, but have also heard weaker small gear on the gear changes. The farther away from your base gear, the smaller the small gear is. Less teeth more torque on less teeth. To each his own.

            Comment

            • Kwoods25
              Senior Member
              • Jul 2014
              • 455

              #7
              Running crate so not a lot of power

              Comment

              • grt74
                Senior Member
                • Jul 2009
                • 1380

                #8
                Originally posted by Kwoods25 View Post
                Running crate so not a lot of power
                its less rotating weight,thats why there going to them,also if you go with titanium axles there is some more weight,if you do all you can there its about 20-30lbs of weight you can save there and its rotating weight

                Comment

                • FlatTire
                  Senior Member
                  • Jul 2007
                  • 560

                  #9
                  Anybody running a 4.11/8" ring gear rearend in a dirt late model? What kind of engine/hp?
                  Last edited by FlatTire; 10-31-2014, 05:14 PM.

                  Comment

                  • Kwoods25
                    Senior Member
                    • Jul 2014
                    • 455

                    #10
                    thanks guys for all the info

                    Comment

                    • racer86
                      Junior Member
                      • Dec 2013
                      • 20

                      #11
                      I have run my 602 crate late with the 4:12 8" in 10" housing for years with NO problems and it dose not have pinion nose support. If you get the center kit or a new rear with 8" winters offers it now with the nose support but you can not run lockers.
                      Last edited by racer86; 11-11-2014, 02:38 PM.

                      Comment

                      • Ltemodel
                        Senior Member
                        • Jun 2007
                        • 307

                        #12
                        We have been running an 8" Winters with an open motors and SUPR spec motors for three years now and lost the first one this year. These are real good Pro Power motors. We only lunched it after running on real rough tracks all season. We did end up cracking a couple of side bells this year, I think because of excess flex. If this flex happens at the wrong areas internally, I could see how this could lead to excess back lash and gear failure.
                        But, I'm really just guessing on how that actually failed.

                        Thanks,
                        Kevin
                        Check out my book on Amazon.

                        Dirt Racings Best Kept Secrets

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