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  • Hello all

    Just thought I would say hello. I just bought my first jeep. Its a 1986 cj7 258 4sp 31 10.5 BFG AT. All my trail rigs before were fullsize so this will be a change. I have a few newbe questions. I would like to run 33 12.50 i'm thinking about doing a springover lift. Is this a ok way to go I want this rig to be capable of running 70 down the highway safely. But at the same time will not be a daily driver. Also what is the best way to go for carb webber or mc2100 going to do a swap very soon the carter that is in there is junk!!! All suggestions welcome thx.

  • #2
    Welcome.
    You'll find a vast amount of knowledge here.
    As far as a lift...I'd steer clear of the S.O.A. been there,done that,wouldn't do it again.Buying a 4" lift from our hosts here will save you $$$$ in the long run.

    Ragg

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    • #3
      I agree about the SOA lift. would mabey consider if off road vehicle only. As far as carb both are good choices, I've only ran the motorcraft and am happy with the improvement over stock. After fixing the carb, research the web and do a chevy HEI dizzy swap from a chevy. Also great improvement. Its well documented on the web. I've recently started a Howell fuel inj swap after seeing the success my friend had. UNBELIVEABLE!! 100% improvement over carb.

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      • #4
        Thx for info I am sure I will have tons of questions to come. Sounds like for now i will be saving up some $ for a lift. Not sure which to go with the 2.5" or 4"?

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        • #5
          33" will require a 4" lift

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          • #6
            Originally posted by CAdesert_jeeper
            33" will require a 4" lift
            or a 2.5" lift and TJ flares

            Do you have the rare 86 CJ7 with 44's front and rear?

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            • #7
              Not positive but I think the front is a 30 and rear is a 44 what would be an easy way to find out what my axles are for sure ?

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              • #8
                Welcome aboard

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                • #9
                  Originally posted by cj71986
                  Not positive but I think the front is a 30 and rear is a 44 what would be an easy way to find out what my axles are for sure ?
                  Here is a good chart.http://www.coloradok5.com/axleguide.shtml

                  It would have came with either one of these for the rear:
                  Model 20
                  http://www.coloradok5.com/techpics/amcmodel20.jpg
                  Or

                  Dana 44
                  http://www.coloradok5.com/techpics/dana44.jpg

                  Here is the front:
                  Dana 30
                  http://www.coloradok5.com/techpics/dana30.jpg

                  or it also came witrh a D44 front that year too.

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                  • #10
                    I will check tonight and see what axles I have thx .

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                    • #11
                      Originally posted by cj71986
                      Just thought I would say hello. I just bought my first jeep. Its a 1986 cj7 258 4sp 31 10.5 BFG AT. All my trail rigs before were fullsize so this will be a change. I have a few newbe questions. I would like to run 33 12.50 i'm thinking about doing a springover lift. Is this a ok way to go I want this rig to be capable of running 70 down the highway safely. But at the same time will not be a daily driver. Also what is the best way to go for carb webber or mc2100 going to do a swap very soon the carter that is in there is junk!!! All suggestions welcome thx.
                      http://www.bustedjeep.com DIY TBI,had a Howell on my 258 & modified stock dist for hei with gm ignition module great improvement over the carter pos and furd dura spark.Another source of info http://www.customefis.com

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                      • #12
                        I checked on axles ends up I have a 20 in the rear and a 30 in the front. Will that 20 hold up if I put 33's on it and do mid range wheeling?

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                        • #13
                          Originally posted by cj71986
                          I checked on axles ends up I have a 20 in the rear and a 30 in the front. Will that 20 hold up if I put 33's on it and do mid range wheeling?
                          Maybe if you did a one piece axle swap and truss.

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                          • #14
                            you will be fine with 258 and the rear 20....just weld the tubes and do the truss...do a search youll find out what we are talking about...

                            if it was me i would run until an axle broke before i bought the one piece axles....you never know they might hold up...

                            I have no intension of replacing my rear 44 axles.....they come stock as one piece and im running 38's.....havent broke one yet.....

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                            • #15
                              Thanks for all the info I bought this jeep now i'm kinda learning all over again lol. Had a 86 full size bronco before with 4" lift 35 14.50 gumbo mudders was a lot of fun.Ran into this jeep for $1000 has about $3000 of work already put into it and I'm sure i will have at least that much more into it before i'm ready to play. Need to save up over the winter lol.

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