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Thread: Roxanne: 1985 Cj-7

  1. #46
    Big Baller 85cj7's Avatar
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    when i test fitted them up it is just to far to make extensions that tie into the body mounts themselves. The lip is only 3" now so I would have to add about 6" or so of flat bar extensions, then trim the poly bushings. It seems like a real hastle. BUT. Do you think I can tie them into the bottom of the tub by using some scrap box tubing spacers and bolts. Lets say 4 bolts threw the side of the tub and 2 from below. Does that sounds strong enough? I'm planning to run a 3ft or so section of flat bar on the inside of the tub to ask as a large washer to distribute the weight, because these things weigh about 50 pounds each!

  2. #47
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    How hard do you plan on landing on them? Mine are just the same angle iron as yours and they're installed with 14 bolts through the side (upper/lower) and have a 1/4" plate inside the tub they bolt through. If you look for it you can tell the body is bent a little. 5/16" carriage bolts fit nicely in a 3/8" hole, might require a little persuasion.

  3. #48
    Big Baller 85cj7's Avatar
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    its time to get some new tires, I am currently running BFG Mud terrains, 33x12.5x15, and I found a set of Procomp X-terrains that are a good price but they are 35x12.5x15. I'm only geared at 2.73 which I know sucks and I plan on changing that in the near future. My question is can I run a 35" tires with 2.73s?????

  4. #49
    Club Old Man mark's Avatar
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    2.73's are too low numerically for highway use. My opinion is to choose the gears based on where your power band will work on the highway. You have a 1:1 top gear so you would want to be at 3.73 as a minimum and probably 4.10's as a max. With 3.73's at 70 with 35's you are at about 2500 rpm which is good for highway cruising.

    Obviously you will want to add a doubler or better than 4:1 reduction in the t-case for rock crawling.

    Remember you cant change your top ratio with anything other than the axle gears, given your current transmission. So if you intend to drive it on the highway don't go too low in the axle. You can always add more reduction at the t-case.

    P.S. Remember that there is a carrier split at 3.73 and above for both the AMC 20 and Dana 30. So you will need new carriers/lockers.

    -Mark
    Last edited by mark; 06-16-2007 at 07:12 PM.
    Just when you though it was safe to go back in the water...

  5. #50
    Big Baller 85cj7's Avatar
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    i finished up the sliders today
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    Last edited by 85cj7; 01-02-2009 at 12:12 AM.

  6. #51
    Big Baller 85cj7's Avatar
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    I have a question about regearing, can I just regear the rear to 4.10s and leave the front at 2.73s ONLY TEMPORARILY. as long as I am in 2 wheeldrive I won't have ill effects right?

  7. #52
    . J Cooper's Avatar
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    ill sell you my axles for the right price

  8. #53
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    you can, should you probably not but if you do take off the front drive shaft so you don't accidnetally put it in 4wd and grenade something
    Red 81 CJ5, 35's, 4.10 and detroit, 4 to 1 dana 300, tbi efi, flat belly, cage, chromos and auzzie in front... sometimes runs. body damage to come

  9. #54
    Big Baller 85cj7's Avatar
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    Today 07:23 PM
    J Cooper
    ill sell you my axles for the right price
    -what axles do you have and for how much?

  10. #55
    . J Cooper's Avatar
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    they are from my 85 cj, i wasnt really looking to sell them but i was eventually, now that its not my daily driver and got a jizob. plus ive had it the same way for about 5 years i was looking to upgrade.

    30/20, 3.73s, AVM lock outs, dom steering with TREs, rear has 1 piece shafts, and i was about to replace all the ball joints and get some warn shafts for the front. both have ARB air lockers. all new brakes. have some spare shafts too. and i guess if i did sell them the tires would be for sell also. 5-35 bfg muds with certs

    not sure on a price id have to talk to you about it.

  11. #56
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    Taking off the front shaft is one of the dumber things people do. You'd have to accidentally lock both hubs and shift the transfer case. Leave it on and you can still use it if you're in sand or mud or such.

  12. #57
    Big Baller 85cj7's Avatar
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    so i bought some 35x12.5x15 procomp x-terrains and i'm wondering if i install them now and run them on the cj untill school starts and i can upgrade the axles and gear ratio, what will i hurt if anything on the jeep. Will this hurt my transmission, i'm talking 500 miles max, with 35's and 2.73 gearing????

  13. #58
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    i'd be more worried about your clutch, i know coup is getting new axles, his have gears and arb's. give him a shout if you havent' gotten stuff yet. also i have a front d44 for sale if your interested as well, its from a j10 and has 3.54 gears, both knuckles are flat top
    Red 81 CJ5, 35's, 4.10 and detroit, 4 to 1 dana 300, tbi efi, flat belly, cage, chromos and auzzie in front... sometimes runs. body damage to come

  14. #59
    Big Baller 85cj7's Avatar
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    got to work on some more stuff today, I started building a new box to fit between the wheel wells in the bed, like a small truck bed box, used 3/4" angle for the frame and am going to plate it with 16 gauge steel and a diamond plate lid. Also started working on finishing the front bumper, got the prebend hoop in the mail that I got from jeeptubes.com, (because i don't have a bender), welded it up and am going to reinforce it with some 6"x3/16" plate tomorrow.
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    Last edited by 85cj7; 01-02-2009 at 12:12 AM.

  15. #60
    Big Baller 85cj7's Avatar
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    well i finished the front bumper yesterday, and spent today shooting it with rustoleum paint, here are the pics, 2x4x3/16 bumper with 1.75x.120 hrew tubing with 6x3/16 bracing.
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    Last edited by 85cj7; 01-02-2009 at 12:13 AM.

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