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Old 08-13-2011, 04:26 PM   #1
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Regear?

Do I need to regear a 69 jeep for 33x12.5's. standard trans and a 6 cylinder, but it's not the stock 6, it's out of another vechile.

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Old 08-13-2011, 05:25 PM   #2
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It would depend on what gears are in it now. Also what you plan on doing with your jeep.

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Old 08-13-2011, 06:07 PM   #3
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mainly mudding and driving through a lot of sand
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Old 08-13-2011, 08:05 PM   #4
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2 good reasons to regear are to improve highway driving (reduce "bogging") and to crawl at slower speeds.

I don't know what gears are in it. I also don't know how you set up a rig for sand. But if you vehicle has enough power to take off and drive down the road good then you don't necessarily have to regear for mud. My CJ did fine in mud with 3.54 gears and 33" tires but I have a v8 too.
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Old 08-13-2011, 11:08 PM   #5
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Sand wheeling is all about higher RPMs and keeping your momentum going, unlike slow crawling over rocks. I would look at a locker in front & rear before I regeared. What T-case do you have & what gears are you running?
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Old 08-14-2011, 07:45 AM   #6
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It's all stock except the engine swap, so whatever gears and T-case that came with it(I know it's not helpful, I dont know what would of come stock on something that old) all I know is it has a different 6 cyclinder than stock in it. And that JK of mine has no problem in the sand, 3x rpms is usually the max I run, and those are few and far inbetween. These jeeps are real nice in the sand, low on weight, nothing like a full sized truck.
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Old 08-14-2011, 07:08 PM   #7
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Well regearing is expensive so give it a shot like it is setup now. Just bring a buddy in case you need to be pulled out.
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Old 08-14-2011, 07:39 PM   #8
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sounds like a plan, thanks
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Old 08-18-2011, 08:25 AM   #9
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If you like your top end! and you want more bottom end! Change the trany!

Your 69 should have the T86 3 speed. Spicer 18 transfer, D44 rear with 4.10 (mine was).
Your first gear crawl with 33" tires is 287 feet per min @750 rpm.
Now if you change to a 4 speed! say a 4-1 first gear T18 (more common and cheeper than a 6-1)
You drop to 200 feet per min. So its like regearing the bottom end and you get a better trany, wich will be your week link at one point!
If you found a 6-1 T18! You will get 127 feet per min.
SO 4th gear is still the same but now you have other gears for different jobs. Maybe you will run sand in 3rd instead of fourth.

regearing! you might as well pencil in 2500.00
change the trany! 7-800.00 if you are patient and research the parts!
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Old 08-18-2011, 04:56 PM   #10
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Did I just read $2,600 for a regear?
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Old 08-18-2011, 05:44 PM   #11
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I have received a few quotes over the years. My current 84 has a little higher than I would like!
4.10's $350.00 for yukons D30/M20
bearings kits
E-locker $649.00
D30 carrier $53.00
plus labor and oils., but not wired for e-locker ( I am a electrician)
I was quoted $2010.00 before tax and freight from a 4X4 shop.
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Old 08-18-2011, 08:22 PM   #12
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The stock gears and the torque of that dauntless should be fine for what you need. Lower gears will only wind it up on the highway. Mud and sand are two terrains that don't require a great or even good crawl ratio so I would say run it like it is!
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Old 10-02-2011, 11:50 AM   #13
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Here is a good reference chart:
4Lo.com :: Gear Ratio & Tire Size Chart

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