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post #1 of 15 Old 02-28-2011, 01:32 PM Thread Starter
Ratm
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New gearing...

I went to work today and got a surprise from a co-worker. He handed me dana 30 and dana 35 4.56 gears full kit. I was wondering if I plan on a 2" lift and 31"s no bigger than 33"s will ever go on would this be a good gear ratio with the 2.5L 4 banger?

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post #2 of 15 Old 02-28-2011, 01:58 PM
Ben_321
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auto or manual trans?

what gears do you have now? 4.10?

and how much highway driving do you do? your rpms will be a few hundred higher and may slighlty affect gas milage.

but IMO Yes its a great gear ratio! and will accept 33 inch tires in the future!
and with 31's you will have lots more power. great prize!


what do you mean full kit? you will need the gear sets as well as new carriers to install the gears.
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post #3 of 15 Old 02-28-2011, 02:03 PM
MisfitSeven
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he will NOT need new carriers.
he will need the master install kits, though.

Mail crawling.
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post #4 of 15 Old 02-28-2011, 02:08 PM Thread Starter
Ratm
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I have a 2.5L 5-speed with 4.11 gears in it... the stuff he gave me has bearings and everything in it. I dont know much about gearing so I will be having them install for me lol.



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post #5 of 15 Old 02-28-2011, 03:54 PM
playflea
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wow!! thats awesome i wish i had a cool co worker like that haha
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post #6 of 15 Old 02-28-2011, 04:11 PM
dcioffjeep
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Yeah same here the most I might get is a coffee or a free meal. Nice score.

My Jeep: 3in full traction lift, with front and rear upper and lower adjustable rock krawler control arms, front sway bar discos, and 33x12.5 Maxxis big horn tires, advanced adaptors sye with tom woods drive shaft. Hp 30 with 4.88 gears soon to come.
my build thread here: www.jeepforum.com/forum/f22/rocky-wrangler-1141329/
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post #7 of 15 Old 02-28-2011, 04:48 PM
merkchop
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I currently have 4.56 gears and love them, but I am running 35" tires (4.0, 5-speed). I had 35's on my old YJ that was a 4 banger with 4.11 and it was fine around town, but on the interstate there was a lot of downshifting.
Anyway, here is a link that I like to play around on when looking at changing gear ratio's it will give you an idea of what you will be reving at speed.

http://www.grimmjeeper.com/gears.html

I know you say never bigger than 33's now, but I remeber those days now I want to go 37's maybe 40's if I ever do tons.

Best of luck.
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post #8 of 15 Old 03-01-2011, 05:00 PM Thread Starter
Ratm
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does that look like everything I would need in the pictures?
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post #9 of 15 Old 03-01-2011, 05:06 PM
MisfitSeven
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Quote:
Originally Posted by Ratm View Post


that looks about right. you have the other ring gear right?

Mail crawling.
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post #10 of 15 Old 03-01-2011, 05:08 PM Thread Starter
Ratm
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yea its in the box just cant see it that well in there with no light... how close to Omaha are you man? I was stationed at Offutt AFB for 4 years before I got moved to Charleston
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post #11 of 15 Old 03-01-2011, 05:16 PM
MisfitSeven
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Bennington is like Millard, Ralston, Elkhorn... basically it is Omaha. i am at 144th and military streets roughly, which is the border of Omaha/Bennington.

with the money you saved on gears alone, you should either upgrade to the Super 35. or at least invest in A LOT of spare shafts, and maybe a truss.

Mail crawling.
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post #12 of 15 Old 03-01-2011, 05:20 PM Thread Starter
Ratm
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well im going to go with a 8.8 eventually so wondering if I even bother regear yet. Might just hold out until I get the 8.8 and regear then.
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post #13 of 15 Old 03-01-2011, 05:25 PM
EricsGreen98Tj
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I wouldnt even get the 8.8. Just spend $550 and get the Superior C-Clip Eliminator kit for the rear 35 and call it quits.... for tires 33" and lower you'd be good to go for a LONG time.

Building my junk with more junk, so Im always on the look out for more junk....Free to cheap preferably. :D
My junk http://www.jeepforum.com/forum/f22/survivor-project-driveway-frame-swap-33s-build-1280626/index3.html
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post #14 of 15 Old 03-01-2011, 05:30 PM
MisfitSeven
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Quote:
Originally Posted by Ratm View Post
well im going to go with a 8.8 eventually so wondering if I even bother regear yet. Might just hold out until I get the 8.8 and regear then.
sell the D35 gears kit and put that towards an 8.8 with 4.56 gears. THEN re gear the front axle.
after your 8.8 is in you can sell the D35. it shouldnt be too hard to get rid of it because it has 4.10s in it already.

Mail crawling.
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post #15 of 15 Old 03-01-2011, 05:35 PM Thread Starter
Ratm
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first things first I need to replace my radiator it is leaking pretty bad but thats a fairly cheap fix... then ill prolly do my lift before getting into the axles
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