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Whats stronger?

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Fasta76

Whats stronger?
« on: May 28, 2007, 04:24:56 PM »
Hey guys!!

What is a better-stronger rear diff?? The one out of an 86 sammy or a 91 tracker? Was loking at doing a gear swap in the sammy rear but if the tracker is stronger i will use that!!
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Offline crikeymike

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Re: Whats stronger?
« Reply #1 on: May 28, 2007, 05:34:58 PM »
I'm pretty sure the sidekick/tracker rear diffs are stronger than sami's.
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Offline Drone637

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Re: Whats stronger?
« Reply #2 on: May 28, 2007, 05:41:01 PM »
The diff should be stronger, as it is a bit larger.

Aren't the axle tubes weaker though?  I seem to remember reading that somewhere...
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Offline mrfuelish

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Re: Whats stronger?
« Reply #3 on: May 28, 2007, 06:58:24 PM »
I picked up a sky hybird tracker rear with 1/4" thick tubes off set for the sammie for 225.00 with cnc'd end caps,the tracker diffs that you pick up in pairs would bolt right into it, small in the front end and larger in the rear, the axels are the weak link.
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Offline Jeremiah

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Re: Whats stronger?
« Reply #4 on: May 28, 2007, 07:09:59 PM »
If you get the electronic locker, they come with bullet proof axles.
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Fasta76

Re: Whats stronger?
« Reply #5 on: May 28, 2007, 08:14:59 PM »
so would i be better off keeping the sammy rear and just putting  gears in it rather then changing it? By the sounds of things the sammy is a better diff. But if your into putting time and $ into the tracker difff it is better!
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Offline mrfuelish

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Re: Whats stronger?
« Reply #6 on: May 28, 2007, 08:32:33 PM »
It all depends on how hard you are on it, if your breaking axels go to a yota rear, if you can get two tracker front gears you will have more diff clearence,I have the hybird tracker rear for ease of parts and to haul more weight and tow a heavy trailer, I also have the 16 valve engine and 6.1 to 1 gears in the x-fer case and went through two sammie diffs in one month when I went to 33" ltb's that weigh 100 lbs a piece plus the spare,with a 33" bfg there was no problems.
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1987,1988,1988,1990 samurai's,  1953 m38a1,  1996 x-90,blue.1996 x-90 red.1994 2 door tracker.   only Dead Fish go with the flow.                No Hairy Nosed Wombats were ran over on the trail today.       My ZUK is Xenophobic.
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Offline Rhinoman

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Re: Whats stronger?
« Reply #7 on: May 29, 2007, 04:54:08 AM »
Quote from: Drone637 on May 28, 2007, 05:41:01 PM
The diff should be stronger, as it is a bit larger.

Aren't the axle tubes weaker though?  I seem to remember reading that somewhere...

I think that the Track/Kick axle is stronger all round. The diff is significantly larger and the axles certainly don't bend like the Samurai ones do.
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Fasta76

Re: Whats stronger?
« Reply #8 on: May 29, 2007, 06:04:06 AM »
so all in all i should run the tracker diff?? Im not gooing to be stupid hard on it!! I want to run 33" tires. But mabey just 33/10.50/15 ?? If i ran the 5.13 gears out of the tracker what gera sshould i put in the t-case? 4-1,6-1,8-1.???? I do a little mudding and some little rock crawling!!
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Offline mrfuelish

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Re: Whats stronger?
« Reply #9 on: May 29, 2007, 11:04:40 AM »
you need to give more info, trail rig only no freeway?,stock engine?,do you have tires now?, if you run the stock tracker rear end it will be off set from the sammie t-case and you will need a toy front drive shaft to run on the tracker rear and maybe have some bad vibes on the street,if you run a tsl tire you won't have to spin them to clean them on a sammie in the mud,if you run a sammie tracker hybird you would have to run the sammie axels anyway, I like the six to one gear set over the four to ones but if your low on bucks do the four to one and a good clutch (400.00 plus 300.00) there are a lot of combo's, i'm kinda easy on my rig with 33's but if I were to do it again I would go toyota axles but getting all the money together at once to do toys are the hard part for me, the high steer and the gears and lockers are not cheap but maybe you could find a used set cheaper already set up,I just run 4.30's because I drive mine on the freeway but if your trail only go for 5.79's or so and be done with it.
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1987,1988,1988,1990 samurai's,  1953 m38a1,  1996 x-90,blue.1996 x-90 red.1994 2 door tracker.   only Dead Fish go with the flow.                No Hairy Nosed Wombats were ran over on the trail today.       My ZUK is Xenophobic.
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Offline Drone637

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Re: Whats stronger?
« Reply #10 on: May 29, 2007, 04:50:54 PM »
I went with the Hybrid rear due to a lack of homework on my build before hand.  Someone said the Tracker gears would drop straight into a Samurai, so I bought them.  Then I decided since I already had the gears, I might as well go to the Hybrid rear end.  :P

The two Sammy's in my club both use stock Samurai rear carriers with lockers and don't have a problem with 31" tires.  One is running 4.88 gears with a 5.8:1 transfer case (and a rock block), the other has stock gears and 4:1 transfer case.  Neither has had any problems relating to the strength of the carrier or the gears.  We did break an axle shaft and take out most of the rear end due to the stub rotating around and unscrewing the adjustment in the carrier, but that was a pretty unique case.

My cousin has 33X12.5X15 TSL Swampers with an 8:1 transfer case, stock gears.  It's currently a pavement pounder, but he hopes to start wheeling it once he gets some lockers installed.  We have taken it up in the snow and played around a little bit, but no hardcore wheeling.

If you want stock gearing in hi range and 33" tires you need to go with a 5.8:1 transfer case or better.  If you go with anything lower(higher) then you will have to drop the ratio in your diffs as well.

If you do a search you can find several in depth discussions on Transfer case vs Diff gears.  Those should be able to help you make a decision. 
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Fasta76

Re: Whats stronger?
« Reply #11 on: May 29, 2007, 05:25:44 PM »
Its more a trail rig then a road king!! But i do drive it to wark a little about 30km round trip! Going to be running the 8valve 1.6 with fuel injection! The reason for all the questions is that i can buy a crashed 91 tracker for a couple Hundred canadian. It has 5.13gears both diffs are there. Trany and T-case, and the 1.6 right now i have 31-10.5-15 swamper truxus!! But would like to go to 33-12.5-15 TSL!! Thats why i was asking witch was stronger.. But it seems like leaving the sammy rear and putting the gears and locker would be the easyer way to go? IF i was to put in the gears should i do a t-case reduction? or just do the t-case and leave the diffs?
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Offline mrfuelish

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Re: Whats stronger?
« Reply #12 on: May 29, 2007, 08:46:54 PM »
I would buy the kick and put in the tracker rear and find a toy drive shaft for it and put the front gears in a sammie carrier for the front and get the transfer case gears to save your clutch with 33's.
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1987,1988,1988,1990 samurai's,  1953 m38a1,  1996 x-90,blue.1996 x-90 red.1994 2 door tracker.   only Dead Fish go with the flow.                No Hairy Nosed Wombats were ran over on the trail today.       My ZUK is Xenophobic.
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Fasta76

Re: Whats stronger?
« Reply #13 on: May 29, 2007, 09:04:38 PM »
how far offset is the tracker diff going to be? Do alot of guys run it like that? with 5.13 gears what should i do for t-case gears?
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Offline mrfuelish

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Re: Whats stronger?
« Reply #14 on: May 29, 2007, 09:22:49 PM »
The 4 to 1's have the best street manners, then trail tough's 5 to 1's then their 6.1 to 1's, you could find a set of street 35" tires for driving to work and 33's for off road. the tracker rear is in the center and the sammie transfer case is prob a good 6 inches over to the passinger side so you would need a drive shaft with three u joints, or a hybird rear for around 200 bucks.
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1987,1988,1988,1990 samurai's,  1953 m38a1,  1996 x-90,blue.1996 x-90 red.1994 2 door tracker.   only Dead Fish go with the flow.                No Hairy Nosed Wombats were ran over on the trail today.       My ZUK is Xenophobic.
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