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Unread 11-02-2009, 02:57 PM   #1
CJman77
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Need Some Locker Advice!

Okay so I have always been passive on the locker idea. But the more I think about it, the more it makes sense. So what do I need?


I am basically trying to make a street machine with some offroad manners.

Powertrain: Chevy 350, Sm465, Dana 300

Gears are 3.31

My thought was to stick with the 3.31 gearing because with the 465 i will have about 2500 rpm at 75 with 33 inch tires.

It will probably be a 80/20 mix of Street/Offroad useage.

What do you guys suggest? How hard is it to add a locker? Will I have to do any major shimming over whats in it already?

I have read alot about the detroit truetrac as being a good preforming street locker?

Thanks for your input

Brian

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Unread 11-02-2009, 03:16 PM   #2
78treehugger
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My buddy had a true trac and hates it. But some people like them. I am assuming being in FL you don't see much snow. So you could go with a lunchbox locker inthe front. Aussie, powertrax, ect. The rear should be a selectable. ARB, Ected, ect.
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Unread 11-02-2009, 03:27 PM   #3
7goldeneagle9
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just get an arb. it's on its off that simple. BTW a truetrac is a limited slip and would be a good choice for you. They only fail when you would get alot less traction with one tire than the other.
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Unread 11-02-2009, 03:30 PM   #4
kickingprop
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If you want to maintain normal street manners then you will want to get a selectable locker (ARB/Ox/Auburn) in the rear. That way you can turn it off when driving around on the street and it will behave as an open diff.

In the front you can throw a lunchbox (aussie/lok-rite), fullcase (detroit), or selectable in and it really wont matter in 2WD on the street with your front hubs unlocked. Full case and selectables require that you reset the gears though whereas a lunchbox drops in where the spider gears already are.

I hear good and bad about True Tracs although more good than bad.

ARB's and OX usually get the most praise on here but they are the most expensive also. A full case Detroit is actually probably the strongest but its not selectable.

I do agree with keeping your 3.31 gears with the SM465. Its got a low enough first gear that you should still have a pretty good crawl ratio offroad... I like this website for side by side comparisons on drive ratios, etc Gear Ratio Calculator
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Unread 11-02-2009, 04:06 PM   #5
Redmanchew
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Hmmmm a rear OX...then drop in a terra low in the 300 for like a 87:1 crawl. pick your line point and go....


Actually i had a shop do my OX beacuse i wanted a selectable and did not want to mess with the R&P set up. a lot of guys will say for the price you can regear while you are at it. i left my 3.55's in for the freeway end of the deal and love it but i wish i had a little lower gear with my axle's. you make up for that with the 465 i'm looking to do it with a 4:1
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Unread 11-02-2009, 05:02 PM   #6
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I went with a Ected and I can't even tell it is there on the street although I can hear it on the trails. They don't pop bang or make any noises whatsoever. Would work great in a place like Florida, works well here in Montana. A switch that you have to mount on the dash works the locker, just flip it on when you need it and when you don't shut if off.
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Unread 11-02-2009, 07:57 PM   #7
7goldeneagle9
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dont buy OX I've seen too many issues with the cables!
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Unread 11-02-2009, 08:16 PM   #8
JeepnBlake
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Ox, ARB, E-Locker all CAN have problems with cables, lines, or wires, just pick your poison.

I threw a lock right up front in my cj, and personally i love it, unlock the hubs and you don't even notice.
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Unread 11-02-2009, 08:35 PM   #9
CJman77
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Quote:
Originally Posted by 7goldeneagle9 View Post
dont buy OX I've seen too many issues with the cables!
What kind of problems? I was thinkin the OX system. Because a cable system sounds like its the least ammount of parts to fall apart.
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Unread 11-02-2009, 08:35 PM   #10
my-jeep-earl
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Quote:
Originally Posted by 7goldeneagle9 View Post
dont buy OX I've seen too many issues with the cables!
I've had OX lockers, front and rear, in for eight years now and haven't had a problem with the cables yet.
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Unread 11-02-2009, 08:42 PM   #11
CJman77
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Okay another thought.....Since I dont offroad very much at all. Would it make any sense to just throw in a locker in the front and forgo the rear? Or would that just me stupid? Sorry I dont know all the precarious situations a locker will help in.
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Unread 11-02-2009, 09:26 PM   #12
JeepnBlake
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Front Only would be just fine.
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Unread 11-02-2009, 09:28 PM   #13
bentshackle
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Anyone have any experience with teraflex's T-locker??
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Unread 11-02-2009, 09:36 PM   #14
duffer
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With 350 in CJ DO NOT PUT a Detroit in the rear. If you have sufficient power to cause any tire slippage at all when in a turn on black top, when you ease off the power for any reason and the unit unlocks, you better have all your lane options open because you are likely going to need more than one. Could not drive the 3B with one and pulled it-put the Powerlock back in. I really miss the Detroit off road, but an ARB is going to soon take its place.
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Unread 11-02-2009, 09:42 PM   #15
CJman77
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Quote:
Originally Posted by JeepnBlake View Post
Front Only would be just fine.
I am thinking about just doing a front wheel one and maybe keeping the rear for sometime down the road. I want to see how much offroading I end up doing before I invest 1000 bucks
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