from double to single tire fire??

[BRONCO'IN_AZ]

So I have a 73 Ford Bronco with limited slips.... And yah i took it out today for a lil fun but minor stuff in 2 wheel, and noticed that the shred marks in the dirt weren't of both my rear tires, but one.... and on the pavement, only one.... Am startin to think time to change out the l/s...? Any other ideas... Or....

 

[S_bolt19]

LS is a funny thing. It is there when you need it and isn't there when you don't. Not always will it engage when you do a burn out or such. The Trac-loc that Ford used in EBs was also not overly reliable. My uncle has front & rear factory trac-loc and it is not a huge, major added benefit. Yes they are better than open diffs, but they aren't anywhere close to a Detroit, Aburn or an ARB. That said, the trac-loc is put together with a "clutch" pack system and when they go out, it is the same as having an open diff. IF this is the case, then I wouldn't even bother trying to replace the original clutchs in it. I would either drive it or save my nickle and dimes and get a true traction device. As to what you want, it depends on what you use your rig for. If it is a daily driver, like mine, I would spend the extra money and get an ARB. They are almost double the cost of a Detroit or similar locker, but in the long run, there is less wear and tear on your vehicle and it will also pay for it's self the first time that you buy a new set of tires after you install a Detroit. If you are strictly an off road vehicle, then go for the full time locker.

 

[mustangtoby]

I agree- the factory l/s is not worth rebuilding when wore out. Ox locker is another option to ARB, manually selected with a billit shifter via a cable. I have run the new ECTED for about a year now and would not recomend them. Lock-rite is one of the cheapest, and I know a couple of guys who run these with no problems. They are also the easiest to install, as they go in the factory carrier. the ARB is great, but you have air lines that can get pulled off of the dif. On the other hand, you can also have on board air, since a compressor is required.

 

[Broncobill78]

So I have a 73 Ford Bronco with limited slips.... And yah i took it out today for a lil fun but minor stuff in 2 wheel, and noticed that the shred marks in the dirt weren't of both my rear tires, but one.... and on the pavement, only one.... Am startin to think time to change out the l/s...? Any other ideas... Or....

It might be time to change the diff, but on the other hand I don't know what your maintenance schedule or habits are. L/S diffs require adding a small bottle of Friction Modifier to the gear oil periodically (after awhile it breaks down & has to be replaced). A bottle of that is a LOT cheaper than replacing your differential and the clutches just won't engage right without it. $5 or $6 from your local dealership parts dept last time I bought any.

 

[Crude dude]

My experience with the clutch posi is they are very physically weak. The sides like to blow out on them with any amount of power or weight. I do have a lock right in my 9 inch that seems to work well but you do need to start with an open differential carrier. Detroit or ARB woud be best if money permits. Remember to think ahead though, figure out what spline axles you want to run first. Factory 28 spine axles are no good.

 

[Bully Bob]

1st, Are you sure it has L/S ...or did Someone tell you it has..? To be sure...jack up the rear & spin a rear wheel by hand (Trannie/transf in neutral) both wheels will turn the same direction with L/S. Opposite directions W/O L/S.

If both go the same direction....change/pump out the old gear oil...replace with posi fluid, or proper gear oil & posi additive. Try it again in dirt or gravel... Then the same with the front.

If you're not do'n rough wheel'n or rock'n ...Posi will serve you well & nothing will break.

I've left many a "Rubicon" stuck in this desert, or on a hill with just posi in my rig. /emoticons/[email protected] 2x" width="20" height="20" />

HTH

B