txpath4x4 Posted May 26, 2014 Share Posted May 26, 2014 Yeah a great Monday luckily 4x4 is just a shift away Link to comment Share on other sites More sharing options...
gv280z Posted May 26, 2014 Share Posted May 26, 2014 awww man you don't have an LSD? You should have been able to back out of that...so once you went into 4 hi were you able to pull forward and get out? How'd it go with the alternator? Link to comment Share on other sites More sharing options...
adamzan Posted May 26, 2014 Share Posted May 26, 2014 LSD is useless with one tire in the air. Link to comment Share on other sites More sharing options...
SkiBumBrian Posted May 26, 2014 Share Posted May 26, 2014 (edited) Sometimes the E brake trick works with LSD but with the wheel suspended like that it would take alot to overcome the break away threshold.... Looks like you could drive right through it ! Edited May 26, 2014 by SkiBumBrian Link to comment Share on other sites More sharing options...
gv280z Posted May 26, 2014 Share Posted May 26, 2014 (edited) I don't understand, I thought both tires would pull, he's got one on the ground, why wouldn't it walk him back out? Are you telling me that even with the lsd, the tire in the air would just spin and the other one on the ground would do nothing, like an open diff? I thought that was the whole point to having an lsd that both tires would push regardless of traction..similar to a locker, right? What's the E-brake trick? Edited May 26, 2014 by gv280z Link to comment Share on other sites More sharing options...
SkiBumBrian Posted May 26, 2014 Share Posted May 26, 2014 LSD's have a clutch system for each wheel. The WD21s had a break away of around 280 lbs. and the later ones are considerably less, I am sure someone has the #s but it ain't much, 90 lbs. or so I think. If the ratio between the two wheels (one wanting to spin, one not) becomes more than the break away lbs, the free tire will spin making the LSD useless. If you use your E brake you can compensate for the free wheel, braking it to get the clutch for the non spinning wheel to grab. I know this is far from a technical explanation but it may help you understand. There is no true 4WD without lockers.... Link to comment Share on other sites More sharing options...
SpecialWarr Posted May 26, 2014 Share Posted May 26, 2014 Sweet! Thanks for the pointers SBB!! sent from under Ernest the Pathfinder Link to comment Share on other sites More sharing options...
gv280z Posted May 27, 2014 Share Posted May 27, 2014 huh..interesting..I've never known of this before. Yes, thanks for clearing this up. That E-brake trick sounds handy... Link to comment Share on other sites More sharing options...
txpath4x4 Posted May 27, 2014 Author Share Posted May 27, 2014 Also if you are sliding around tapping on your brake can work to lock it up too... And also I know now I seriously need to reinstall the axle bump stops Link to comment Share on other sites More sharing options...
silverton Posted May 27, 2014 Share Posted May 27, 2014 So... you drove in to a ditch? I'm a bit confused. Link to comment Share on other sites More sharing options...
txpath4x4 Posted May 27, 2014 Author Share Posted May 27, 2014 No I backed into one leaving my house, I was avoiding the wife's car and over compensated Link to comment Share on other sites More sharing options...
Precise1 Posted May 27, 2014 Share Posted May 27, 2014 Nice flex picture though! LSD's have a clutch system for each wheel. The WD21s had a break away of around 280 lbs. and the later ones are considerably less, I am sure someone has the #s but it ain't much, 90 lbs. or so I think. If the ratio between the two wheels (one wanting to spin, one not) becomes more than the break away lbs, the free tire will spin making the LSD useless. If you use your E brake you can compensate for the free wheel, braking it to get the clutch for the non spinning wheel to grab. I know this is far from a technical explanation but it may help you understand. There is no true 4WD without lockers.... Apparently the break away force varied a bit over the years, with 1994 and/or 1995 having the stiffest although I do not recall the exact numbers. Once the R50s were made, the amount of required force was reduced by roughly 1/2. Yes, the e-brake trick can help sometimes and as txpath4x4 stated, sometimes just dragging the normal brakes does the same thing, and on many different vehicles. It was a standard 'trick' with past American sedans as well. B Link to comment Share on other sites More sharing options...
SkiBumBrian Posted May 27, 2014 Share Posted May 27, 2014 90-95 have same breakaway torque, 260-285 lbs. working properly of course. I found newer ones have as low as 24lbs. Useless. I like the E brake and not hydraulics because you can keep full power to the front and feather the E brake as needed. I think I will eventually swap out the LSD for a mechanical locker. Only way to be sure.... Link to comment Share on other sites More sharing options...
Precise1 Posted May 28, 2014 Share Posted May 28, 2014 I had no idea they went that low, that is absolutely pointless! You would get stuck with one tire on wet grass... B Link to comment Share on other sites More sharing options...
SkiBumBrian Posted May 28, 2014 Share Posted May 28, 2014 I think it is a marketing ploy.... "yes! It has a limited slip differential too!" It does seem pointless.... Link to comment Share on other sites More sharing options...
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