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1st Gen Ram Tech'93 & older Rams: This section is for TECHNICAL discussions only, that involve 1993 Rams and older. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
You have to jack up the rear wheels and spin one of them and look to see if the opposite rear wheel spins and if so it would spin in the same direction if you have posi. Limited slip is not posi. "Sure-Grip" is Chryslers term for posi. Another way to tell if you have Sure-Grip is to look at the differential case through the filler hole with a flashlight. If it is Sure-Grip you will see coil springs. There are several companies that make posi for our trucks.
well posi definition is vague,cause it says when both spin not just one.
i was just wondering on that,cause i have limited slip and if i mash the gas pedal down from a dead stop,it leaves 2 equal lenth patches of rubber.
thank you