What is mopar Sure Grip?
Sure Grip is the Chrysler name for a limited slip differential. It was optional on the 8-3/4″ axles, 1958-1974. Two styles were used. 1958-1969 used the Dana Power-Lok (# 2881487). This unit utilized clutches for the differential locking action.
How do you identify a sure grip diff?
First thing you can do is jack up the car so both rear wheels are off the ground. In neutral rotate a wheel forward, if the opposite wheel moves the same direction you have a sure grip, if it rotates the opposite way you don’t.
What is a sure-grip rear end?
The Sure-Grip differential allows the driving wheel with the better traction condition to develop more driving torque than the other wheel, so that the total driving torque can be significantly greater than with a conventional differential. Sure-Grip is not a locking differential.
What is a sure grip rear end?
When did the Sure Grip differential come out?
Sure Grip is the Chrysler name for a limited slip differential. It was optional on the 8-3/4″ axles, 1958-1974. Two styles were used. 1958-1969 used the Dana Power-Lok (# 2881487). This unit utilized clutches for the differential locking action.
What kind of gears are in a Mopar 8 3 / 4 clutch?
New, reproduction 8 3/4″ clutch sure-grip (“powr-lok”) includes upgraded 1 piece 30 spline side gears and 4340 cr-mo spider gears. These are not the same units offered by others.
Where is the factory ratio stamped on a Mopar?
Through 1965, the factory ratio was stamped on the identification boss, followed by an ‘S’ if Sure Grip equipped. After 1965, a tag was affixed under one of the carrier mounting nuts to identify the ratio.
What kind of drive pinion does Mopar 741 use?
The ‘741’/’742′ assemblies used a coarse spline (10 splines) drive pinion. Most of the aftermarket gears also use this coarse spline yoke mount.