Can a 55-56 rear end be converted to Posi?
THERE IS NO NEED TO REMOVE THE PINION GEAR to convert a 55-56 rear to posi. Also, depending on the ring gear used with a posi unit in a 55-56 case (ESPECIALLY if the ring gear is an original 55-6 ring gear), it MAY be necessary to use a ring gear spacer. The reason is because original 55-56 ring gears are thinner than 57-64 ring gears.
How to convert rear end gears to Posi?
Thus, you just have to go with the BEST pattern that can be achieved. Also, with USED gears, this is the ONLY way to get an optimal pattern. Of course, this may (and probably will) require tearing down the rear 2-3-4-5 times, pressing off and on the pinion bearing to change shims until you end up with an acceptable pattern.
Is the 57-64 case a Posi or non Posi?
This is a 57-64 style NON-posi rear before disassembly. As can be clearly seen, the 57-64 case has a thicker, stronger webbing for the carrier bearings. This is the non-posi case after disassembly and before cleaning. Notice the +1 which was hand painted on the assembly line during the original factory assembly process.
Is the posi traction a limited slip differential?
Posi-Traction is a limited-slip design, and over time, the clutches wear out and function essentially as an open carrier. Another simple test is to jack up the back of the vehicle with the wheels off the ground and the trans-mission in neutral.
What kind of carrier does a Posi Traction clutch use?
There are several ways to answer this question. Most gearheads use the common burnout method: Do a burnout, and if you get two black stripes, you have a working Posi-Traction carrier. This doesn’t always work, however. Posi-Traction is a limited-slip design, and over time, the clutches wear out and function essentially as an open carrier.
Posi-Traction is a limited-slip design, and over time, the clutches wear out and function essentially as an open carrier. Another simple test is to jack up the back of the vehicle with the wheels off the ground and the trans-mission in neutral.
How can you tell if a Chevy differential is posi?
Another simple test is to jack up the back of the vehicle with the wheels off the ground and the trans-mission in neutral. Spin the tire and watch which direction the other wheel turns. If it spins in the same direction, it is a Posi.
How to remove pinion seal from Chevy differential?
Pinion Yoke Removal 1 Remove Pinion Nut A fair amount of torque is required for removing the pinion nut. 2 Remove Yoke A few blows with a soft hammer usually gets the yoke free from the splines. 3 Remove Pinion Seal (Special Tool)