The Best Guide Documented For a 4.63 & 4.90 R200 Gear Change in a Nissan 300zx VLSD Differential!

This video is a complete guide on how to change the gear ratio in an early style R200 VLSD Differential out of a 1990-1996 Naturally Aspirated Nissan 300zx. This gear change in the Z32 was not the easiest task. There were a ton of issues we ran into but in the end we were able to my gear ratio. This can work for any differential gear ratio from a R200 differential. Down below are the part numbers used for this build. (Disclaimer) the shim on the meatball spacer was unknown from a random kit we found in the shop along with the 8.8 oil slinger. Additional shims may be needed depending on how bad the gears are worn) Toyota pinion depth shims: 90201- 35497 90201- 35498 90201- 35499 90201- 35500 90201- 35501 90201- 35502 Dana 44 Jeep wrangler Differential Carrier Shim Kit: https://www.ebay.com/itm/202775433675 Ford 8.8 Oil Slinger: (Part number unknown) Ford 9 in shim kit: https://www.speedwaymotors.com/Speedw... Torque Specs: Pinion nut: 137-159 ft/lbs Ring gear bolts: 43-51 ft/lbs Side bearing cap bolt: 65-72 ft/lbs Rear cover fixing bolt: 12-17 ft/lbs Bearing preload spec: 10-20 in/lbs