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MEDIK418 · 04-20-2003, 05:13 PM

It's really easy to do. I promise. There is a site called Randy's Driveline and he has all kinds of tech articles on this stuff. You will need a means to put about 250 pounds of torque on the pinion nut. A good impact will help with this but you can use a torque wrench if you have a big'un. You'll need a dial indicator and a stand, harbor freight has these for about 20 bucks total investment. Most of the time, if you're just changing the gears, you can re-use the shims. Some gears are thicker than standard and the 4:30's may be, so you'll probably need a shim kit for the carrier. My first one took me about 4 hours, start to finish. Last week I changed out the differential on the 89 in 2 hours.
One thing and you'll see what I mean later, put the carrier shims in place with some grease BEFORE you try to push in the carrier.

04-20-2003, 05:13 PM	#4
MEDIK418 Registered Member Join Date: Mar 1999 Location: Amarillo, Texas, USA Posts: 780	It's really easy to do. I promise. There is a site called Randy's Driveline and he has all kinds of tech articles on this stuff. You will need a means to put about 250 pounds of torque on the pinion nut. A good impact will help with this but you can use a torque wrench if you have a big'un. You'll need a dial indicator and a stand, harbor freight has these for about 20 bucks total investment. Most of the time, if you're just changing the gears, you can re-use the shims. Some gears are thicker than standard and the 4:30's may be, so you'll probably need a shim kit for the carrier. My first one took me about 4 hours, start to finish. Last week I changed out the differential on the 89 in 2 hours. One thing and you'll see what I mean later, put the carrier shims in place with some grease BEFORE you try to push in the carrier. __________________ 1986 four-eyed LX coupe, 358 Cleveland, Tremec TKO600/centerforce clutch, dish cut Probe forged pistons, comp cams hyd.roller cam, .579/.588@224/230, Edel.performer, 670 holley street avenger, CPR custom built long tubes, ported and polished 4bbl heads, manley valves, beehive springs, MSD peo-billet dist/MSD6AL, fluidamper, 5 lug conv. with 17x8 bullits there's more but it's still not finished yet. Oh, and the oldest boy is turning his 89 GT into a FFR cobra this next summer.