Rear end fluid change

**whiteLS1TA** · 10-24-2007, 01:00 AM

im going to change my rear end fluid tomorrow. i mean i dont need to with my car only having 40,000 miles but i like haveing my baby haveing the best fluids, but i dont really know what fluids to use. i got some redline rear end fluid, is that a good brand?

**Jays00ss** · 10-24-2007, 10:40 AM

Originally Posted by whiteLS1TA

im going to change my rear end fluid tomorrow. i mean i dont need to with my car only having 40,000 miles but i like haveing my baby haveing the best fluids, but i dont really know what fluids to use. i got some redline rear end fluid, is that a good brand?

red line, Royal purple, Torco, or lucas are about the best brands to run. Redline is just fine and you don't need posi additive.

**Sleeper101** · 10-25-2007, 05:30 AM

Lucas FTW!!!!!!!!!!!!

**35thAnniZ28** · 10-28-2007, 09:30 PM

lucas made mine whine...:\

**Rivi** · 10-29-2007, 12:03 PM

lucas is a terrible choice...amsoil or any good regular brand name.Royal purple is over priced junk too.

**blue02Z** · 10-29-2007, 07:28 PM

amsoil

**tigersport14** · 11-01-2007, 08:55 AM

penzoil platnum!

**camarolvr69** · 11-01-2007, 09:05 AM

Originally Posted by tigersport14

penzoil platnum!

LOL do they even make a penn. plat. rear end fluid???

Amsoil is really good rear end fluid.

**Sleeper101** · 11-01-2007, 12:10 PM

Mine currently has NAPA in it. So does my buddies, Been fine for 4 years now. Not a prob.

**splitfinger09** · 11-03-2007, 07:26 AM

royal purple ftw

**jimk100189** · 01-15-2008, 04:50 PM

Here's a good study recently published on auto gear lubes

**INMY01TA** · 01-16-2008, 06:17 PM

I would use any dino 80/90 gear oil. Synthetic isn't necesarry. Neither Moser nor Strange recommend syn for their 12 bolts and I used Redline shockproof syn gear oil in my old 10 bolt once and I started getting one wheel peels at the track.

**35thAnniZ28** · 01-16-2008, 07:08 PM

75/90 amsoil is what sarge recommends,took my whine away after a couple of wot runs

**tigersport14** · 01-17-2008, 08:52 AM

how do you change it?

**35thAnniZ28** · 01-17-2008, 09:32 AM

unbolt the 12 bolts around the pumpkin .....inspect the magnet inside the case...clean inside the case with brake cleaner....grab the gasket maker and make GOOD ENOUGH SEAL ON THE CASE WHERE YOUR SURE IT WONT LEAK..bolt it back up....add lube through the back of the pumpkin..there you can just lay your wrench with out any sockets and unbolt

**jimk100189** · 01-18-2008, 02:14 PM

Originally Posted by INMY01TA

I would use any dino 80/90 gear oil. Synthetic isn't necesarry. Neither Moser nor Strange recommend syn for their 12 bolts and I used Redline shockproof syn gear oil in my old 10 bolt once and I started getting one wheel peels at the track.

Limited slips have some special lube requirements. Not all rear end lubes are formulated the same. I did a short article on limited slip diff chatter a couple of months back. May be interesting to you.

Regards...