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oil for rearend #1928441 10/08/15 03:59 PM 10/08/15 03:59 PM
Joined: Nov 2008 Posts: 10 Southeast Ohio B Big Block 69 OP member
Big Block 69 OP member B Joined: Nov 2008 Posts: 10 Southeast Ohio	I searched but couldn't find an answer, so... I am putting a rear in my car that has an older "1965" clutch style posi unit. Does this need special grease or an additive like a chevy or will regular 90 wt. do the trick? mostly just regular driving. Thank You Big Block 69 69 Super Bee 440 Sixpak. 11.60s.

Re: oil for rearend [Re: Big Block 69] #1928455 10/08/15 04:26 PM 10/08/15 04:26 PM
Joined: Nov 2007 Posts: 21,823 Kirkland, Washington Pacnorthcuda Too Many Posts
Pacnorthcuda Too Many Posts Joined: Nov 2007 Posts: 21,823 Kirkland, Washington	Yes, you need a limited slip differential additive. A good one is the Ford brand sold at dealerships. Add one bottle (4 ounces i think)to the diff. Last edited by Pacnorthcuda; 10/08/15 04:26 PM.

Re: oil for rearend [Re: Pacnorthcuda] #1928461 10/08/15 04:37 PM 10/08/15 04:37 PM
Joined: Dec 2005 Posts: 885 alberta Publicbottle super stock
Publicbottle super stock Joined: Dec 2005 Posts: 885 alberta	fyi...mopar additive locally is $14 per 4oz bottle, ford motocraft stuff is under $5 per 4oz bottle... [ Moparts Family Site - Keep it Friendly ]?

Re: oil for rearend [Re: Big Block 69] #1928468 10/08/15 04:44 PM 10/08/15 04:44 PM
Joined: Jan 2003 Posts: 28,067 Irving, TX feets Senior Management
feets Senior Management Joined: Jan 2003 Posts: 28,067 Irving, TX	Be glad you didn't post a thread with this title in the General forum. We are brothers and sisters doing time on the planet for better or worse. I'll take the better, if you don't mind. - Stu Harmon

Re: oil for rearend [Re: feets] #1928658 10/08/15 10:26 PM 10/08/15 10:26 PM
Joined: Jan 2007 Posts: 7,664 IN A ahy master
ahy master A Joined: Jan 2007 Posts: 7,664 IN	I use the LS additive AZ sells, GM spec I believe, in my clutch type. Works great.

Re: oil for rearend [Re: ahy] #1928852 10/09/15 06:50 AM 10/09/15 06:50 AM
Joined: Nov 2008 Posts: 10 Southeast Ohio B Big Block 69 OP member
Big Block 69 OP member B Joined: Nov 2008 Posts: 10 Southeast Ohio	Thank You 69 Super Bee 440 Sixpak. 11.60s.

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