Dana 44 Diff Fluid

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Sep 2, 2004 | 11:44 PM

mothersworry

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Pro

Joined: Aug 2001

Posts: 626

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From: Lake Lure NC

Dana 44 Diff Fluid

Just got the diff seals redone, however they did not fill the case. What diff fluid is recommended for the Dana 44?

Sep 2, 2004 | 11:47 PM

scorp508

Team Owner

Joined: Mar 2000

Posts: 83,384

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From: Boston, MA

Personally I use Mobil 1 Synthetic 75W90 gear oil and 2 bottles of GM limited slip additive.

Sep 2, 2004 | 11:51 PM

mothersworry

Thread Starter

Pro

Joined: Aug 2001

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From: Lake Lure NC

Is there a part number on the GM limited slip additive. I take it this is a dealer item,

Sep 3, 2004 | 01:38 AM

Dale1990

Le Mans Master

Joined: Apr 2002

Posts: 5,727

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From: Waukesha WI

St. Jude Donor '15

Just ask the parts guy at your local dealership for the additive, they will know what you are talking about.

Sep 3, 2004 | 01:39 AM

bogus

Team Owner

Joined: Aug 2000

Posts: 40,156

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From: San Pedro CA

Yes, 2 bottles. That comes from Gordon Killebrew himself.

Sep 3, 2004 | 09:31 AM

silver & red CE

Melting Slicks

Joined: Jan 2000

Posts: 3,418

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From: NW Chicago Suburbs

I don't go by any set number, I've found each differential's limited slip clutch pack is different. On the first lube change, I like to add a single bottle and drive it a few days. If the diff needs more fluid, I'll hear the clutches clucking when I back the Vette up and crank the steerng wheel hard.

My Impala needs two bottles, my Vette needs only one. I want to add just enough friction modifier to prevent the annoying clunking but have the limited slip be tight.

Eric

Sep 3, 2004 | 10:35 AM

Corvette0096

Race Director

Joined: Aug 2000

Posts: 11,506

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From: Vancouver,Wa.

I use the Redline with the additive in it allready.

Sep 3, 2004 | 05:55 PM

96CollectorSport

Melting Slicks

Joined: Sep 2003

Posts: 3,031

Likes: 74

From: If you don't weigh in you don't wrestle Road America

I switched to Royal Purple it also already has the additive in it and is actually cheaper than buying fluid and additives from GM.

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Sep 3, 2004 | 06:23 PM

ZylaRace

Drifting

Joined: Mar 1999

Posts: 1,931

Likes: 1

From: Norcross GA

Heard this about the RelLine brand before,... not sure about the RPurple. Either way,.. after a recent talk w/ diff people @ Reider Racing,... they said to Not use synth fluid.
The additive is avail under the CRC brand name,... any auto parts store,... less $. Don't have the P# w/ me. Large plastic toothpaste tube,... say's the Fud & GM P# right on it. Ask the counter guy.