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I cannot find anywhere,the amount of grease to put in rear end other than "fill to the drain plug".I want to fill while it's on my work bench.I have a 7oz.tube of posi lube and 2 qts. of the correct grease(oil).Can someone give me the right amount of oil to put in this rear end?
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I'll check with the experts here at work.
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The Chassis Service Manual for a '71 says 3 3/4 pints.
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Duncanville, TX - USA
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Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/
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Member: NCRS, NCRS Texas, Corvette Legends of Texas
[QUOTE=MikeMc71] The Chassis Service Manual for a '71 says 3 3/4 pints.[/QUOTE]
Sounds aboot right to me. I've never actually measured it meself. I know it has always been just aboot 2 qts, but I just squirt it in until it barely runs out the fill hole.
Sounds aboot right to me. I've never actually measured it meself. I know it has always been just aboot 2 qts, but I just squirt it in until it barely runs out the fill hole.
Joel Adams
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o
My manual says to put in a poise tractions additive in with the oil?
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 22720
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/
Am-Fm/map light National/Regional/Chapter NCRS "Top Flight"
#2-1985 Bright Red/Carmine Cp.L-98/auto
Member: NCRS, NCRS Texas, Corvette Legends of Texas
Not sure about using poise additives, but posi trac additive is a must! 
(just messin wid ya Dave!
)
(just messin wid ya Dave!
)Joel Adams
C3VR Lifetime Member #56
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"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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This is from the service manager of a local Chevy dealership.
He used to be a service tech for all the Corvettes that came in for service.
He is very knowledgable about Vettes.
"Hi Dave,
The differential capacity is 4 pints of gear lube and 1 bottle (4 oz.)of friction modifier.
Steve"
The friction modifier is for the posi-traction. It is an extreme pressure lubrication additive.
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Here's what I did last night.With rear(not mine) on the work bench,I added one qt. gear oil and one 7oz tube of posi oil.Then I added about 3/4 of a qt of the gear oil.I turned rear over into the same position it would be bolted into car and a slight amount of oil started to trikle out from plug.Fini!
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in Forum: C3 Engines, Driveline and Handling
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