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Rear Diff Lubircant #1125168
12/01/11 07:24 PM
12/01/11 07:24 PM
Joined: Mar 2008
Posts: 724
PA USA
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flatiron Offline OP
super stock
flatiron  Offline OP
super stock
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Joined: Mar 2008
Posts: 724
PA USA
I have a spool in a 8.75 and was wondering what I should put in there for gear Oil. I have a bottle of Lucas High Performance 80W-90 The back of the bottle says excellent for limited slips but will this be ok fo a spool. Also what would the capacity be.

Re: Rear Diff Lubircant [Re: flatiron] #1125169
12/01/11 07:28 PM
12/01/11 07:28 PM
Joined: Jul 2008
Posts: 30,451
Florida STAYcation
dOoC Offline
The village idiot's idiot
dOoC  Offline
The village idiot's idiot

Joined: Jul 2008
Posts: 30,451
Florida STAYcation
With a spool ... just the cheapest stuff you can find. 8 3/4 ? .. run it a bit low ....1.5 quarts.

Re: Rear Diff Lubircant [Re: dOoC] #1125170
12/01/11 07:41 PM
12/01/11 07:41 PM
Joined: Mar 2008
Posts: 724
PA USA
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flatiron Offline OP
super stock
flatiron  Offline OP
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Joined: Mar 2008
Posts: 724
PA USA
Should I worry about what wght it is

Re: Rear Diff Lubircant [Re: flatiron] #1125171
12/02/11 02:43 AM
12/02/11 02:43 AM
Joined: Jul 2006
Posts: 4,319
Puyallup, WA
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StealthWedge67 Offline
master
StealthWedge67  Offline
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Posts: 4,319
Puyallup, WA
Just about anything is going to be adequate for gears. additives and modifiers are aimed at sure grip (and especially clutch style) units that rely on a specific amount of friction and lubrication as part of how they physically operate.


LemonWedge - Street heavy / Strip ready - 11.07 @ 120
Re: Rear Diff Lubircant [Re: StealthWedge67] #1125172
12/02/11 04:00 AM
12/02/11 04:00 AM
Joined: Jul 2008
Posts: 30,451
Florida STAYcation
dOoC Offline
The village idiot's idiot
dOoC  Offline
The village idiot's idiot

Joined: Jul 2008
Posts: 30,451
Florida STAYcation
Quote:

Just about anything is going to be adequate for gears.







x 22 .... I would use the LIGHTEST gear-oil I could find ... in a track-only car.

Re: Rear Diff Lubircant [Re: flatiron] #1125173
12/02/11 04:14 AM
12/02/11 04:14 AM
Joined: May 2008
Posts: 5,399
Aurora, Colorado
451Mopar Offline
master
451Mopar  Offline
master

Joined: May 2008
Posts: 5,399
Aurora, Colorado
Check out the Red Line ShockProof gear oils.
http://www.redlineoil.com/product.aspx?pid=44&pcid=4

Re: Rear Diff Lubircant [Re: 451Mopar] #1125174
12/02/11 04:23 AM
12/02/11 04:23 AM
Joined: Jul 2008
Posts: 30,451
Florida STAYcation
dOoC Offline
The village idiot's idiot
dOoC  Offline
The village idiot's idiot

Joined: Jul 2008
Posts: 30,451
Florida STAYcation
Quote:

Check out the Red Line ShockProof gear oils.
http://www.redlineoil.com/product.aspx?pid=44&pcid=4




....at 15 beans per quart ...when not really needed ?? .... THIS STUFF (like Amsoil and Royal Purple) ....is just way over-priced gimmicky oil products that are not needed in a properly maintained vehicle.


Re: Rear Diff Lubircant [Re: dOoC] #1125175
12/02/11 01:23 PM
12/02/11 01:23 PM
Joined: Jan 2003
Posts: 16,376
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dogdays Offline
I Live Here
dogdays  Offline
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Doc, take your pills, you are sounding cranky. Redline is good stuff. If you can't afford another $30 for lube, maybe you shouldn't be racing!

R. (I admit, I can't afford to be racing.)

Re: Rear Diff Lubircant [Re: flatiron] #1125176
12/02/11 03:30 PM
12/02/11 03:30 PM
Joined: Aug 2003
Posts: 43,228
Bend,OR USA
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Cab_Burge Offline
I Win
Cab_Burge  Offline
I Win
C

Joined: Aug 2003
Posts: 43,228
Bend,OR USA
Use the best stuff you can afford, especially when drag racing There is a major difference in results

Last edited by Cab_Burge; 12/03/11 01:48 AM.

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Rear Diff Lubircant [Re: dOoC] #1125177
12/02/11 06:14 PM
12/02/11 06:14 PM
Joined: Jan 2003
Posts: 32,394
Q
Quicktree Offline
I Win
Quicktree  Offline
I Win
Q

Joined: Jan 2003
Posts: 32,394
Quote:

Quote:

Check out the Red Line ShockProof gear oils.
http://www.redlineoil.com/product.aspx?pid=44&pcid=4




....at 15 beans per quart ...when not really needed ?? .... THIS STUFF (like Amsoil and Royal Purple) ....is just way over-priced gimmicky oil products that are not needed in a properly maintained vehicle.




how much bracket racing have you done? It makes a difference

Re: Rear Diff Lubircant [Re: dOoC] #1125178
12/02/11 08:44 PM
12/02/11 08:44 PM
Joined: Nov 2003
Posts: 7,348
Mt.Vernon ,Ohio
VernMotor Offline
master
VernMotor  Offline
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Joined: Nov 2003
Posts: 7,348
Mt.Vernon ,Ohio
Quote:

Quote:

Check out the Red Line ShockProof gear oils.
http://www.redlineoil.com/product.aspx?pid=44&pcid=4




....at 15 beans per quart ...when not really needed ?? .... THIS STUFF (like Amsoil and Royal Purple) ....is just way over-priced gimmicky oil products that are not needed in a properly maintained vehicle.






I agree !!

Re: Rear Diff Lubircant [Re: VernMotor] #1125179
12/02/11 09:12 PM
12/02/11 09:12 PM
Joined: Apr 2010
Posts: 83
farmingdale ny 11735
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blracing Offline
member
blracing  Offline
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Joined: Apr 2010
Posts: 83
farmingdale ny 11735
richmond gears make there own lube, i've used it for my spool. royal purple also makes a good lube. i use the 74/140 in mine.

Re: Rear Diff Lubircant [Re: dogdays] #1125180
12/02/11 10:00 PM
12/02/11 10:00 PM
Joined: Jul 2008
Posts: 30,451
Florida STAYcation
dOoC Offline
The village idiot's idiot
dOoC  Offline
The village idiot's idiot

Joined: Jul 2008
Posts: 30,451
Florida STAYcation
Quote:

Doc, take your pills, you are sounding cranky. Redline is good stuff. If you can't afford another $30 for lube, maybe you shouldn't be racing!

R. (I admit, I can't afford to be racing.)




YOU sound BROKE-AZZ Double-d ....

You must be spending tooooo much of your money on GIMMICKY snake-oil stuff ...

Re: Rear Diff Lubircant [Re: flatiron] #1125181
12/02/11 10:30 PM
12/02/11 10:30 PM
Joined: Oct 2003
Posts: 1,561
yarnell,az
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mopacltd Offline
pro stock
mopacltd  Offline
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Joined: Oct 2003
Posts: 1,561
yarnell,az
The "climbing" gear oil works great, but it take HP to move it.

Re: Rear Diff Lubircant [Re: dOoC] #1125182
12/03/11 12:25 AM
12/03/11 12:25 AM
Joined: May 2008
Posts: 5,399
Aurora, Colorado
451Mopar Offline
master
451Mopar  Offline
master

Joined: May 2008
Posts: 5,399
Aurora, Colorado
Quote:

Quote:

Check out the Red Line ShockProof gear oils.
http://www.redlineoil.com/product.aspx?pid=44&pcid=4




....at 15 beans per quart ...when not really needed ?? .... THIS STUFF (like Amsoil and Royal Purple) ....is just way over-priced gimmicky oil products that are not needed in a properly maintained vehicle.






The RedLine ShockProof oil is to protect the gears on hard launches. I'm not sure if the original poster would need the extra protection or not.
I have used the medium weight (yes, the oil is actually blue) in a 2002 Ram 1500 with the 4.7L with no problems and picked up a bit of fuel mileage too.
I use the regular RedLine 75W140 GL-5 in my Ram 3500, and the 75W90 in the Charger and Coronet.

I think the Redline oil costs less than Amsoil or Royal Purple?

A short white paper on the ShockProof oil:
http://www.redlineoil.com/content/files/tech/ShockProof%20Gear%20Oil%20Tech%20Info.pdf

Re: Rear Diff Lubircant [Re: 451Mopar] #1125183
12/03/11 12:56 AM
12/03/11 12:56 AM
Joined: Jan 2007
Posts: 7,664
IN
A
ahy Offline
master
ahy  Offline
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A

Joined: Jan 2007
Posts: 7,664
IN
The LS additives won't hurt. I don't think the lube will be a limiting factor in an 8.75/spool - other parts will fail before the gears wear out. Personally, I'd get a couple more quarts of what you have and run it.

Re: Rear Diff Lubircant [Re: flatiron] #1125184
12/03/11 12:57 AM
12/03/11 12:57 AM
Joined: Oct 2010
Posts: 2,408
Ambridge, Pa.
R
rickraw Offline
top fuel
rickraw  Offline
top fuel
R

Joined: Oct 2010
Posts: 2,408
Ambridge, Pa.
i use royal purple 75/90w synthetic. cost a little more, but i think it's worth. why skimp on lube. u wouldn't put some cheap crap in ur tow vehicle would u?? seeya.

Re: Rear Diff Lubircant [Re: rickraw] #1125185
12/03/11 01:07 AM
12/03/11 01:07 AM
Joined: Jul 2008
Posts: 30,451
Florida STAYcation
dOoC Offline
The village idiot's idiot
dOoC  Offline
The village idiot's idiot

Joined: Jul 2008
Posts: 30,451
Florida STAYcation
Quote:

i use royal purple 75/90w synthetic. cost a little more, but i think it's worth. why skimp on lube. u wouldn't put some cheap crap in ur tow vehicle would u?? seeya.




YURR tow-vehicle is far more critical for the sure-grip additives and such than a 1/4 mile drag-strip car ..

Re: Rear Diff Lubircant [Re: rickraw] #1125186
12/03/11 09:23 AM
12/03/11 09:23 AM
Joined: Feb 2007
Posts: 6,295
U.S.
M
moparniac Offline
master
moparniac  Offline
master
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Joined: Feb 2007
Posts: 6,295
U.S.
Royal Purple here.


Mopar Performance
Re: Rear Diff Lubircant [Re: moparniac] #1125187
12/03/11 09:45 AM
12/03/11 09:45 AM
Joined: Dec 2004
Posts: 5,278
San Jose, California
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DennisH Offline
Vacation
DennisH  Offline
Vacation
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Joined: Dec 2004
Posts: 5,278
San Jose, California
AmsOil in the Dana 60. Abused and OK.

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