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Custom Dodge Ram Performance Mods - Engine - 5.7 HEMI V8 Discuss modifying your Dodge Ram with Performance Parts and Accessories!
Factory Spec: 5.7-liter HEMI® V8 engine - 390 horsepower, 407 lb-ft of torque.


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  #1  
Old 11-10-2011, 11:00 AM
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Default Rear Axle Fluid Change and Tranny

Gonna change the rear axle fluid in my 2011 RAM Laramie Longhorn 3:55 gears NOT LSD, how many quarts of Royal Purple do I need to pick up? Also gonna change the tranny fluid out with Royal Purple, how many quarts do I need to pick up for that also?
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  #2  
Old 11-10-2011, 11:28 AM
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Don't know about the rear axle, but for a pan drop trans fluid change with filters you'll need about 7-8 qts. I've found that all ATF 4+ fluid is synthetic and is the same basically, so you could just get the castrol or penzoil or whatever at your local store for half the price and save a ton of money, and get the same results. I used the castrol, runs fine. This may be of use to you:

http://www.ramforumz.com/showthread.php?t=92056
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  #3  
Old 11-10-2011, 12:58 PM
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9 1/4 rear end takes 2.25 qrts (72 oz)...add 4 oz of additive if equipped with lsd
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  #4  
Old 11-10-2011, 01:00 PM
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^I read on the forum also that the rear end fluid is synthetic from factory.
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  #5  
Old 11-10-2011, 05:02 PM
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yes it is..gonna change mine tomorrow mornin..have 3 qts of Amsoil 75w-90 sittin on my shelf for longest time...might as well use it..
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2005 Dodge Ram 1500 QC SLT: 12.107 @ 113.960 MPH
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