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Discussion Starter #1
im going to be changing out my diff and transfer case fluids probably this weekend since they are past due. im just curious what brands of oil you guys prefer to use and what weights, not just for the differentials, but motor transmission and transfer case. i know that the t-case uses atf. when i had my jeep, i used pennzoil in everything except the tranny, i put royal purple in that. as of right now, the motor in my truck has castrol in it, not my choice, the shop i had it done put it in.(i was too busy at the time to do it myself) i hear alot of hype about amsoil being great but is it worth it? i wondered whether i wasted money buying royal purple for my jeep if regular pennzoil or valvoline fluid would have done the same. anyway, what do you guys prefer to use and did you notice a difference with it compared to other oils? also, where did you buy it?
 

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Official DT Amsoil Dealer
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697 Posts
You can run the following:
Engine - 5w-30
Trans - ATF+4 or equivalent
Transfer Case - ATF+4 or equivalent
Front Diff - 75w-90
Rear Diff - 75w-90
Power Steering - ATF+4 or equivalent

CAPACITIES
Engine, with filter..........6.0 quarts[1]
Cooling System, Initial Fill..........17.0 quarts
Automatic Transmission, A45RFE 2WD Initial Fill..........5.5 quarts[2][3]
Automatic Transmission, A45RFE 4WD Initial Fill..........6.6 quarts[4][5]
Automatic Transmission, EX A45RFE Initial Fill..........4.0 quarts[6]
Automatic Transmission, Total Fill
4 speed 45RFE..........15.0 quarts
4 speed 42RE..........10.0 quarts
4 speed 46RE..........10.0 quarts
4 speed 47RE..........17.0 quarts
Manual Transmission, NV1500..........4.6 pints
Manual Transmission, NV5600..........9.5 pints
Manual Transmission, NV4500..........8.0 pints
Manual Transmission, NV3500 2WD..........4.9 pints
Manual Transmission, NV3500 4WD..........4.2 pints
Differential, with Dana 60 Front..........8.4 pints[7]
Differential, with Dana 44 Front..........4.9 pints[7]
Differential, with Model 194 F/A Front..........3.0 pints
Differential, 2WD with Dana 60 Rear..........6.3 pints[8]
Differential, 4WD with Dana 60 Rear..........7.2 pints[8]
Differential, with 7.25 ring gear Rear..........3.0 pints[8]
Differential, with 8.25 ring gear Rear..........4.4 pints[9]
Differential, with 9.25 ring gear Rear..........4.9 pints[9]
Transfer Case,NV241..........4.6 pints
Transfer Case,NV241HD..........6.5 pints

TORQUES
Oil Drain Plug.....25 ft-lbs
Transfer case
Fill Plug.....30-40 ft-lbs
Drain Plug.....30-40 ft-lbs
Manual Transmission NV5600 6-SPD
Fill Plug.....22 ft-lbs
Drain Plug.....30 ft-lbs
Manual Transmission NV3500
Fill Plug.....14-20 ft-lbs
Drain Plug.....14-20 ft-lbs
Manual Transmission NV4500
Fill Plug.....25-35 ft-lbs
Drain Plug.....25-35 ft-lbs


HOPE THIS HELPS!!!
Ken
 

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Retired Guy
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second that my man
Amsoil all the way
 

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Sport'in
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I guess that about sums it all up. Great info o2man...
 

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If only I had more $$$
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You forgot to mention that if he has an rear LSD he needs to use an additive if its not already in the new oil.
 

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Discussion Starter #6
i new about the whole additive for the lsd, but i dont think i have one. sticker on the rear end says 3.55 open . shes a one legger.
 

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I would just like to add that there are people on this site and others that are using the Amsoil Universal ATF in their Dodge truck transmissions with out any problems. In fact, many say it performs better than the OEM fluid.

If any one know of a different situation please post it.
 

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Discussion Starter #8
the only thing about amsoil, for me at least, is that i cant just walk into a store and buy it. im looking to do the differentials this weekend and there is no way i can get it by then if i order online. otherwise, i would be more then ready to try it.
 

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Sleeper in The Making
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If Im not mistaken the Rear end on the 1500 series calls for 75w140 Synthetic oil. The 2500 series calls for 75w90.
 

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Discussion Starter #13
two quick questions, would using the lsd additive in a non lsd rear be bad? reason i ask is that i found some royal purple 75w140 with the lsd additive already in it. also, whats the difference between using 75w140 and 85w140? seems that getting a hold of 75w140 isnt easy or cheap around here.
 
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