What Amsoil gear oil should be used?

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Amsoil makes two synthetic gear oils. One is the Series 2000 Gear Lube that comes in 75W90 and 75W140 and the other is just called Synthetic Gear Lube that comes in 75W90 and 80W90. Amsoil Tech Dept gave me a rather Spartan answer to my reqquest for a recommendation saying to use either 75W90 gear lube in both differentials and the manual transmission. Aside from being more expensive is there some benefit to be derived from using the Series 2000? What does the consensus out there recommend? Thanks for your help.

 

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Ed,
The big difference in performance is the Series 2000 75W-90 has a lower "pour Point" and a higher "Fire Point", even thought the two lubes have the same Viscosity ratings.
Volitility(Weight Loss under heat)is also less for the Series 2000 lubes.

Wayne
amsoilman

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94'SLT 4X4 AT/White in color. Factory Tow Hooks & Running Boards. Amsoil By-Pass filter, Amsoil Air cleaner,and all fluids are Amsoil. Optima "Red Top" batteries.
BD exhaust Brake, BD Torque Lock, BD Torque Converter, Dr. Performance Stage II Injection Pump. Mag-Hytec Diff Cover,Mag-Hytec Transmission Pan, Isspro Pyro, Boost,Oil temp Gauges mounted in 3 Gauge post mount. One gauge monitors Engine Oil, Trans, Diff. Temps.

 

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Sometimes you can end up more confused! From a practical standpoint what is a lower pour point and higher fire point really going to help me? (enough to justify the higher price.

I also got an unposted direct reply stating my warranty calls for 75W140 (which I don't think is the case)and that I should use "an LE SAE 90" gear oil which results in "33 times less wear than Amsoil". I never heard of LE oil. The same message says I can get it from Mag-hytec for $19. 50/quart. Since my differentials each take about 5 quarts that gets pretty pricey.

Sometime back I remember a discussion about using 75W90 vs 75W140 synthetic and the 75W140 was only recommended if pulling max loads in hot climate.

Would appreciate Amsoilman and others comments on this.

 

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Ed,
I must admit that I have also called Amsoil Tech. Support for some advise too and it was about the biggest waste of time. All the lady on the other end could do was laugh and giggle. She finally ended up hanging up the phone on me and I never did get the answer that I needed. They could really use some overhauling in that department.



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1999 2500 Laramie SLT, QC, LB, 4x4, White, 4. 10 gears/Limited slip, Trailer and Suspension Package, Auto transmission, Westin SS Nerf Bars, Painless Wiring and more coming (I Hope)!!!

Soon adding Mag-Hytec Diff. Cover and Gauges... ...

Pull a 26', Tahoe TT (6000 lbs. ) and hardly know it's back there!

 

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So happens I just changed my oil this past week end. I used Amsoil series 2000 75W 90 that I got from Amsoilman. The service manual and owners manual says use 80w 90 hypoid unless a lot of towing then use 80w 140 synthetic. I think for my purpose the 75W 90 is just right. Some other notes. My Ram has 15000 miles with little towing and I was suprised how much sludge was on the magnet and in the bottom of pumkin. There is a small cavity at bottom that need to be cleaned out. Also I asked awhile back about RTV to use. It was suggested ultra gray. They were right on. Mine had the gray. Also while under it decided to check rear brake adjustment. The service manual is wrong. Manual says tool handle goes up to tighten. Wrong; tool handle down to tighten.


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Northport,AL. 1999 2500 quad cab, driftwood, 5 speed ISB. Boost and Pyro gauges. Line-x.
Amateur extra W4XH

 

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Amsoilman,
I just looked at Amsoil home page. The Amsoil 75w90 has the same pour point as the Amsoil 75w140 (both say -46 deg F)

The fire point of the Amsoil 75w90 is 7 deg F lower than the Amsoil 75w140 (75w90 is 421 deg F and the 75w140 is 428 deg F)

Just type in Amsoil and go to the one that says Amsoil home page then look up the series 2000 75w90 and the 75w140. This is the Amsoil corporate info.

Sincerely, Kevin

 

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I changed out my gear oil with the plain 75W90 Amsoil oil. It did not get the job done. Was getting chattering in the differential when turning. Went back and got 4 oz. of GM additive and that cured the problem. Guess I should have gotten the 2000 series. Now I have a little GM added to my truck. I'm happy, don't know if the Dodge is or not.

 

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Ed

The series 2000 is specially formulated to give maximum fuel economy, with no loss of protection.

The owners manual calls for a synthetic 75w-140 when towing. AMSOil maintains that is overkill and that either of their 75w-90's will easily do the job. Use the 75w-90 for better fuel economy or the 75w-140 for better protection, your choice.

Kevin

Amsoilman was comparing the 2 75w-90's not the the 75w-90 to the 75w-140.

Hope this helps

Rudy

 

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I guess I'll restate Ed's question for him. "What is the real advantage to either Series 2000 75W-90 or the 75W-140 gear lube?"

It seems rather interesting that Amsoil should make two products and no one can give a good reason or explanation as to when each should be use.

I am waiting to install my Mag-Hytec cover (and it is killing me!!) because of this confusion! I want to do it right the first time.

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1999 2500 Laramie SLT, QC, LB, 4x4, White, 4. 10 gears/Limited slip, Trailer and Suspension Package, Auto transmission, Westin SS Nerf Bars, Painless Wiring, Silencer Ring Removed and more coming (I Hope)!!!

Soon adding Mag-Hytec Diff. Cover and Gauges... ...

Pull a 26', Tahoe TT (6000 lbs. ) and hardly know it's back there!

 

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My 5 Star Dealer told me that the 6 speed transmission takes automatic transmission fluid as well as my tranfer case. Doesn't sound right now or does it?

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2000, 3500 Driftwood, 4X4, Quad Cab, SLT+ Laramie, Tan Leather, 6 Speed, 3. 54LSD, Tow Package, Camper Package, All Possible Options, Rancho RS 9000 Shocks, Linex Bed Liner, K&N Air Filter, Husky Floor Mats, Geno's Smoothie, Chrome "Down and Out" Exhaust, Stainless Steel Fender Trim Kit, Geno's Charcoal Air Filter, Mopar Bug Deflector, Whisler Radar Detector, AirLift 5000 Air Bags, Smittybuilt Polished Stainless Steel Nerf Bars, Sylvania Cool Blue Headlights, Pro Flaps, 1999 Lance Fiberglas 1010 Legend, TV, VCR, Air, generator, max'ed out all possible options, sleeps 5. Ya Baby!

 

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Bad Brad:

This is off the subject of this posting, but you are right. Your dealer is wrong.

If you crawl under your truck, you should see a sticker on the right side of the six-speed transmission that reads: Transmission MUST be refilled with Texaco STF 1874 - Chrysler P/N 04874464

The service manual for the 2000 year trucks calls for Mopar Manual Transmission Lubricant, P/N 4874464 (same number without the zero).

Don't put ATF in your six-speed unless the dealer will put it in writing and stand behind that statement with warranty repairs.

Loren

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2000 Quad Cab, 4x4, short bed, six-speed.
1995 Standard Cab, 4x4, long bed, automatic. (soon to be sold)

 

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The TRANSFER case uses ATF, the 6 speed transmission uses STF (standard transmission fluid) If you talk to Roy at Mag-Hytec he now recommends LE oil for the diffs. Do a search for "lubrication engineers" and you'll find the LE web site. I have not seen much info on what to use in the 5 and 6 speed manuals other than the Dodge recommended stuff. Sure isn't easy to know what's best to use...

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2001 HO 6 speed Regular Cab SLT 4x4 3. 54 anti spin 2500. Used for the daily grind and sneaking away to some secret Baja beaches toting a cabover

 

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The 6spd. transmission uses engine oil. I gave the DC # to the Amsoil tech. and he said its the same as Amsoil 5 W 30 Series 3000 Synthetic engine oil. Thats what I've had in mine for over 38K now, and its been fine.
Larry

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Y2K 3500 QC,SLT,4X2,White, 6spd,3. 54 lsd,Banks Stinger +,Pacbrake,Pilar mt. EGT & Boost,Amsoil air filter,all amsoil lube w/BMK-15 filter system,MagTec rear cover,putco boss rbs. w/ rear ext. &flaps,20K reese,100 gal. aux. fuel,fold up T cover,5K airlift bags w/comp. ,ranger 2950 cb pushing palomar 225 amp,phantom radar det.

 

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According to my application guide, the NV5600 (6-speed)requires engine oils for lubrication, and will take 9. 5 pints to fill.

The NV4500 (5-Speed)requires Synthetic GL-4 gear lube and takes 8. 0 pints to fill.

The Getrag G-360 (5-speed)requires engine oils as well, and takes 7. 0 pints to fill.

The transfer cases require ATF if they are NV241, NV241HD.

Capacities as follows:
NV241HD. . 6. 5 Pints.
NV241HD. . 9. 0 Pints W/PTO.
NV241(96-99) 5. 0 Pints.

All differentials require gear lubes.

The bottom line is this. You need to know what you have in your trucks!


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94'SLT 4X4 AT/White in color. Factory Tow Hooks & Running Boards. Amsoil By-Pass filter, Amsoil Air cleaner,and all fluids are Amsoil. Optima "Red Top" batteries.
BD exhaust Brake, BD Torque Lock, BD Torque Converter, Dr. Performance Stage II Injection Pump. Mag-Hytec Diff Cover,Mag-Hytec Transmission Pan, Isspro Pyro, Boost,Oil temp Gauges mounted in 3 Gauge post mount. One gauge monitors Engine Oil, Trans, Diff. Temps.

 

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I hope this reply is not to late. The difference between the two Amsoil lubes is this: The Series 2000 is more fuel efficient, you do NOT need limited slip additive with it, and it is the next generation of gear lube. Either is a fine choice.
I don't understand the people who won't post their replys, are they afraid of something? The Truth?
As far as something having 33 times the wear protection of Amsoil, I ask you this; What's 33x0????( Exageration I know, but it gets the point across!)
I pulled my Mag-Hytec cover at about 65,000 miles, to fix a faulty o-ring. (Which Roy replaced at no charge, great guy!)You cannot tell the ring gear has been in service, I was impressed. The magnet was almost totally clean. The last bits of factory sludge, no doubt.
The best thing about Amsoil? It's not $19. 50 a quart!

As far as Amsoil tech-line,I've never talked to that girl, and if I would have,they would have heard about it! E-mail me and I'll tell you who to ask for. I don't want to post it and swamp the poor guy with calls!

Gene
NRA Member

 

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Amsoilman,
You might have looked at the wrong ling in your book. The NV 5600 takes a GL-4 also not an engine oil.

The lines are close together and could be read wrong. The NV1500, NV3500, and the NV 5600 all take the GLS or Gear Lubricant Special Part #4874464.

You may have been reading the line below it that says the 1990 to 1993 NP2500 takes the 10w30 SG, SG/CD engine oil

Sincerely, Kevin

 

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MGM,
FYI, Ed Fernandez got a little mixed up about price and products. The LE 607 SAE 90 as compared to Amsoil 75w90 showed a wear scar of 33 times less than Amsoil. This product sells for $9. 50 per quart not $19. 50 per quart. The LE 75w140 synthetic is the one that sells for $19. 50 per quart.

Since LE sells straight to the end user most of the price that it sells for is the cost of the oil and production of the high quality products. This is not the case with Amsoil. Since they are multi level marketing there are many pieces taken out of the pie before it gets to the end user, This would mean that it costs much less to make than the LE oil does and has a direct corralation to the technoloy that goes into each product.

The end result is you get what you pay for, But MLM's charge more for their products than the product should sell for. (too many people between the MFG and the end user).

MGM you have your opinion about price and I have mine. I just hope the rest of the guys see through the MLM pricing.

Sincerely, Kevin

 

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Kevin:

Enlightening us on AMSOIL/MLM under the masquerade of pricing issues? What a helpful little trooper you are. For a minute there I thought you were bashing. That looked like fun.

Here, let me help you...

Daimler Chrysler must have technology that is out of this world. Last time I heard, they were charging $25+ per quart of their 140W. Acccording to your theory, Kevin -- the one about cost having a direct correlation to the technology that goes into each product -- Mopar Oil outdoes both AMSOIL and LE in the technology race. Therefore, mother Mopar oil is the superior product.

And what about that AMSOIL company. Can you believe that the founder would use MLM marketing to get the word out about the FIRST 100% synthetic API rated motor oil?
He should have just dropped the whole idea 28 years ago when he founded the company.

And those dealers!! Why must they all be so darn happy about the results they see in their own applications. What a bunch of zealots! Can't they keep their findings to themselves?

Repeat after me: (as per Kevin)

*AMSOIL is expensive because of MLM, therefore the technology they use to manufacture their product is substandard.

*LE is expensive because of technology, therefore the outrageous prices they charge are acceptable without MLM marketing.

Repeat three times while dancing around your Dodge -- NAKED. During the night, the LE fairy will visit you and ensure that you will NEVER purchase AMSOIL (or any other) lubricants for your Dodge in the future.


HAVE A GREAT NIGHT EVERYONE!
I love this forum...

Gene

[This message has been edited by MGM (edited 05-27-2000). ]

 

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Originally posted by Oil Man:
Amsoilman,
You might have looked at the wrong ling in your book. The NV 5600 takes a GL-4 also not an engine oil.

Kevin,
In my 1999 Chek-Chart Publication, it definately says NV5600 requires a GLS, which includes 5W-30, 10W-30 engine oils.

I will get to the bottom of this on Tuesday, and them make a post.

Amsoilman



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94'SLT 4X4 AT/White in color. Factory Tow Hooks & Running Boards. Amsoil By-Pass filter, Amsoil Air cleaner,and all fluids are Amsoil. Optima "Red Top" batteries.
BD exhaust Brake, BD Torque Lock, BD Torque Converter, Dr. Performance Stage II Injection Pump. Mag-Hytec Diff Cover,Mag-Hytec Transmission Pan, Isspro Pyro, Boost,Oil temp Gauges mounted in 3 Gauge post mount. One gauge monitors Engine Oil, Trans, Diff. Temps.

 

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Gentlemen, let's keep this on a professional and friendly level. We have two competing oil companies represented on this board, and their products are sold in different ways. Any kind of product bashing could affect the livelihoods of the people selling the products, since this thread is being read by thousands of people.
I am well acquainted with both Wayne (Amsoilman) and Kevin (Oil Man), and both are great guys who represent companies that make outstanding products. I know there are other Amsoil dealers active on this board, too. All we need now is a Red Line rep to get on and defend his products, too!
Let's try to stick to the facts and keep it friendly and on-topic. The original question was:

Amsoil makes two synthetic gear oils. One is the Series 2000 Gear Lube that comes in 75W90 and 75W140 and the other is just called Synthetic Gear Lube that comes in 75W90 and 80W90. Amsoil Tech Dept gave me a rather Spartan answer to my reqquest for a recommendation saying to use either 75W90 gear lube in both differentials and the manual transmission. Aside from being more expensive is there some benefit to be derived from using the Series 2000? What does the consensus out there recommend? Thanks for your help.