M1 5w40 TD or RTS 5w40 which is better?

[FastSUV]

I know the Rotella is GP-III base right?

 

[Rand]

both are great.

RTS is generally somewhat cheaper.

 

[addyguy]

I'd venture that the M1 is slightly 'tougher', but as said, the RTS is definetly cheaper. So unless you are REALLY pushing your intervals, RTS will do fine!

 

[tig1]

The Shell oil is fine. However the M1 5-40TD is an outstanding oil. Should work well for your application. Here is a link to the TD.

http://www.mobil.com/USA-English/Lubes/PDS/GLXXENPVLMOMobil1_Turbo_Diesel_Truck_5W-40.asp

 

[440Magnum]

Originally Posted By: FastSUV
I know the Rotella is GP-III base right?


Yes and no. Its Shell's XHVI base stock, which is much more processed than regular old Group III. XHVI is truly, unquestionably, synthetic in the sense that the "dino" molecules are disassembled and then put back together into a highly consistent product. If XHVI is "dino oil" then so is plastic ;-)

I'd think you'd be hard pressed to find much practical difference in the performance of the 2 oils.

 

[coffee]

Originally Posted By: 440Magnum
Originally Posted By: FastSUV
I know the Rotella is GP-III base right?


Yes and no. Its Shell's XHVI base stock, which is much more processed than regular old Group III. XHVI is truly, unquestionably, synthetic in the sense that the "dino" molecules are disassembled and then put back together into a highly consistent product. If XHVI is "dino oil" then so is plastic ;-)

I'd think you'd be hard pressed to find much practical difference in the performance of the 2 oils.



+1 Completely agree!

 

[Gary Allan]

Head to head, I'd put the TD out front ..but the price difference usually neutralizes it in gasoline use. I haven't used either post Katrina, but $:$ you don't have to get as much out of RTS to make it pay. Both are hopelessly overkill for most gasoline applications.

 

[GameOver]

Used both in the Jeep 4.0 at 115,000 miles. I think Mobil 1 TDT is better, even though I like Shell's price.