You have a Ram 1500 HEMI, it has MDS, ( 4 cylinder cut out )
Your owners manual calls for 5w-20 motor oil when you have MDS
The 5.7 in a Heavy Duty Ram 2500 would not have MDS & would use 5w-30

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At 71,000 miles, your engine is not even close to being a high mileage engine

Pennzoil® High Mileage. Pennzoil® High Mileage motor oil helps clean out the sludge lesser oils leave behind, while helping to reduce leaks and oil consumption in worn or higher mileage engines.

You could be using 5w-20 full synthetic Extended Performance or something like it

By the way, Walmart usually carries it at better prices & they have lots of it
I think you need 7 quarts per oil change
I always bought three 5 quart jugs, which is enough for 2 changes +

 

You have a Ram 1500 HEMI, it has MDS, ( 4 cylinder cut out )
Your owners manual calls for 5w-20 motor oil when you have MDS
The 5.7 in a Heavy Duty Ram 2500 would not have MDS & would use 5w-30

-----------------------------------------------------------------------------------------------
At 71,000 miles, your engine is not even close to being a high mileage engine

Pennzoil® High Mileage. Pennzoil® High Mileage motor oil helps clean out the sludge lesser oils leave behind, while helping to reduce leaks and oil consumption in worn or higher mileage engines.

You should be

This is directly from the owners manual.

Engine Oil Viscosity — 3.6L/5.7L Engines (1500
Models Only)
MOPAR® SAE 5W-20 engine oil approved to Chrysler
Material Standard MS-6395 or equivalent Pennzoil® or
Shell Helix® is recommended for all operating temperatures. This engine oil improves low temperature starting
and vehicle fuel economy.
The engine oil filler cap also shows the recommended
engine oil viscosity for your vehicle. For information on
engine oil filler cap location, refer to “Engine Compartment” in “Maintaining Your Vehicle” for further information.

NOTE: MOPAR® SAE 5W-30 engine oil approved to
Chrysler Material Standard MS-6395 may be used when
SAE 5W-20 engine oil meeting MS-6395 is not available.

 

The dealership mistakenly poured 5w-30 into my Ram a couple years back
My Instrument Panel, EVIC, lit up within 7 miles reading see dealer immediately

That particular 5.7L sensors caught the mistake

Some other 5.7l engine & sensors may not be as sensitive

 

What year truck did you have? I have to think your issue was something else that caused it if it specifically says its ok in the owners manual.

 

71,000 miles is not high. When I sold my hemi Dodge Magnum it had almost 400,000 miles, over 10,000 hours. Always used 5w20 Platinum. It never used a drop, even with 20,000 mile oil changes. MDS worked perfectly. My 05 Ram had almost 300,000 miles when I traded, same results. Doubt if the 5w30 would hurt, just realize, it's barely broken in at 71k.

 

I asked because all of the oil manufacturer's advertise High Mileage oil at 75,000 and I am basically there. I have no idea what the difference is between it and the regular Platinum and the info on Pennzoil's site is not helpful in answering my question.

 

The difference are the additives and the sealant, which coat the sealing surfaces. that's all. it has more zink, which binds more dirt. The problem is, when the engine gets older and the piston rings are worn, more exhaust gas can pass and the soot from combustion can go more into the crank housing and therefore in the motor oil. to keep those soot particles from adding up in channels and clogging them up over time, they created the high mileage oil.
to be honest- if you take care of your engine, you don't really need it. what I would consider would be more a high mileage oil filter, which has actually more layers and better filtering. And 70K miles- the engine is barely broke in. don't worry.

 

I don't see any reason to stop using 5W20, but there's no reason not to use high mileage oil. There is a misconception that the seal conditioners in the additive packs of high mileage oils will swell your seals and cause problems, but Dexos 2 criteria requires that an oil not swell seals beyond their original dimensions-so if it meets Dexos 2 then that's not an issue.


IME the Pennzoil made from the pureplus natural gas base stock requires me to add oil between changes, its the only oil I've used where I needed to do that. I have not confirmed but suspect that it does not have a good Noack score.


The only real difference in high mileage oils is the additive package, typically HM oils have greater detergency. Valvoline for example uses sodium as a friction barrier in their regular synthetic, but molybdenum in their high mileage stuff. Nothing API certified uses zinc.

 

Interesting. I am due for an oil change this weekend and was looking at Pennzoil high mileage as well. 183,400 on my '05 1500 4.7L. Are you recommending against Pennzoil, or just suggesting checking the oil level between changes if using Pennzoil?
Any problems with a Mopar 5281090AB filter? Last time I got a Royal Purple filter but the fit wasn't perfect.
Thanks for the good info.

 

oil is in silo- trucks of all kind of companies are lined up and get the oil from the same silo. then they drive to the distinct silo of their brand and they fill the additives in.
Not soooo easy- but this is, how it basically works. There are just so many locations, the oil is coming from and if oil is produced in the US, do you really think, every oil company has it's own oil field and silo?
I don't care, what brand- as long as it has the viscosity and specification required.
You want to fill in high mileage oil- fine. It does no harm, yes, in older vehicles it actually burries potential leakage under some sealant and swelling additives, but that's it.
The only thing I would not change is the kind of oil you use- either standard, semi-synthetic or synthetic- those oils really have differences- and if you engine is run in on one or the other, it will cause in worst case wear in same way as in a new engine.

 

Nothing wrong with pennzoil, but I'd keep an eye on the level. I am using Valvoline

 

Again, very interesting. Thank you Thunderhorse & Guy65.