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Took a 40 mile round trip to town with the ESP. I noticed engine idle was quieter and, dare I say… smoother? Also seems like I lost a tiny bit of fuel economy, but I will need to drive more to see. No noticeable changes to oil pressure across the RPM range, but these PentaStar electronically...

That’s odd… so it MEETS API requirements, but it doesn’t actually have API certification….?

I edited the post for more clarity. Thanks!

I’ve ran Pennzoil Ultra/Platinum 0w20 since factory fill. Just hit 73k and needed an oil change. In my last UOA post, Mobil 1 0w30 ESP was highly recommended, and the store was out of 0w20 PUP, so I decided to give it a go. I’m doing a little reading about it and found ESP doesn’t have the...

M1 ESP has been highly recommended. All things being equal, what’s the difference between M1 ESP and M1 ESP X2?

100% positive it was PUP. I did the change myself. I always use PUP, but the Podunk parts store was sold out, so I just grabbed PP this time because I was doing a 400 mile drive the next day and didn’t wanna let it go any further.

Here ya go! https://bobistheoilguy.com/forums/threads/pennzoil-0w-20-mopar-factory-fill-2021-ram-1500-3-6l-e-torque-pentastar-3-007-miles.341655/

I often get told to run a heavier oil. By My father, in particular. We’d all run SAE50 in EVERYTHING if he was king of the world lol. I’m most worried about wear from the constant start/stop of the engine. Wouldn’t 0w20 get to the top of the engine quicker when warm than 0/5w30? I think that’s a...

I’m planning on changing to the Amsoil one. Nope. Not a thing done since last UOA. Same air filter and all. I think the engine is just finally fully broken in. I did a LOT of research on this, and found some info from an engineer that helped design the PentaStar. My understanding from him was...

Yeah I’m going to err closer to 10k than 11k with PP

Just another data point. I wasn’t able to find PUP, so I’m running PP 0w20 this time. I asked about how they think they compare, and they said it should work fine. Just FYI, the oil life meter said I needed to change at almost exactly 10k, and I ran 1,300 past that for science because they...

Nope. 4th week since tracking showed it delivered.

Hi! Could you tell me specifically where I need to go and which product I need to purchase to do a sample with them?

BlackStone was who my father (airframe and power plant mechanic & heavy diesel mechanic since the late 70’s) religiously used and recommended for decades and was literally the only lab I even knew existed before coming here. I was fine with a week or 2 wait, then 3 became the norm, now it’s 4...

Im already at 5k miles on the new oil. I might pull a sample and send it in just to see how it’s looking.

Hello! I’ve been doing a lot of research on this. I believe I even found the individuals you are referring to, including an engineer on the first generation PentaStar. It seems like the Generation 1 PentaStar was designed for the heavier oil, and the change to lighter weight recommendation was...

Will do some research. Thanks! I absolutely love my 3.6l etorque. It rides smooth, is dead quiet inside, and gives great gas mileage on the freeway (~24mpg with cruise control @70). I also tow a (properly set up and verified on CAT scales) 7k lb trailer with it and it never misses a beat.

Oh good call! I didn’t think to look on the OG report. 7200 miles for baselines.

Hello! Why is that? 0w20 is on the oil fill cap and the only viscosity recommended for this engine in the manual. Thanks!

I sent a sample in at my last oil change and just got this back from Blackstone. I thought I would share. 2021 Bighorn 1500 4x4 3.6L E-Torque Pentastar Pennzoil Ultra Platinum 0w20 Sampled at 52,068 miles 9,431 miles on oil - The vast majority being highway miles, with ~300 miles of towing a 7k...