Oil Type for 2016 G23 H6DI Engine

[2016G23Nick]

Hello,
I was wondering what was recommended for a 2016 G23 H6 6.2 Direct Injection (non-supercharged) engine. I believe last time I put Shell Rotella 5W-40 in it. I called a few dealerships and heard anywhere from 5W-30 to 15W-40. Also heard some say it needs to have the Dexos 2 classification, but that’s been discontinued. Would I just use the Dexos 1 Gen3 or Dexos R? All off the service and parts people I’ve called can’t seem to give me an answer. Feel free to give me a specific brand too, I’m not exactly loyal to anything.

Thanks Guys!

[NautiqueJeff]

Dexos 2 was never the designated oil for PCM engines. The bulletin directs people to Dexos 1 Gen-2 (and now Dexos 1 Gen-3). See the info here: https://www.planetnautique.com/vb5/f...specifications

THAT BEING SAID.......

PCM is now recommending their own brand of oil for ALL PCM engines. While I would be reluctant to start running their new oil in an old GT-40 with 2,000 hours on it (since their oil is a full synthetic), it is definitely what I would recommend for your engine. It is a 10W-40 full-synthetic manufactured by Amsoil, and branded as PCM oil.

You can get it from our friends at NautiqueParts here:
https://nautiqueparts.com/pleasurecr...ine-oil/?aff=2
Be sure to use the PlanetNautique discount code (PND) for 10% off.

Or if you desire, you can get it from my shop (Silver Cove Marine) here, but it is more expensive:
https://www.silvercovemarine.com/cat...ntenance-parts