Chrysler Oil Question

Trooper2 · Sep 10, 2017

I'm coming up on my 1st oil change soon and am hemming and hawing on what oil brand, what filter etc. So there is the oil spec of MS-6395 that Chrysler has for the HEMI. I would like to use Royal Purple and while reading the back of the bottle Royal Purple says that it is MS-6395T certified. Is that the same thing as the MS-6395? I would hate to void the lifetime warranty because I was trying to use what I thought was a good oil for my HEMI.

Also please feel free to give me opinions on what you all think is best. Hell, I was even thinking Dino oil, but I'm past that now as I would like to get 200K out of my truck.

CrispyBacon · Sep 10, 2017

http://www.ramforum.com/f44/synthetic_oil-27664/

69GWC · Sep 10, 2017

Would not suggest using Royal purple oil, its not what it once was.
Either PUP 5w30 along with a good quality synthetic filter or Redline 5w30.

usaf2006 · Sep 10, 2017

5w30 is okay for the MDS? I thought it required 5w20.

usaf2006 · Sep 10, 2017

CrispyBacon said:
http://www.ramforum.com/f44/synthetic_oil-27664/

Read the first page, but noticed it has over 1k pages... Don't have enough time for that sort of commitment lol

Trooper2 · Sep 10, 2017

It does require 5w20. I thought RP was still good oil at least that's what a few people have said.

69GWC · Sep 10, 2017

It also says to run 5w30 if your going to be towing heavy or driving it hard.
Plenty of guys running 5w30 or 0w40 with zero problems.

5w20 is spec out so your truck gets max fuel mileage to keep the epa happy.
I have yet to notice any fuel mileage change running Redline 5w30 and a Royal Purple filter , motor is quieter and runs smoother .

huntergreen · Sep 10, 2017

69GWC said:
It also says to run 5w30 if your going to be towing heavy or driving it hard.
Plenty of guys running 5w30 or 0w40 with zero problems.

5w20 is spec out so your truck gets max fuel mileage to keep the epa happy.
I have yet to notice any fuel mileage change running Redline 5w30 and a Royal Purple filter , motor is quieter and runs smoother .

I can't find where the manual says step up to 5/30 or 0/40 oil for the 5.7. MY 2016. That being said, plenty of guys are running 5/30 redline with good results. I don't recall anyone in the synthetic oil thread running straight 0/40 in the 5.7 hemi.

huntergreen · Sep 10, 2017

also, don't over look your choice in oil filter. hands down RP is at the top of the list. that might be part of your confusion. great filter, so so oil.

TRCM · Sep 10, 2017

Also remember, the owners manual recommends AGAINST using synthetic oil in the Hemi engines.

Ok, after re-reading, it doesn't recommend against, but it also DOES NOT recommned...it says "you may use if....."

Pull Ya · Sep 10, 2017

A little off the subject, but I would suggest that you let the dealer do the first oil change cause the the factory filter is torqued at about 200 and it's a ***** to get off. Well maybe not 200 but it's really really tight---let them fight it the first time
Jay

69GWC · Sep 10, 2017

TRCM said:
Also remember, the owners manual recommends AGAINST using synthetic oil in the Hemi engines.

Yeah but you pull in there to get your oil changed and they ask you" conventional or synthetic oil Sir"...lol

Why I dont look to the owners manual for advise..lol

TRCM · Sep 10, 2017

69GWC said:
Yeah but you pull in there to get your oil changed and they ask you" conventional or synthetic oil Sir"...lol

Why I dont look to the owners manual for advise..lol

They don't ask me.......they know I have a hemi.

Seriously ?...you'd trust the flunkies changing your oil over the owners manual ?? I don't even trust the ones at the dealership, as they have jacked something up every time (spilled oil, dirty hand prints on the interior or body, interior panels left off that never should have been taken off in the 1st place, damaged rims, incorrect alignment, etc).

Burla · Sep 10, 2017

2017 rams OM recommend synthetic in every case, gears, tranny, and engine.

For best performance and maximum protection under all
types of operating conditions, the manufacturer only recommends
full synthetic engine oils that meet the American
Petroleum Institute (API) categories of SN. The manufacturer
recommends the use of Pennzoil Ultra 0W-40 or
equivalent Mopar engine oil meeting the requirements of

Use only Mopar ZF 8&9 Speed ATF Automatic Transmission
Fluid, or equivalent. Failure to use the correct fluid
may af

We recommend you use Mopar GL-5 Synthetic Axle Lubricant
SAE 75W-85.
Rear Axle – 1500 Models We recommend you use Mopar Synthetic Gear Lubricant
SAE 75W-140 (MS-8985). Limited-Slip Rear Axles require
the addition o

69GWC · Sep 10, 2017

There you go..^^^^

69GWC · Sep 10, 2017

TRCM said:
They don't ask me.......they know I have a hemi.

Seriously ?...you'd trust the flunkies changing your oil over the owners manual ?? I don't even trust the ones at the dealership, as they have jacked something up every time (spilled oil, dirty hand prints on the interior or body, interior panels left off that never should have been taken off in the 1st place, damaged rims, incorrect alignment, etc).

After the first time I dont go back for oil changes, so no I dont trust them.

They still ask the question though.

WiSH2oo0 · Sep 10, 2017

Burla said:
2017 rams OM recommend synthetic in every case, gears, tranny, and engine.

For best performance and maximum protection under all
types of operating conditions, the manufacturer only recommends
full synthetic engine oils that meet the American
Petroleum Institute (API) categories of SN. The manufacturer
recommends the use of Pennzoil Ultra 0W-40 or
equivalent Mopar engine oil meeting the requirements of

Use only Mopar ZF 8&9 Speed ATF Automatic Transmission
Fluid, or equivalent. Failure to use the correct fluid
may af

We recommend you use Mopar GL-5 Synthetic Axle Lubricant
SAE 75W-85.
Rear Axle – 1500 Models We recommend you use Mopar Synthetic Gear Lubricant
SAE 75W-140 (MS-8985). Limited-Slip Rear Axles require
the addition o

Here is a picture of my 2017 manual pp 292

Burla · Sep 10, 2017

I copied and pasted from 2017 rams owners manual online, dont know what else is there. nothing in either says dont use synthetic.

WiSH2oo0 · Sep 10, 2017

Pp 293

recommends the use of Pennzoil Ultra 0W-40 or
equivalent Mopar engine oil meeting the requirements

For the 6.4l engine.

Also Pp 301 does not say to use 5W30 when towing. Towing falls under Severe Operating Conditions and requires more frequent oil changes.

Trooper2 · Sep 10, 2017

Where does it say that? I looked and can't find it

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