16 Dodge RAM 3500 w/ 6.4L Hemi - Oil spec ???

[smokingun45]

Looks to me like Dodge is specing a 0 or 5w-20 oil for this HD truck engine. This engine uses some sort of cylinder cut off for cruise. My last 4 trucks have been Dodge/Cummins 5.9 diesel trucks, so I'm out of the loop on gas engines.

What are alternative oils for this engine with increased viscosity, like a 10w-30? I'm not comfortable using this EPA/CAFE mandated thin oil.

 

[SwampSurvivor]

20 grade oils have been around forever. There's no reason you can't run a 20 grade in that engine. There are millions of ford modular engines that are worked hard every day and run >100K miles, 200K miles on 20 grade oil.

With that said, if you don't mind voiding your warranty, you can run whatever you want in it. 10W-30, 15W-40, 20W-50 ... modern engines really don't care.

 

[AirgunSavant]

A 5w-20 would be ideal.
A 5w-30 would be fine as well but I see no advantage going
over 5w-20. Ford uses it too across the board gas engine wise.

 

[Justin251]

2014 and 2015 spec 0w40 I believe.

 

[Nyogtha]

"Engine Oil Viscosity — 6.4L Engine
Use MOPAR SAE 0W-40 engine oil approved to FCA
Material Standard MS-12633 such as Pennzoil Ultra
equivalent is recommended for all operating temperatures.

The engine oil filler cap also shows the recommended
engine oil viscosity for your engine. For information on
engine oil filler cap location, refer to the “Engine Compartment”
in this section."

Source - 2016 RAM Owners Manual, page 801

http://www.ramtrucks.com/en/owners/manuals/

 

[Merkava_4]

Originally Posted By: smokingun45
I'm not comfortable using this EPA/CAFE mandated thin oil.


I wouldn't be either. I drain my oil hot and that 10W-30 is coming out plenty thin. I don't see how anything thinner would be capable of lubricating the engine.

 

[cptbarkey]

Nonsense.

 

[kschachn]

Honestly, what does the owner's manual and/or the oil cap say? Nyogtha's post looks like it came right out of the manual, is that what is in there?

Please don't tell us you came on Bitog prior to reading the book. Or did you just want to complain about -20 oils?

Edit - Even if you don't have the manual, it took me all of 15 seconds to find and verify Nyogtha's post...

 

[tig1]

The EPA does not mandate 20 wt oil.

 

[tig1]

Originally Posted By: Merkava_4
Originally Posted By: smokingun45
I'm not comfortable using this EPA/CAFE mandated thin oil.


I wouldn't be either. I drain my oil hot and that 10W-30 is coming out plenty thin. I don't see how anything thinner would be capable of lubricating the engine.

 

[kschachn]

Originally Posted By: tig1
Originally Posted By: Merkava_4
Originally Posted By: smokingun45
I'm not comfortable using this EPA/CAFE mandated thin oil.

I wouldn't be either. I drain my oil hot and that 10W-30 is coming out plenty thin. I don't see how anything thinner would be capable of lubricating the engine.

The problem with just ignoring the idiocy is that someone might read and believe it.

 

[oldhp]

+1 with Nyogtha.

Engine Oil Viscosity — 6.4L Engine

"Use MOPAR SAE 0W-40 engine oil approved to FCA
Material Standard MS-12633 such as Pennzoil Ultra
equivalent is recommended for all operating temperatures."

20W50 drained when hot is pretty thin too..............

 

[Rolla07]

Originally Posted By: Merkava_4
Originally Posted By: smokingun45
I'm not comfortable using this EPA/CAFE mandated thin oil.


I wouldn't be either. I drain my oil hot and that 10W-30 is coming out plenty thin. I don't see how anything thinner would be capable of lubricating the engine.


Because the difference between 0w30 and 10w30 is...????

 

[JR]

Don't fear the 20 weight flavor. Been using a crossed the board in the gassars in the fleet.
GM corp is finally on the wagon, too.


Ford and Toyota have years of service specing 0/5w-20. Fords have been running it since 2001.



Harvey

 

[Nyogtha]

http://www.pennzoil.com/wp-content/uploa...sler-en-TDS.pdf

FWIW I think the CCS & MRV numerical values are reversed

 

[Merkava_4]

What's the oil pressure on these 0W-20 engines? A 100 PSI ?

They must do something to make up for the lack of viscosity.

 

[SwampSurvivor]

Originally Posted By: JR
Don't fear the 20 weight flavor. Been using a crossed the board in the gassars in the fleet.
GM corp is finally on the wagon, too.


Ford and Toyota have years of service specing 0/5w-20. Fords have been running it since 2001.



Harvey


Want to hear a noisy engine? Listen to my Ford Duratec on a cold start with 10w-30. It's quiet with 0w-20

 

[Rand]

Originally Posted By: Trollkava_4
What's the oil pressure on these 0W-20 engines? A 100 PSI ?

They must do something to make up for the lack of viscosity.


That is what some australian's say about 0w40 which is what the engine the OP mentioned actually spec's.

 

[gallydif]

Since it's new do what the manual recommends (i know you didn't want to hear that answer). Anyways-- enough of the teasing, post pictures of the new truck

 

[kschachn]

Originally Posted By: JR
Don't fear the 20 weight flavor. Been using a crossed the board in the gassars in the fleet.
GM corp is finally on the wagon, too.
Ford and Toyota have years of service specing 0/5w-20. Fords have been running it since 2001.

Harvey


Using something other than what the manufacturer explicitly states is in this case a foolish recommendation and should be rejected out-of-hand.