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Summer time is here,

I read the manual and I know the preferred oil is penzoil 5w-20 (synthetic)

Does anyone recommend 5w-30? Reason I’m asking is because I’ve heard from a few places 5w-30 makes the engine run smoother and quieter but costs mpg idk

What oil do you guys use?
 

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I always stick with the factory recommendation.
Engine oil debates range all over the map. Brands, weights, dino or synthetic ... and everybody has a different opinion.

As for your comment "smoother and quieter". My 3.6 couldn't be any quieter, or smooth.
( My Durango has the 3.6. )
 

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Summer time is here,

I read the manual and I know the preferred oil is penzoil 5w-20 (synthetic)

Does anyone recommend 5w-30? Reason I’m asking is because I’ve heard from a few places 5w-30 makes the engine run smoother and quieter but costs mpg idk

What oil do you guys use?
I have used 5W-20 full synthetic oil that meets or exceeds Chrysler MS-6395 standards year round - for 96,000 miles now.
 

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I have 2 vehicles with a 3.6. One is a 2012 200 and the other is a 2018 RAM. The 2012 says to use 5w-30 and the RAM says to use 5w-20 but the RAM owner's manual also says 5w-30 is OK for the 3.6. I assume the same is true for the 200. So I think you can safely use either oil. I believe the 5w-20 recommendation is based on the idea that the lighter weight oil slightly improves gas mileage. You can make your own choice as to whether you feel the fuel mileage idea is more important or whether you think the 5w-30 stands up to extreme conditions better. It's kind of like religion. Eventually you have to make up your own mind. Check your owner's manual about the recommendation because I'm pretty sure it will say either is alright. Here is a quote from my 2018 RAM manual....

Engine Oil Viscosity 3.6L Engines (1500 Models
Only)
Mopar SAE 5W-20 engine oil approved to FCA 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 "Servicing And Maintenance" for further information.
NOTE: Mopar SAE 5W-30 engine oil approved to FCA
Material Standard MS-6395 may be used when SAE 5W-20
engine oil meeting MS-6395 is not available.
 

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Summer time is here,

I read the manual and I know the preferred oil is penzoil 5w-20 (synthetic)

Does anyone recommend 5w-30? Reason I’m asking is because I’ve heard from a few places 5w-30 makes the engine run smoother and quieter but costs mpg idk

What oil do you guys use?
 

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The 3.6 has a variable pressure oil pump, I would not use anything but oil weight that your owners manual shows. I only run full synthetic, Quaker state ultimate durability 93,000psi film strength per testing by 540Rat.
 

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Anything that carries the API seal on the back will work.
Mobil one in the 90s USED to be 5W/50 but it freaked everyone out.
 

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The 3.6 has a variable pressure oil pump, I would not use anything but oil weight that your owners manual shows. I only run full synthetic, Quaker state ultimate durability 93,000psi film strength per testing by 540Rat.
Actually it's 123,000psi load film strength.
 
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