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Ram 3.6l Pentastar Engine #5433275 05/19/20 12:26 PM
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oilchangeguy Offline OP
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I currently run QSUD 5w30. The manual says either 5w20 or 5w30 is acceptable. SInce the Pentastar engine runs at operating higher temps, would running 10w30 in the summer cause an issue?


Thanks


2015 Dodge Ram 1500 QS Ultimate/ Mopar Filter
2017 Ford Edge SE QS Ultimate/ Motorcraft Filter
Re: Ram 3.6l Pentastar Engine [Re: oilchangeguy] #5433281 05/19/20 12:30 PM
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sloinker Offline
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My '14 Pentastar requires 5W20. It changed later to include the 5W30 MS-6395 specification. North Carolina is pretty warm in the summer. I would use the 5W30 if mine.


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Re: Ram 3.6l Pentastar Engine [Re: oilchangeguy] #5433317 05/19/20 12:57 PM
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Jimmy_Russells Offline
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Switching to a 10w30 will not change anything from a 5w30 at operating temps.

Re: Ram 3.6l Pentastar Engine [Re: oilchangeguy] #5433484 05/19/20 04:29 PM
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5W- to 10w- , You would probably notice a difference when the temps get close to dropping below 0*f.


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Re: Ram 3.6l Pentastar Engine [Re: oilchangeguy] #5433514 05/19/20 04:59 PM
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Originally Posted by oilchangeguy
SInce the Pentastar engine runs at operating higher temps...

Higher than what?


2019 o)|||||(o Rubicon Wrangler Unlimited 3.6L V6 [Castrol Edge + Ultra]
2018 Mercedes Benz C300 2.0L Turbo [Pennzoil Platinum + Mann filter]
Re: Ram 3.6l Pentastar Engine [Re: oilchangeguy] #5433541 05/19/20 05:35 PM
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CR94 Offline
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Originally Posted by oilchangeguy
... would running 10w30 in the summer cause an issue?
No


2011 Toyota Prius now at 110K
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Re: Ram 3.6l Pentastar Engine [Re: oilchangeguy] #5433671 05/19/20 08:20 PM
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Oildudeny Offline
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No stop playing mind games with yourself.. 5w30 just fine. 24/7..365

Re: Ram 3.6l Pentastar Engine [Re: oilchangeguy] #5433674 05/19/20 08:23 PM
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tiger862 Offline
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I am running Pennzoil Platinum 5w30 for this oil change. In Louisiana the temps this summer will push 100 but I haven't noticed any difference from 5w20 after 1000 miles. Don't know about GF-6 but with GF-5 5w30 would shear down to 20 grade or close anyway. Depends on sale rather I run 5w20 or 5w30 oil. Now synthetic is quieter that syn blend or conventional. This is my observation in 13k that I put on and it has 16k on right now. I change every 6 months but am going to try to go a year as manual states. Lots of short trips.


Tiger862
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