JeepFox
Member
Yeah, I started using RP 5w30 HM in my JK when it hit 100k before that I was using RP 5w20 - currently at 200k. To me it has worked extremely well. Not sure if its just my brain making it up but to me I can feel/hear a difference when using the RP in my JK. So currently I am planning to use RP 5w30 once the break in is done when I get my JT.
Thank you for your input.
Thank you for your input.
5w30 is better than the recommended 'viscosity", IMO, and it's the opinion of more than one engineer.
I think Royal Purple is a fairly good oil. Better than some, not as good perhaps as some others, but good enough that unless you race or really pull that thing hard it's likely fine.
I'll either keep using Mobil 1, or Renewable Lubricants oil like I use in my cars, or Amsoil. For now I'll keep taking it to the dealer for free oil, but once that's up, I'll use one of the above as I've used those in other things and had very good luck.
If you have had good luck with the RP oil - why not? I'll put it this way - never heard any complaints. I know some car people with performance engines that use it.
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