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Old 04-13-2012, 09:28 PM   #1
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Royal Purple vs Mobile 1

So I had a mechanic tell me, if I used RP oil, I could never put any other oil in without doing an oil flush.. Is this true? I'm most Likely going with M1 full synthetic, just wondering.. Thanks
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Old 04-13-2012, 09:39 PM   #2
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Re: Royal Purple vs Mobile 1

hmm never heard that, but by no means does that mean it's not true. I have heard by many people in the auto industry that RP is not really worth the price you pay. I personally am drinking the Mobil1 kool-aid lol
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Old 04-13-2012, 09:53 PM   #3
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Re: Royal Purple vs Mobile 1

I have had a bad experince with RP, so Im never going back to that stuff. Im now a true die hard fan of Amsoil... Almost every oil can be mixed just effects service life of the oil.
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Old 04-13-2012, 09:56 PM   #4
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I personally trust Mobile 1 full synthetic over any brand. Most high performance car manufacturers recommend Mobile 1 anyway.
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Old 04-13-2012, 10:03 PM   #5
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Thanks for the info.. Do you know if M1 is available at the ford dealerships, or do I need to bring it, as well as the M1 oil filter for an oil change at the dealership?
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Old 04-13-2012, 10:34 PM   #6
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Quote:
Originally Posted by Musskao
Thanks for the info.. Do you know if M1 is available at the ford dealerships, or do I need to bring it, as well as the M1 oil filter for an oil change at the dealership?
It probably depends on the dealer. That's what it is by me.
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Old 04-13-2012, 11:15 PM   #7
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Amsoil is the best!!!
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Old 04-13-2012, 11:39 PM   #8
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Re: Royal Purple vs Mobile 1

Well I never used Mobil one before but I will not support RP. The debate over Amsoil vs Mobil one comes down to who can sell you the best deal of one of the two...
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Old 04-14-2012, 12:20 PM   #9
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Re: Royal Purple vs Mobile 1

Quote:
Originally Posted by GrabberBlue5.0 View Post
hmm never heard that, but by no means does that mean it's not true. I have heard by many people in the auto industry that RP is not really worth the price you pay. I personally am drinking the Mobil1 kool-aid lol
It is generally accepted wisdom that once you use a full synthetic oil, you do not want to go back to a conventional oil. Put down the kool-aid, more on that later.

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Originally Posted by Mweigt07 View Post
I have had a bad experince with RP, so Im never going back to that stuff. Im now a true die hard fan of Amsoil... Almost every oil can be mixed just effects service life of the oil.
Nothing bad to say about RP here, but it is worth noting that Mobil 1 (as well as Castrol/Penzoil/Valvoline/Etc.) are not true synthetic oils. They are highly refined petroleum products that are inferior to true synthetics. The only oils that are true synthetics are RP, AMSOil, Redline and perhaps a very few others. AMSOil is definitely the go-to company for synthetic oils, but RP or Redline make quality products as well. You can also get 25k mi or 1yr out of an AMSOil fill if you use their filter.

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Originally Posted by mikeyg36 View Post
I personally trust Mobile 1 full synthetic over any brand. Most high performance car manufacturers recommend Mobile 1 anyway.
See above about M1. They're good at marketing their product but it's still a conventional oil.

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Amsoil is the best!!!
+1
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Old 04-14-2012, 12:25 PM   #10
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Wow, did not know that about the Mobil1 thanks for the info Napoleon. I have head about not using anything less than synthetic once you start to though
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Old 04-14-2012, 01:18 PM   #11
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Why would you use anything but synthetic?
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Old 04-14-2012, 03:13 PM   #12
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Amsoil is the best!!!
Yes sir nothing but amsoil in my coyote
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Old 04-14-2012, 03:31 PM   #13
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Yes Amsoil is the best all round oil
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