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Old 09-12-2007, 10:34 PM   #1
caveatipse
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Ok so now I am REALLY confused. Is Mobil 1 a real Group IV or not? Does anyone, anywhere, have any reliable facts? I do not want to use it if there is doubt.
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Old 09-12-2007, 10:44 PM   #2
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Originally Posted by caveatipse View Post
Ok so now I am REALLY confused. Is Mobil 1 a real Group IV or not? Does anyone, anywhere, have any reliable facts? I do not want to use it if there is doubt.
Mobile1 is a great fantastic oil, and almost as good as the best: AMSOIL.

No dudes, even the best synthetic WILL NOT give you noticably better MPG, nor power, nor response...these claims are bullsheet....but don't get me wrong, Synthetic is the best oil for your Yaris and will allow the engine to wear slower...but these other claims are pure BS....I've read many control studies and I've never seen any proof that synthetic oil will give more then neglibigle power improvements, and more MPG....never believe these claims as they're all wrong.
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Old 09-12-2007, 10:47 PM   #3
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Originally Posted by Pavel Olavich View Post
Mobile1 is a great fantastic oil, and almost as good as the best: AMSOIL.

No dudes, even the best synthetic WILL NOT give you noticably better MPG, nor power, nor response...these claims are bullsheet....but don't get me wrong, Synthetic is the best oil for your Yaris and will allow the engine to wear slower...but these other claims are pure BS....I've read many control studies and I've never seen any proof that synthetic oil will give more then neglibigle power improvements, and more MPG....never believe these claims as they're all wrong.
But is Mobil 1 a real synthetic?
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Old 09-12-2007, 10:59 PM   #4
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But is Mobil 1 a real synthetic?
Why does it matter?

The better question is: Does Mobile1 protect my engine better then the best Dino oil? And, will it cause lower engine wear rates?
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Old 09-12-2007, 11:11 PM   #5
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Ok so now I am REALLY confused. Is Mobil 1 a real Group IV or not? Does anyone, anywhere, have any reliable facts? I do not want to use it if there is doubt.
no Mobile is a Class III
Quote:
Originally Posted by Pavel Olavich View Post
Mobile1 is a great fantastic oil, and almost as good as the best: AMSOIL.

No dudes, even the best synthetic WILL NOT give you noticably better MPG, nor power, nor response...these claims are bullsheet....but don't get me wrong, Synthetic is the best oil for your Yaris and will allow the engine to wear slower...but these other claims are pure BS....I've read many control studies and I've never seen any proof that synthetic oil will give more then neglibigle power improvements, and more MPG....never believe these claims as they're all wrong.
You are wrong, a more efficient motor will increase the MPG and WHP
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But is Mobil 1 a real synthetic?
yes it is a real synthetic dirived from mineral oils
no it is not a completely man made synthetic
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Old 09-13-2007, 02:36 PM   #6
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no Mobile is a Class III

You are wrong, a more efficient motor will increase the MPG and WHP


yes it is a real synthetic dirived from mineral oils
no it is not a completely man made synthetic
Nope you are wrong...the "increase" is VERY negligible at best. Research and you too will see the truth.
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Old 09-15-2007, 10:32 AM   #7
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Nope you are wrong...the "increase" is VERY negligible at best. Research and you too will see the truth.
it is obvious that you have not run synthetics in your car... I used to run it in my old car and plan to in the yaris after I get my free oil changes from the dealer. it IS noticeable and you DO feel a difference in performance and MPG. Try running redline tranny fluid, the shifts are much nicer!
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Old 09-27-2007, 04:30 PM   #8
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Regardless whether a synthetic oil is a Group III or a Group IV, they are much better than a conventional in any application. With regard to what the average person on here will do in their Yaris, spending a ton of money on Royal Purple or Amsoil is overkill. I have seen Nissan Maxima's with 255,000 miles in my shop running a conventional 10W30. If they can do that on normal oil, any good synthetic oil such as Mobile 1, Valvoline SynPower, Pennzoil Platinum will be even better. Don't get caught up in the Group III or Group IV argument. It doesn't matter, they are both better than conventional oils.
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