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Old 11-25-2008, 07:50 PM   #1
IllusionX
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AMSOIL vs Royal Purple

Guys.. i need your opinions... I have switched from mobile1 synthetic to royal purple ~7000km ago. I will be doing another oil change this week, at the 7000km mark. I know i'm a little anal about oil change (i used to do it at 6000km). I will be putting Royal purple again, as i already about the 4quarts...

I'm actually thinking.. what the hell~~ I guess any oil will do as long as i'm not using motomaster NUGOLD oil... lol
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Old 11-25-2008, 07:52 PM   #2
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im a royal purple fan. ive used both in my bike and choose the purple over amsoil, however i have not used amsoil products in my cars but have used purple.
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Old 11-25-2008, 08:44 PM   #3
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I use the purple, I've used 1 and castrol, the purple is royal.
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Old 11-25-2008, 08:46 PM   #4
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AMS, accept no substitutes...
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Old 11-25-2008, 08:53 PM   #5
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I would go in detailed tech mode but I think this thread would get locked with the "other" guy jumping in. LOL To keep it short, Amsoil is the way to go.
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Old 11-25-2008, 08:55 PM   #6
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Try both...do a UOA on both and see which is the better performer. Post results.
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Old 11-25-2008, 09:27 PM   #7
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Quote:
Originally Posted by IllusionX View Post
I'm actually thinking.. what the hell~~ I guess any oil will do as long as i'm not using motomaster NUGOLD oil... lol
I'd use it, and it's on sale this week too
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Old 11-25-2008, 10:00 PM   #8
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I've tried both, and let me just say that I'm sticking to Amsoil.
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Old 11-25-2008, 10:05 PM   #9
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Use the synthetic that's on sale. Either one will allow your engine to last through 300,000+ miles. In addition, it is a waste of $$ to not extend your oil changes if you go with synthetic. However if your car is still under warranty, I would not go more then what the manual states. After the car is out of warranty, then go with synthetic and the oil should be good for at least 7,000 to 10,000 miles, depending on how you drive, where you drive, and the brand of oil.

At the end of the day, you can put the "worse" synthetic oil in your car, and it will still pull strong at 300,000+ miles...this is something no one really wants to admit because for most, oil is "religion" and their preferences are more found in very subjective reasons, devoid of scientific back up. ;-)

Before you change out a particular brand, do a UOA and use that as a base line when trying other oils, or you could just get what's on sale and call it a day.
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Old 11-25-2008, 10:25 PM   #10
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Exclamation

i've always heard that AMSoil is the best because its a group(grade?) 4-5 blend which is the best you can get apparently. That said, the only reason I bother running it is because my friend gets it for wholesale price at the dealership he works for so its no more expensive for me than mobil1/royal-purple/etc.
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Old 11-26-2008, 01:51 AM   #11
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Originally Posted by Split View Post
i've always heard that AMSoil is the best because its a group(grade?) 4-5 blend which is the best you can get apparently. That said, the only reason I bother running it is because my friend gets it for wholesale price at the dealership he works for so its no more expensive for me than mobil1/royal-purple/etc.
In your case, I'd stay with AMSoil if you can get it at a great price.
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Old 11-26-2008, 01:56 AM   #12
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never tried RP i herd its good stuff. i use amsoil for my yaris
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Old 11-26-2008, 03:09 AM   #13
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I find Mobil1 works just fine for my little Yaris commuter,i dont believe in throwing lots of money into specialty oils when the car was never designed for high performance so no need for high performance oils,anyway it will be traded for a newer car at 5yrs or 175k whatever comes first.
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Old 11-26-2008, 07:40 AM   #14
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Amsoil. You can't go wrong with the best and most complete product line.
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Old 11-26-2008, 07:47 AM   #15
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Originally Posted by SilverGlow View Post
Use the synthetic that's on sale.
Okay.

I can get Amsoil XL for just over $5 and HP for around $6.50 with my preferred customer discount, when I buy it by the case.

And that's a better price than what I'd have to pay at the parts store that I have an account with:

Val SynPower $5.49
LubroMoly $8.80
Castrol Syntec $7.49
Lucas $7.49
Mobil1 $7.99
Mobil1 XP $8.99
PP $6.89
RP $8.49
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Last edited by 1stToyota; 11-26-2008 at 08:10 AM.
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Old 11-26-2008, 08:46 AM   #16
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SOOOOOO many people jump on the Amsoil bus it's unbelievable. You are gaining nothing by using it in a Yaris. I would use the best priced synthetic I could find and be done with it....
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Old 11-26-2008, 08:58 AM   #17
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Originally Posted by Chupacabra View Post
SOOOOOO many people jump on the Amsoil bus it's unbelievable. You are gaining nothing by using it in a Yaris. I would use the best priced synthetic I could find and be done with it....
My last car was a GTO, it had an engine in it. My Yaris has a engine in it too. The GTO had piston slap, the Yaris has overhead cams. Junk-bulk oil probably would get me extra wear metals in either engine. No thanks.
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Old 11-26-2008, 09:56 AM   #18
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Originally Posted by 1stToyota View Post
My last car was a GTO, it had an engine in it. My Yaris has a engine in it too. The GTO had piston slap, the Yaris has overhead cams. Junk-bulk oil probably would get me extra wear metals in either engine. No thanks.

Junk-bulk oil? Mobil 1 synthetic is junk-bulk oil? They are the factory fill on what cars?.....oh nevermind?

AMSOIL is a waste of money on a Yaris and you would be better served buying more expensive gasoline with detergents (Shell).
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