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Is royal purple the most superior oil out there?

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  #46  
Old 12-28-2008, 03:43 PM
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Quick question: For those of you who are using AMSOIL, how often are you changing your oil? The reason I ask, is because the Amsoil Sig. Series 0W-30 recommends to change every 35,000 miles or 1 year which ever is sooner. (under NORMAL driving conditions) OR 17,500 miles or one year. (For SEVERE driving conditions) How is this not cheaper?
 
  #47  
Old 12-31-2008, 06:39 PM
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6000 miles. I wouldn't recommend going more than that without a UOA.
 
  #48  
Old 01-02-2009, 12:29 AM
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Originally Posted by SwanyJr
Quick question: For those of you who are using AMSOIL, how often are you changing your oil? The reason I ask, is because the Amsoil Sig. Series 0W-30 recommends to change every 35,000 miles or 1 year which ever is sooner. (under NORMAL driving conditions) OR 17,500 miles or one year. (For SEVERE driving conditions) How is this not cheaper?
I change the AMSOIL 0W-30 at the recommended/warranteed intervals of 35,000 miles or one year. Anything more isn't needed and of no benefit. Actually, changing oil at 3,000 mile intervals is excessive and can cause quite a bit of engine damage to occur. A motorist does their engine no favors by changing the oil every 3,000 miles. When an engine is drained of oil, the resulting dry start can cause a lot of engine wear to occur, with metal-to-metal wear occurring. Not a good situation at all.
 

Last edited by HiTechOilCo; 01-04-2009 at 07:20 PM.
  #49  
Old 01-02-2009, 12:31 AM
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Originally Posted by G35_TX
0-30 is fine. I also run 0-30 in my 350Z. I am using Amsoil currently but due to costs, I am switching to Penzoil Plat on my next oil change. The benefits over the cost isn't important to me anymore. PP will protect it better than most oils.

AMSOIL saves a lot of money vs other oils, including Pennzoil.
 
  #50  
Old 01-02-2009, 12:48 AM
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I used RP in my last car on all but one change which I used pensoil and HATED it. Mileage sucked, power felt worse, took longer to rev up. From my experience, RP is the best, I havn't used Amsoil or any of those though. The G has been mobil1 since I got it but next change will switch to something else, not sure yet.
 
  #51  
Old 01-02-2009, 01:36 AM
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Originally Posted by Iceman8
Well for my own .02, Ive tried many oils in many different vehicles from my bike to my boat. While I haven't tried RP yet except in my boat tranny, Amsoil for now is what I'm using. I like it over Mobile 1 for durability and overall performance. I've noticed cleaner oil after changes and quieter running motors. PP I dont really care for other than the price. I didn't see any evidence to otherwise to keep running it. Actually I spun a rod bearing in my Big Block after only 1k miles using it. I know there are other contributing factors there, but after a rebuild by the same guy and running Amsoil its been running like a champ for two seasons. I'd like to try Motul or Redline next. Redline is well know in the snowmobile scene as well as Amsoil.
Why are you all over the place with trying this oil, that oil, etc.?
 
  #52  
Old 01-02-2009, 01:38 AM
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Originally Posted by Shakuya88
I used RP in my last car on all but one change which I used pensoil and HATED it. Mileage sucked, power felt worse, took longer to rev up. From my experience, RP is the best, I havn't used Amsoil or any of those though. The G has been mobil1 since I got it but next change will switch to something else, not sure yet.

What year is your car? If it's 2004+, you'd do well to use an API SM rated motor oil.
 
  #53  
Old 01-02-2009, 01:51 AM
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Theres already been oil analysis done on FI cars with all brands and the best is Amsoil. All others showed piston ring wear. It was on my350z or vqmotoring.
 

Last edited by Andrei; 01-02-2009 at 03:00 AM.
  #54  
Old 01-02-2009, 10:53 AM
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okay i am sold and will be ordering some Amsoil... i've been using 5w-40, but i read on another thread that 0w-40 was the best (for the given test).... or was it 0w-30?
 
  #55  
Old 01-03-2009, 11:02 AM
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Originally Posted by gary c
Funny thread, everyone has an opinion. Personally I doubt if you can
do much better than Mobil 1.
It's even avalilable at Wall Mart, I found out Costco sells it with Mobil 1 filter for $24.99....that's a great deal! I use
Red Line synthetic 10W/30 cause I live in a warm climate, and it's high quality oil!
Gary

Am I the ONLY one that finds this just the slightest bit ignorant ?!?
 
  #56  
Old 01-03-2009, 11:05 AM
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Originally Posted by SwanyJr
Quick question: For those of you who are using AMSOIL, how often are you changing your oil?

7500 miles. I use 5w-30

I did a couple of oil analysis and the company came back and said the oil had at least that much more left in it, for a total of 15,000 miles. I figure a motor is more expensive than oil.
 
  #57  
Old 01-03-2009, 11:09 AM
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Originally Posted by Andrei
Theres already been oil analysis done on FI cars with all brands and the best is Amsoil. All others showed piston ring wear. It was on my350z or vqmotoring.
Do you have references for the F1 test? Please post a link or PDF...
 
  #58  
Old 01-03-2009, 11:25 AM
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Originally Posted by rlwjr1
7500 miles. I use 5w-30

I did a couple of oil analysis and the company came back and said the oil had at least that much more left in it, for a total of 15,000 miles. I figure a motor is more expensive than oil.
I go about 6250 miles (10,000km) but change my filter halfway. I use Amsoil 5w30 but you could go a step higher in quality with the 0W30 Signature.
 
  #59  
Old 01-03-2009, 12:52 PM
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Ive used the Greddy oil, Amsoil, RP, mobil1, and a lot of other products both on FI cars, fully built all motor cars, and daily drivers.

my favorite Eneos, but I have to order it. we ran Greddy just after the motor swap in the S13. I didnt notice much different but the Amsoil was real reliable and I can pick it up at the parts stores.
 
  #60  
Old 01-04-2009, 06:41 AM
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Originally Posted by rlwjr1
Am I the ONLY one that finds this just the slightest bit ignorant ?!?
The need to point out others supposed "ignorance" or to criticize others is far more disturbing trait. Let's stop hijacking the thread and get back on point.
 


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