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Old 04-24-2011, 04:43 PM
 
Location: Somewhere in Kentucky
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Just curious. How does it compare to Amsoil and M1?
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Old 04-24-2011, 05:04 PM
 
Location: Dallas, TX
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When I researched what oil to use in my Subaru, there were too many saying that Royal Purple was good for track cars with very frequent changes, but in regular use it would lose viscosity (shred?) too fast.

That said, Subarus can be a little particular about their oil.

I'm using Amsoil 10W-40 in my car, 7,5k mile change interval.
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Old 04-24-2011, 05:36 PM
 
Location: South Jersey
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RP is good oil.. Its premium oil that costs quite a bit.. Its on par with redline, Amsoil and Mobil 1
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Old 04-24-2011, 05:39 PM
 
Location: Somewhere in Kentucky
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I could always go with Supertech from Walmart. HA!!!
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Old 04-24-2011, 05:41 PM
 
Location: Great Plains
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Well I run Motorcraft synthetic blend in my Lincoln, oil and filter changes at 5,000 miles. In my pickups I am running Rotella 10w30 in the gas engines. I use Rotella SAE. 30 in my small engines.
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Old 04-24-2011, 07:35 PM
 
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I have, great stuff.
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Old 04-24-2011, 07:47 PM
 
Location: Vancouver, B.C., Canada
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Quote:
Originally Posted by frankgn87 View Post
RP is good oil.. Its premium oil that costs quite a bit.. Its on par with redline, Amsoil and Mobil 1
agreed
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Old 04-24-2011, 07:54 PM
 
Location: Earth
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I've wondered how much better RP is from Mobile 1? It's a $2 difference.
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Old 04-25-2011, 05:54 AM
 
Location: South Jersey
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Quote:
Originally Posted by SD4020 View Post
Well I run Motorcraft synthetic blend in my Lincoln, oil and filter changes at 5,000 miles. engines.

I run this oil too in all 3 of my cars.. Its made by Conoco-Phillips and is good quality oil at a fine price..

Lubricants (http://www.conocophillips.com/EN/products/consumer/lubricants/Pages/index.aspx - broken link)
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Old 04-25-2011, 06:23 AM
 
Location: Birmingham
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In a street car with less then 100whp per cylinder, I think it is a waste of money. Just buy Mobil 1 from Wal-Mart and change it every 5000 miles.
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