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Old 02-29-2008, 12:05 PM   #1
Mavrik
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Member#: 90347
Join Date: Jul 2005
Chapter/Region: AKIC
Location: Anchorage AK
Vehicle:
2013 BRZ & Imp 2.5RS
Yamaha FZ8

Default UOA for RP and Valvoline 5w40 (I searched)

I'm about to switch to synthetic oil on my 2007 stage 1 STi and have been reading up on the oil issues people seem to be having with modified cars and 5w30 oil. I have been advised by some friends/techs to look into a 5w40 synthetic oil but haven't been able to find any recent UOA on them. I searched but did not see what I was looking for that was newer then a year old.

Does anyone have a UOA on Royal Purple 5w40? I'm also looking for UOA on 5w40 valvoline and even mobil 1. I did find a 5w40 UOA on valvoline but the thread was about a year old lol.

Any thoughts, advise and UOA you all can give me would be appreciated. My 07 is stage 1 for now. But that will change.
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Old 02-29-2008, 12:22 PM   #2
bluesubie
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04 FXT

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No. People hate facts so you're not going to find one.

There was a recent Redline 5W40 uoa. I know mikeythejew was running the Synpower 5w40, but I don't think he did a uoa on it.

Maybe you could find one on bitog. I know someone did an RP 5W40 uoa there in a Honda Pilot, but that doesn't help much. There are probably more Valvoline fans there than RP fans. FWIW, here are the Product Data Sheets:

http://www.royalpurple.com/motor-oil-pp.html

http://www.valvoline.com/products/Synpower.pdf

They're both ACEA A3 rated, so that's a good thing IMO.

-Dennis
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Old 02-29-2008, 12:36 PM   #3
Mavrik
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Location: Anchorage AK
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2013 BRZ & Imp 2.5RS
Yamaha FZ8

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Thanks a lot those will help me. I'm leaning towards synpower over rp.
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Old 02-29-2008, 12:41 PM   #4
bluesubie
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Found the Honda Pilot RP 5W40 UOA with a VOA .
I see by his signature that he's now using Renewable Lubricant's Inc instead of RP.

A Synpower thread on bitog.

-Dennis

Last edited by bluesubie; 02-29-2008 at 12:54 PM.
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Old 02-29-2008, 03:04 PM   #5
AllWheelsDriven
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www.vispoint.com

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try iwsti.com as well
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