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Unread 11-03-2012, 10:14 PM   #1
87laredo
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1987 YJ Wrangler 
 
Join Date: Oct 2012
Location: gibsonburg, ohio
Posts: 71
Valvoline

Any opinions on valvoline conventional 10w30 vs pennzoil or Quaker State.

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Unread 11-04-2012, 01:35 AM   #2
rescue7
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1995 YJ Wrangler 
 
Join Date: Mar 2012
Location: , N.E. Ohio
Posts: 93
Valvoline is excellent and returns the lowest wear numbers out of all the oils when it comes to the 4.0 and 2.5. However, if you don't want to look at it that deeply, all brands are great, and super close. Just look for an API certification, and get the proper grade. Good to go after that. Oh, and get a good filter. Cheers
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Unread 11-04-2012, 06:01 AM   #3
WakeDoctor
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1991 YJ Wrangler 
 
Join Date: Oct 2009
Location: Georgia
Posts: 674
I try to use Havoline 10w30. Im not saying it is superior, it is what me and my dad could get at a good price when I was growing up. Now it seems like it is one of the more expensive oils and, even though, I have ran a different name brand once or twice I try to run the same oil every time. I think the best thing you can do for your engine is keep the oil and filter changed properly. I have a WJ with 134K that has had Havoline and Castrol ran in it and a YJ with 140K that has had Havoline and Pennzoil ran in it. I try to put in the same oil every 5k if not sooner. Combined with spark pug changes, air filters, and intake cleanings they both run strong as I ever remember.
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Unread 11-04-2012, 10:19 AM   #4
amiller
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2005 TJ Wrangler 
 
Join Date: Jan 2006
Location: Omaha, Nebraska
Posts: 854
I have been running Valvoline in my vehicles since I started driving in 1994. I have no hard data to back up my usage but have suffered no engine failures. I am reasonably certain that oil brand x or y would have been good too. I just stick to what works for me.
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Unread 11-04-2012, 10:24 AM   #5
Old4X
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1990 CJ7 
 
Join Date: Nov 2008
Location: Ga
Posts: 4,535
I had problems with quaker state from sludge formation and hard, crusty deposits in top of cylinder heads. It was the only oil I used for 5 years. Since switching to valvoline on FI engines and Rotella on carbed motors, no sludge problems going on 20 years now.
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Unread 11-05-2012, 12:50 PM   #6
90DesertTanYJ
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1990 YJ Wrangler 
 
Join Date: Jun 2012
Location: Jacksonville, FL
Posts: 750
Matters not what brand you use if you change it regularly.
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Unread 11-05-2012, 01:20 PM   #7
J-Quad
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1995 YJ Wrangler 
 
Join Date: Aug 2008
Location: Mid-Michigan
Posts: 369
Quote:
Originally Posted by 90DesertTanYJ View Post
Matters not what brand you use if you change it regularly.

.....AND to keep the oil level up into the "hash marks" or full.

My Dad always said: "Any oil is better than NO oil."

J-Quad
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Unread 11-05-2012, 01:32 PM   #8
murilstone
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1987 YJ Wrangler 
 
Join Date: Mar 2010
Location: Kansas City, MO
Posts: 162
personally i have always used Valvoline (or castrol made by Valvoline) sense the early 80s when i started driving/
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