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Unread 02-23-2013, 04:13 PM   #1
chuck172
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quaker state Defy

Has anyone tried Quaker State Defy synthetic blend motor oil?
Seems right for our jeeps!

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Unread 02-23-2013, 10:35 PM   #2
shootnfish
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I'm a Mobile 1 fan. It's a full synthetic and I like how it keeps everything clean inside the engine. I haven't used the Quaker State Defy, but I would think if it is a synthetic it should have similar properties.
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Unread 02-24-2013, 12:17 AM   #3
bigbossd1030
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Quote:
Originally Posted by shootnfish
I'm a Mobile 1 fan. It's a full synthetic and I like how it keeps everything clean inside the engine. I haven't used the Quaker State Defy, but I would think if it is a synthetic it should have similar properties.
I don't do anything other than royal purple or if I take it in, castrol edge.

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Unread 02-24-2013, 01:18 AM   #4
ashland82391
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Quote:
Originally Posted by bigbossd1030 View Post

I don't do anything other than royal purple or if I take it in, castrol edge.

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Royal purple all the way! But make sure its the kind for older vehicles because it has a lot more ZDDP.

In reply to the original post oil is oil unless it has more zinc/ZDDP which the government is regulating more and more because of emitions. the only thing special about synthetic is that it is filtered more then a normal oil making it lubricate a little better and a little longer.
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Unread 02-24-2013, 07:18 AM   #5
nembudonna
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I go with Casteral. But it's really your call on this one.
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Unread 02-24-2013, 07:57 AM   #6
rescue7
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Rotella T6 5w40. It's a full synthetic HDEO (heavy duty engine oil). It has plenty of zinc, and will keep your engine plenty clean. It can be had for 22.00 for the big jug. However, their big jug is only 4 quarts. Another good option is the Chevron Delo 400 LE full synthetic. It is 19.00 for the jug and is a 5w40 also.

Check out bobistheoilguy.com if you have any questions about your Jeep. Ultimately, any good SN rated oil will be great for your engine. Regular Pennzoil Yellow bottle conventional is one of the stoutest conventional oils out there, and performs excellent in our Jeeps. Stay away from Mobil 1, as it increases the iron wear by a significant amount. Plenty of Used Oil Analysis' to back it up. Good luck to you!
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Unread 02-24-2013, 08:33 AM   #7
chuck172
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I believe 10w30 is the recommended weight.
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Unread 02-24-2013, 08:46 AM   #8
rescue7
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You can run 1030, but the 2.5 and 4.0 prefer heavy oils. Thick 30 weight oils or a good 40. It's cold in Ohio, so I run the 5w40. I will run another cycle of Rotella, and then maybe a little pennzoil ultra 5w30 to clean things up real good.

Be sure you choose a good filter too. You don't need to go overkill, but a Purolator Pureone, Fram Tough Guard TG16, or you can go the new Fram Ultra Synthetic if you want top efficiency.
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Unread 02-24-2013, 03:03 PM   #9
PA_YJ19
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Run the cheapest 10w30 u can find and change it often. Brand is just a preference, ur jeep will run on ne crap u throw at it.
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Unread 02-24-2013, 03:32 PM   #10
ashland82391
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Run the cheapest 10w30 u can find and change it often. Brand is just a preference, ur jeep will run on ne crap u throw at it.
Agree, but you should add a zinc addative after each oil change and as previously stated used a good oil filter,i use k&n
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Unread 02-24-2013, 03:34 PM   #11
ashland82391
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Originally Posted by ashland82391 View Post

Agree, but you should add a zinc addative after each oil change and as previously stated used a good oil filter,i use k&n
Ps make sure you use 5w30 in cold weather. Start up is the hardest on your engine so you want as much oil flowing asap
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Unread 02-25-2013, 11:22 AM   #12
Mywrangler94
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I use Castrol GTX 10w30 in the winter and 10W40 in the summer.... never had a problem. As far as the filter goes...a good name brand is sufficient. I will not use a Fram, as they are great. So good as a matter of fact, that they clog twice as fast. This is a case of too much of a good thing.......Just me.. But then again, I change my oil every 2 months, regardless of mileage.
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Unread 02-25-2013, 01:56 PM   #13
ashland82391
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Originally Posted by Mywrangler94 View Post
I use Castrol GTX 10w30 in the winter and 10W40 in the summer.... never had a problem. As far as the filter goes...a good name brand is sufficient. I will not use a Fram, as they are great. So good as a matter of fact, that they clog twice as fast. This is a case of too much of a good thing.......Just me.. But then again, I change my oil every 2 months, regardless of mileage.
just my opinion but it's not a good idea to run thicker weight oil then recommended. 30 weight is recommended because that is what the engines clearances call for.if the oil is too thick it has a harder time traveling through the spaces resulting in less lubrication which causes faster engine wear.

Also, it should be the other way around, change the oil based on millage regardless of time (to an extent) the more miles on the oil the more the additives in the oil are broken down (oil is 20% additives and 80% oil)

Just my 2€
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