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mixing oil

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Old 04-08-2008 | 07:18 AM
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mixing oil

Is mixing 5w30 with 10w30 ok to do? it's all synthetic mobile1...thanks
Old 04-08-2008 | 07:26 AM
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i dont c a problem... wouldnt it just make like 7w30?
searched for u:
http://forums.maxima.org/showthread....ght=oil+mixing
Seems like it doesnt matter

Last edited by udienow; 04-08-2008 at 07:29 AM.
Old 04-08-2008 | 07:36 AM
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^^ 7w30. 15w60 perhaps.....
Old 04-08-2008 | 07:47 AM
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Originally Posted by 97SMG
^^ 7w30. 15w60 perhaps.....
Thats funny^^^
Old 04-08-2008 | 01:40 PM
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shud be fine.........i guess.
Old 04-08-2008 | 01:41 PM
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Originally Posted by Ammi
Don't worry about it. You can safely mix engine oil. Think of it this way; you blended the 2 characteristics of 2 different oils.
.
Old 04-08-2008 | 02:40 PM
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Originally Posted by Kountz430
Thats funny^^^
Woudn't the 5w-30 oil layer on top of the 10w-30 at cold temps?
Old 04-08-2008 | 03:07 PM
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Those oils are so close to the same thing it won't matter.
Old 04-08-2008 | 05:13 PM
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thanks dudes
Old 04-08-2008 | 06:09 PM
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Just curious, did you switch to 10 30? I remember someone telling me for higher milage to use 10 30... I now have 160k and I'm still using dino, but on the next oil change will switch to mobil 1 synthetic... Should I get 5 30 or 10 30?
Old 04-08-2008 | 06:17 PM
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Originally Posted by slow97maxima
Just curious, did you switch to 10 30? I remember someone telling me for higher milage to use 10 30... I now have 160k and I'm still using dino, but on the next oil change will switch to mobil 1 synthetic... Should I get 5 30 or 10 30?
It wont matter once the car is at operating temp. I'd say 5-30 for the winter 10-30 for the summer.
Old 04-08-2008 | 07:00 PM
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Originally Posted by NmexMAX
It wont matter once the car is at operating temp. I'd say 5-30 for the winter 10-30 for the summer.
exactly! you don't want to use 10-30 in NH winters.
Old 04-08-2008 | 09:42 PM
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Originally Posted by slow97maxima
Just curious, did you switch to 10 30? I remember someone telling me for higher milage to use 10 30... I now have 160k and I'm still using dino, but on the next oil change will switch to mobil 1 synthetic... Should I get 5 30 or 10 30?
I just always use 5 30 cause it is not as thick.

I have always been warned on switching to synthetic to not do it because if you have a lot of miles on your car there are typically more cracks in line and whatnot so you would leak a lot of oil. but i dont know how true that is so dont quote me on that.
Old 04-08-2008 | 09:43 PM
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I run 20 50 woo for me.
Old 04-08-2008 | 09:48 PM
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Mixing oils will damage and breakdown the oil chemicals and From what I have heard and read on some oil bottles and some manuals,If you mix up oil you can increase your chances of damaging your engine.
Old 04-08-2008 | 09:50 PM
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we run 10w 40 in the winter works just fine for us
Old 04-08-2008 | 09:58 PM
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Well i know mobil 1 has a high mileage syntehic oil, i havent looked into it but i figured it was more or less a marketing gimmick. So with 160k what is recomended, stick with dino walmart oil or go to syntetic (regular or high mileage)

Why worry about engine sludge?
Old 04-08-2008 | 10:01 PM
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walmart uses Pennzoil, we had a old Ford and Pennzoil was that cars worse enemy, dont use that **** save Urself alot of headaches
Old 04-08-2008 | 10:03 PM
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is there a benefit of mobil 1 compared to gtx?
Old 04-08-2008 | 10:29 PM
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no not really, they are both about equal till U get in to synthetics, mobil 1 synethetic is better than castrol.
Old 04-08-2008 | 10:31 PM
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And royal purple is the best of all. Thats all i run .
Old 04-08-2008 | 10:42 PM
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I dont think royal purple is really worth it, tryed it once worked great but its too expensive
Old 04-08-2008 | 10:45 PM
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Not that much more than mobile one. Plus i run all royal purple. Gear oil, water wetter and engine oil.
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