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What brand of oil would you use for your Terrain?

47156 Views 7 Replies 7 Participants Last post by  DPK, 
V
Everyone has their preferred brand of oil. So I wanted to find out what is your favorite brand or what brand would you use and possibly why you chose that brand?
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C
ive always used mobil 1. whether its conventional or synthetic. i always stick to mobil 1. never had a problem with before so no reason why i should change.
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T
I have been using Castrol ever since I started doing my own oil changes. Never read a bad review about them and its worked really well for me so far. I try and get the German made Castrol as its a much better grade than the North American made Castrol.
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V
I used to use Royal Purple but I heard bad things about them plus it caused a knock in my engine. Now I use Castrol too.
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Zakman
I have always used Mobil 1 full synthetic in all my vehicles. I also have a 2004 GMC Envoy XUV with 135000 miles on it and it still runs like new and uses no oil between changes. I also change my oil and filter every 5000 miles. Plan to do the same with my new Terrain.
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Zakman said:
I have always used Mobil 1 full synthetic in all my vehicles. I also have a 2004 GMC Envoy XUV with 135000 miles on it and it still runs like new and uses no oil between changes. I also change my oil and filter every 5000 miles. Plan to do the same with my new Terrain.
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Ever tried Castrol? I heard their Castrol Syntec oil is pretty good. Some say as good as Mobil 1 full Synthetic.
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H
never had a problem with before so no reason why i should change.
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DPK
In the past 35 years I've always used Castrol..back then all they had was conventional GTX..Now I use the synthetic EDGE..Never had any engine problems.;)


I have a 2015 V6 (3.6L)...
I've done two oil changes now...I pre-fill my oil filter first before I install it.. I use the WIX/57502XP filter, because I also use Castrol Synthetic Edge oil,w/Dexos (5w30)..

Anyway..I put in a total of 6.5 qts and that brings the level right up to the top of my hash marks on the dip-Stick..This is after a few minutes of running, then I shut it off and check it within about 10 minutes of running.




Four Ball Wear (ASTM D-4172)

The Four Ball Wear Test determines the wear protection properties of a lubricant. Three metal balls are clamped together and covered with the test lubricant, while a rotating fourth ball is pressed against them in sliding contact. This contact typically produces a wear scar, which is measured and recorded. The smaller the average wear scar, the better the wear protection provided by the lubricant.
As shown in the graph, AMSOIL Synthetic 10W-30 Motor Oil produced the smallest wear scar of the tested lubricants...

Next best was Castrol
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