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Old April 3rd, 2008, 06:52 PM   #1
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castrol gtx


meh its alright oil right?


i wanted royal purpel but dont have the money and i found a brand new box of it in my house
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Old April 3rd, 2008, 06:53 PM   #2
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10w-40
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Old April 3rd, 2008, 06:59 PM   #3
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castrol gtx is the best conventional oil in my opinion.... i dont know about the 10w-40 i always use 10w-30... i will be using AMSOIL in my car now though..
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Old April 3rd, 2008, 09:22 PM   #4
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its not gona hurt anything that fore sure
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Old April 3rd, 2008, 11:18 PM   #5
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10w40 is just thicker i use it in my work truck
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Old April 4th, 2008, 12:02 AM   #6
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I use that stuff in my daily driven s10 zr2 and it's been great.
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Old April 4th, 2008, 12:03 AM   #7
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10.89 for a 5 quart container at walmart you can't go wrong
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Old April 4th, 2008, 06:24 AM   #8
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Just pick one brand & stick with it. I have always heard switching brands causes sludge build-up.
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Old April 5th, 2008, 10:06 AM   #9
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Always used it , never had a problem. 10-40 might be a bit thick for a car unless your in hotter weather, it might be ok for the summer but I would keep using on brand and the same weight.
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