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VMAX, what oil are you using?

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Old 08-25-2007, 07:22 AM
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Default VMAX, what oil are you using?

Just bought a VMAX last weekend, I plan on start using synthetic at the 1k mark. What oil are you VMAX guys using? I was thinking of Amsoil or Redline, not really a fan of Royal Purple.
Old 08-25-2007, 04:46 PM
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In Texas summertime Royal Purple 10W40 here revs really smooth!
Old 08-25-2007, 05:17 PM
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I've decided I can't justify the cost of the ~$7 a quart oils so I'm sticking with Mobile 1 in my 100K+ engine.
Old 08-25-2007, 05:33 PM
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Originally Posted by truckmann
I've decided I can't justify the cost of the ~$7 a quart oils so I'm sticking with Mobile 1 in my 100K+ engine.
ive decided that i cant justify the cost of even $5 a quart so i just use castrol convential oil and change it religiously
Old 08-25-2007, 05:38 PM
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I'm getting Mobile 1 @ $19.98/5qt. jug at the Wally World and I change it at around 5000 to 6000 miles. I think the conventional stuff is just fine too as long as you are changing it at reasonable intervals like you said.
Old 08-26-2007, 04:48 PM
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I've decided to go with Redline 5W-30. I plan on keeping the truck for a long time. Nothing too good for my pick up!
Old 08-26-2007, 09:24 PM
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Dont put redline in. It will void the warranty if the motor has problems. I use Royal Purple every 3000 miles.
Old 08-26-2007, 09:28 PM
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Originally Posted by ob_silverado
Dont put redline in. It will void the warranty if the motor has problems.
why do you say this?
Old 08-27-2007, 07:27 PM
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Are you saying Redline will void warranty and Royal Purple will not? I work for a dealership and brand of oil never comes into question for engine warranty work. Granted I dont work for GM.
Old 08-28-2007, 08:36 PM
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I just got my 07 Vortec Max and only have 800 miles on it. Plan on using Mobil 1 eventually after a decent break-in.


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