Synthetic
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Synthetic - 3/7/2008 7:33:11 PM
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Red Ron
Posts: 14
Joined: 3/7/2008
Status: offline
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New Silverado 5.3 L, with active fuel management. How many miles should one have before switching to synthetic oil? I am thinking around 5,000 so that everything has time to seat and break in.
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RE: Synthetic - 3/7/2008 8:01:40 PM
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northey87
Posts: 847
Joined: 10/17/2007
Status: offline
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Welcome to the forum!!! You may want to check with your dealer to make sure that you don't void your warranty by switching to synthetic. If you do not have to worry about the warranty, I would wait till it had around 15,000 to break the engine in well.
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''''95 1500 Silverado, 350, flowmaster Force II exhuast, S&B CAI.
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RE: Synthetic - 3/7/2008 8:07:01 PM
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bad2006z71
Posts: 81
Joined: 2/8/2008
Status: offline
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good rule of thumb is 10k miles. which synthetic are you going with?
i just switched to royal purple from penzoil regular oil and then penzoil platinum. im thinking about switching out the oil in my rear end and transfer case sometime.
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2006 Chevrolet Silverado Ext. Cab Z71, Silver, K&N 63 series intake, 40 series single in dual out Flowmaster, Line-x spray in bed liner.
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RE: Synthetic - 3/7/2008 8:18:17 PM
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Red Ron
Posts: 14
Joined: 3/7/2008
Status: offline
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Thanks for the welcome northy87. I donno what brand yet. Probably Mobil I. I swithched over to synthetic in my motorcycle after about 8,000 miles. I use Shell Rotella 5W 30 in it as it is readily available and preformed very well in oil analysis according to members of the message board for my bike. I don't know if it is a grade 3, 4, 5, true syn. or made from premium mineral or what.
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RE: Synthetic - 3/8/2008 5:38:37 PM
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fireman526
Posts: 450
Joined: 2/3/2008
From: Houston, Texas
Status: offline
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Welcome to the boards Red Ron, there are alot of diffrent opinions on what exactley is the best time to switch. I switched after 6,000 miles, and my Silverado runs fantastic. I will say this. In my personal opinion, from what ive learned from other forums, you have to waste the first oil synthetic oil change-over, because it will be a mix of conventional leftover oil and synthetic. So change it, fill it up, run around town, and change it again. I use Royal Purple, one of the best, IMO. Another really good product is Amsoil. Do plenty of research first and not just rely on opinions. Check out consumer reports.
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