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chrismoore701 · 07-28-2015, 07:27 AM

I have a 2009 Silverado and I have been using Penzoil 5w-30 since I bought it. Change it every 3,000 miles and it usually eats about a quart. I am thinking of going synthetic. Your thoughts, and which brand should I use? Can I go further between oil changes with synthetic?

Thanks
Chris

07-28-2015, 07:27 AM	#1
chrismoore701 Registered User Join Date: Dec 2004 Location: Highland, IN Posts: 2,319	Which oil to use I have a 2009 Silverado and I have been using Penzoil 5w-30 since I bought it. Change it every 3,000 miles and it usually eats about a quart. I am thinking of going synthetic. Your thoughts, and which brand should I use? Can I go further between oil changes with synthetic? Thanks Chris __________________ Chris _______________________________ 1979 Chevy Stepside SPORT 2018 Chevy Silverado, 39 years apart My build 2008-2016. http://m.imgur.com/a/bURrE