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synthetic oil
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  1. OEM Issues
    Hey guys, I'm new here so I had a question. Just this week, I decided to do my own oil change on my 2006 Trailblazer. I haven't done my own oil changes for years but, I decided, that since I have 115,000 on 'er to make the switch to full synthetic. So, I picked up 7 quarts (that's what it...
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