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  1. R

    2013 Silverado 5.3l oil recommendations

    901Memphis, as an aside- just sold 2000 Taurus wagon (24v) & just finished fixing (AC compressor+, windows, added tranny cooler) our 1999 Buick LS 3.8l. The truck new with whatever oil came with (2013 5.3l) got 20.7 mpg. Changed oil (Penzoil Synthetic Blend 5w30) @ 486 miles (break in), drove...
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    2013 Silverado 5.3l oil recommendations

    OK, have a question- Here is the Penzoil synthetic blend 5w30 MSDS & TDS: <a href="http://www.epc.shell.com/Docs/GSAP_msds_00284203.PDF" target="_blank">http://www.epc.shell.com/Docs/GSAP_msds_00284203.PDF</a> <a...
  3. R

    2013 Silverado 5.3l oil recommendations

    Well, the non-dexos I used for my non-dexos truck before was $14.99 Warner petrolium @ kmart (that was their spectrum, but Kmart swtiched to SuperS smitty's where I am at- manager told me old supplier couldn't supply enough). For this Penzoil Synthetic Blend 5w30 that I just got at Walmart-...
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    2013 Silverado 5.3l oil recommendations

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: mrsilv04</div><div class="ubbcode-body">I've been using Pennzoil Platinum in two 5.3 liter GM trucks for years. No worries, no problems. I change it according to the OLM, and life is good. However, I am giving...
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