Recent content by rock

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    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: http://www.epc.shell.com/Docs/GSAP_msds_00284203.PDF http://www.epc.shell.com/Docs/GPCDOC_X_cbe_24855_key_140003971205_20110702170_2.pdf Now here is the Tech product info on Smitty's SuperS synthetic blend 5w30...
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    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- cost...
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    2013 Silverado 5.3l oil recommendations

    Originally Posted By: mrsilv04 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 serious consideration to using the Dexos-1 approved Pennzoil 5w-30 Synthetic Blend in both...
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