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    GM 3800 V6 - Valvoline Synpower 5W30 UOA

    Hey everyone, new member here who has been doing a ton of reading on this site. I recently ran my 174000 mile supercharged 3.8 GTP with a switch from QSUD to Synpower and a Purolator Synthetic oil filter for 8000 miles at which I finally gave in and changed it due to the color and fear. LOL! The...
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