Thread: What is ZDDP level of Castrol GTX 20W50?
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KNS KNS is online now
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Join Date: Jan 2004
Location: Docking Bay 94
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I think everbody has a different experience, I went from Castrol to Brad Penn and my car seems to leak a little less. At the very least, pour in one (red) bottle of STP oil treatment.
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Kurt
Old 02-11-2009, 07:08 AM
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