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#3 |
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Join Date: Jun 2007
Location: from Vancouver BC Canada, now in Nova Scotia
Posts: 1,311
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Rather than mixing in a ZDDP additive, I prefer to use an oil that has it built in. I have been running Brad Penn/Penngrade 1 10/30 and 5/30 oils in my flat tappet and hydraulic roller stuff for quite a few years now, and have had no cam or lifter issues. Over the years, it appears that the Shell Rotella oil has had the ZDP content reduced more than once.
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NHRA 6390 STK M/S 85 Mustang |
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