Originally Posted By DaytonaTurbo
I would sooner buy a proper oil. From what I've read, adding too much zddp can be detrimental to lubrication including cam wear.


Ditto. I was told by a lubricant engineer that additives will fall out of suspension and settle in the pan as well.

Brad Penn (1500PPM) is used by a large percent of high dollar engine builders, and is cheaper than VR1 (1200PPM).

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