Re: oil with out zink
The scare from the lack of ZDDP has been around since the mid 70's. Most people didn't realize it and most Ford engines didn't suffer from it. Both small and big block Chevys are the ones that suffer the most with flat tappet cams. 1 out of 5 of those cams went flat even before the ZDDP was reduced. I don't get to concerned about the oil in my old Fords, but my Chevy friends do
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