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Re: Should I be using ZDDP Oil in my 327?
On a side note there are millions of over head cam engines where the cam actuated the valve directly or from a rocker with no rollers. Don't see a lot of failures .
A car in the 70s with over70k not having issues was rare.
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Mark
72 c20 custom camper Husky edition,
66 SS396 Chevelle 1964 Hawk, 63 Avanti,62 lark
1969 AMX ,
1968 c20 stepside ,85 K20
1977 Suburban sold
68 anniversary.
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