put a bottle of STP in at each oil change. plenty of ZDDP.
C cindys_sn95 · Registered Joined Mar 8, 2012 · 933 Posts #2 · Jan 1, 2017 View full thread put a bottle of STP in at each oil change. plenty of ZDDP.
C cindys_sn95 · Registered Joined Mar 8, 2012 · 933 Posts #9 · Jan 8, 2017 View full thread FLAT TAPPET CAM GUYS! got to have some extra zinc........