If you've got a flat tappet cam, I'd recommend adding some ZDDP Plus oil additive.
That's what I've been using on my flat lifter motors. The Delo & Rotella oils have changed.
__________________
2017 Camaro RS -217 cu in 365 HP w/8 speed auto
1967 Camaro SS -5.3L LS w/4L60E & 4.11 12 bolt
2019 Cadillac XT5 3.6L V6 w/310 HP & 8 speed AWD
|