Before 540 stroker 1st start

Cam lube/assembly lube is always important. Then fill it with break in oil. One does not replace the other. They work together. I'm not sure it REALLY matters WHO's oil it is. As long as it has the zinc additive. Firing up on first crank is most important. Otherwise all that assembly lube is wasted. Run at VARYING high rpm (over 2500) for 20-30 minutes. Then shut down. Drain oil. Replace with whatever you run (i run a 10w30 high performance with zinc additive oil).

Drive and enjoy!