I don't understand how anyone could read that and still run 5w20...
Because it doesnt say anything.
I don't understand how anyone could read that and still run 5w20...
Because it doesnt say anything.
Doesn't say anything? I guess I'm seeing things where a NASCAR engineer (and I believe he was one of the head engineers for the team that designed the 3v 4.6L) saying NOT to run 5w20 in ANY mod motor ESPECIALLY 4 valves...