greeting guys, this is my first post. been lurking in forums for sometimes.

i have a new cam ground for a honda D16 1.6L motor with aggressive ramp rate. the cam company call for rotella T but it is not sold in the country. only available is shell rimula 3x which i am not sure if it is the same.

however i can get delo 400 15w-40 and delo silver 20w-50 for decent price. does this oil give enough high rpm protection to the main/rod bearings?

delo silver 20w-50 vs the delo 400 which is better? i live in tropical country so 20w is not a concern here.