HAhaha, it's ok! Just make sure that your thoughts etc are conveyed correctly on the board before hitting the submit reply button. if you press the reply button you also have a wonderful " preview' button you can press, as well as an edit to the bottom left of where your avatar is.

i searched up a little bit on the 15w20 oils and it looks like Mobil does make it, but it's not synthetic Mobil 1. It's actually for the shocks / forks of motorcycles!