A custom mount/bracket is your best option. Saw a pic from other forum. Looks like a good idea also.
Just ordered a Rigid light bar at 4wo|truck led lights. Good thing my buddy has a fab shop and he will help me install this light bar. Will post pics once it is done.
I suggest that you keep your money and save more in order to get a real lift kit. A body lift will just allow you to install larger tires and nothing more.
Both conventional and synthetic oil are good. Whatever you decide to use, just keep clean oil in the engine and follow the recommended oil change interval.