I can't say a dummy, don't know you or your level of experience. As for the top end noise and the oil, take it back to who did the work and tell them to fix it. As to what the problem is, without knowing what kind of motor and tearing it apart, there is no way to know what might be wrong. First thought would be the rings in the piston. If not installed correctly, compression from the cylinder is getting past the rings and into the crankcase. It's coming out the breather because it's an easy out and possible the lowest available opening.
A fire breather
It sounds like you are describing a ventilation or breather hose; it doesn't go anywhere.
Two of the very best schools for what you want (there are many, many more) are M. I. T. and Standford.The best place for Quantum Mechanics would be the Max Plank institute in Germany.
There will always be a need for mechanics. Even if we go to battery powered cars or hover cars or planes in the future - somebody still has to maintain them and keep them going.
Somebody's Somebody was created in 1995.
Somebody's Needin' Somebody was created in 1984-03.
if she loves somebody she loves somebody deal with it
Somebody's possessive form is "somebody's." For example, "I found somebody's phone on the table."
Sting. Set them Free (if you love somebody)
Yes, somebody's is a noun. It is a possessive noun. For example: Is this somebody's hat? I found somebody's necklace.
I think that is somebody is a thing
The possessive form is somebody else's.Example: No, it's not mine. It's somebody else's.