If Nurse's posts haven't scared you off cars for life, nothing will. Cars are a money pit, and unless you've got it sloshing about don't bother. It's a waste.
Modern Cars are generally reliable if you leave them alone. And you didn't buy a BMW.
Modifying them to make them faster will almost always break them because somewhere down the line you're just going to run into a part that was fine as standard but is not designed to handle the extra stress.
If Nurse's posts haven't scared you off cars for life, nothing will. Cars are a money pit, and unless you've got it sloshing about don't bother. It's a waste.
/runs