Holy Crap, I better switch to 5w-30 right now, I mean I only have 145,000 miles on my 02 and have used only 5w-20 since my first oil change.
If you think your engine (stock or mildly modified) is going to blow up b/c you use 5w-20 instead of 5w-30 than fine go ahead and use it, but don't tell...