PB Blaster is $3 from Advance (worth every penny)
Top engine brace is easy to remove and can make life easier
Don't use a swivel for the top header bolt on the outside driver corner
Ratchet wrenches get to the tougher spots for install
I used the wheel lug wrench to get extra leverage (only use if you're poor and can't afford a breaker bar)
High impact sockets wont strip your bolts as badly