i just bought this honda accord ex for my kid nice little car.the car has a burnt valve motor is a 2.2 16 valve 2156 cc f22a4 on block it has 248000 miles on it #1-2-4 cyl comp. had around 160 within 5-10 pounds difference #3 had 0 comp.i am having the head done. the question i have is there a web sight that showes me the timing marks where to put the marks and proper alignment also is there anything that i should keep a eye on when putting back together. is this a interferance moter i mean timing wrong will the pistons hit the valves. new to hondas is there any thing else to watch out for over all thanks