87 cav. timing troubles

Hello everybody, got a quick question for you all....i got a 1987 2.0 litter Cavalier that i had just replaced the water pump in. This eventually led to the belt being a bit stretched out and now the timing is off and the car wont start. So bottom line, i need to find out how to get the timing fixed, any help? Thanks for any provided.

go to autozone and get the book on your car...your motor is also in the pontiac sunbird. the books are very detailed in telling you step by step on what to do.

Ok thanks..i was told to get a book but i couldnt find it....at lest you gave me a place to start. Thank you. When i get it ill post how it goes. >_<