We forgot to tell you to do a CWE (Cold water extraction) because of the high amount of APAP could damage your liver. Don't exceed 4000 mg in a 24 hour period. There are several threads on how to do a CWE and it's crucial if your pills have that much acetaminophen in them.
^ CWE is great advice but not necessary if someone is taking less than 2 grams at a time and/or 4 grams in a day (some prefer 3 to be safe). If the OP is starting with 2 grams, he is taking the equivalent of an over the counter dose of extra strength tylenol and that's it.
As others have said, you probably want to start with 2 or 3. You can always take more if you desire. There are LOTS of threads on hydrocodone dosing and you easily could've just checked erowid or used the search engine. If you have any questions, send me a PM
People tend to think starting a thread will get them answers quicker, but you could found this information within 30 seconds using the search engine so please start with that and only make threads when you can't find your answers Welcome to BL as well! This place is loaded with information and some amazing individuals as well.