upper intake

AM received a bad lot of Stack Racing Plenums. I purchased an intake Plenum from AM on 1/14/2011, received the part yesterday and wanted to warn you all about a problem I ran into. 1st let me say AM was great about correcting the problem after sending some pics and a few phone calls. Now...

i think my fuel injectors might be bad. i doubt anyone has replaced them or cleaned them before i even got this car. i want to replace them but dunno how. it looks like i have to take apart the whole top of my engine just to get to them. ( thats a lot of bolts and nuts) any ideas or tips? cuz...