SAATR, thank you for the lengthy response. You make some real good points, and as much as it makes sense, I Really hope it's not a leaky injector(s)... Lol
I knew the factory injectors are crap by design and researched that the ls1 injectors make for a great substitute after the computer is tuned to match. When I have a chance to rent that fuel pressure gauge again, I will try what you recommended.
Just trying to shed some light on the subject. Oh, about the fuel pressure test gauge:
http://www.ebay.com/itm/New-Fuel-In..._Automotive_Tools&hash=item5ae5546cb5&vxp=mtr
$27 shipped to your door from Pomona. Nifty case too!