Check out a company called
www.stylinconcepts.com they have quite a few things there including an Escalade front end Mod. The mods are whatever the limits of your imagination are
No you do not have an LT1. I am not sure what the engine designation is.
I have the same vehicle in a dark green with the barn doors. I love it!!! I am in process of adding a 7" touch screen in the dash and a computer. I've already updated the stereo and speakers. I will be putting a new engine within the next year with a Whipple supercharger
Planning it out now