good luck man. i remember we used an extension and and adapter that bends with the socket. I was holding a steel bar to push the engine away from the firewall for a bit of clearance. bend the steel "L" brackets/braces out of the way with pliers - you can bend them back to place later on. ask someone with smaller hands to get in there to take it out.
also try removing as much as you can from the top and back as possible to get as much clearance as you can. Seperate that vacuum hose from piping in your picture, and i think that piping is attached to the side engine as well, removed it too. the coolant bypass leaked after I removed more hoses not a big deal, just messy.
I'm not too savy w/ mechanic stuff. not too sure if I used the correct terms.
It was really a pain. Also used a magnet to make sure that don't fall off when you are about to take it out. (you can tell by this that I was desperate already) I'm sure there is a better way, but this is how I did it.