the bigger the tubing the harder it tends to be to bend it. Get the tools for bending tubing and it will make it alot easier to bend without kinking it. getting your coild around a corny keg shouldn't be too hard though
it should assuming you garage gets as cold as it does outside. I know mine doesnt, not alot maybe 5-10 degrees warmer but that might be too warm for the cold crash to work, I've never tried it so I couldn't say for sure.
I have had batches that the side of the carboy that are completely coated and others with nothing on them. I always cold crash and I dont think it made much of a difference as for the coating on the carboy
So I did my first all grain today, surly bender. everything was going fairly well. I knew my efficiency was going to be low since I was dialing in my new corona mill and about half of it was too coarsely crushed. end up at 60%. boil and all that went fine threw the new diy immersion chiller in...