Originally Posted by Table Rocker
I drop light with a 60 watt bulb laying in the bilge should be all you need to stay safe. You could put a blanket over the motor box for extra insulation if you wanted extra peace of mind.
^^that's all you need to do. I didn't winterize yet either (NJ) but mine is inside a pole barn.
You have closed cooling on your LT-1? If so just drain your heat exchanger since closed cooling means you already have a/f in your engine.