I use a plastic plug, without tape. Doesn't leak. I keep a spare, along with a low water drain valve. I fastened a coffee can around the drain valve, and it was all beat to crap not long after I put it on. Anybody want to guess why I put the coffee can on???
To keep the rocks from hitting it?
2015 Jay Flight 23 RB
2014 Silverado LT 1500 with a 5.3 V8 Ecotec3