Preheating Joe Gibbs break in oil to 180F

I noticed with the Joe Gibbs BR break in oil, they recommend getting the temp up to 180F prior to firing. Does anyone do this if so, what method? Pot of hot water with the quarts in there? Thanks
you can install a "soft plug" heater. My 79 300 w/360 came with one, as an option, from the factory. they also make heater blankets you can place on the outside of your oil pan. I don't know that they will get to 180 degrees, though.