Ahhhh!
Just found a good solution although it requires taking off the pan: Immersion oil heaters. Braze on or weld on adaptors available.
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Too bad they don't screw in to the drain plug. Wait... do they? Will ahve to check my threads.
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Vortex generators are old tech. My new and improved vortex alternators are unstoppable.
"It’s easy to explain how rockets work but explaining the aerodynamics of a wing takes a rocket scientist.
