behind me I have set up the absolute goat of mini V12 engines this thing is a beast 50 CC's runs on gasoline overhead cams electronic ignition system with independent coil packs belt driven water pump ...
There is a range of common adjectives that come to mind when we think of V12 engines. "Smooth" is one, evidenced by engines like the V12 that powers the ultra-luxe Rolls-Royce Cullinan Series II.