Today I replaced the end on the negative wire on the coil on my 53 Chevy 216 engine. Because all the wires are at the bottom of the coil, I had to unbolt it from the engine and flip it upside down to make the repair. I have noticed this positioning on other Chevy sixes. I was tempted to install the coil upside down with all 3 terminals facing up rather than down , which would make it easier to service in the future. Does anyone know if it matters whether it makes any difference ? George