Does the coil point up or down?

From your point in space, start the Line command, then shift and right-click. Select Perpendicular from the e-snap drop-down menu.

You can't. That's why you'd better buy shorter springs and lower shocks. Or coilovers.

You can use just two of the wires or more, usually 3, as you most likely have 4 insulated wires and one bare uncovered earth wire. Humbuckers have either 2...

You can hook it to the ignition module on most any fuel injected vehicle.

Clear your calendar cache and cache.db and restart. Make sure it works before deleting the backups.

Check the intake and cylinders as they might stop the power from increasing uphill.