Bosch Ignition coil 14v versus 12v Rotorcraft

[Fury_Sauce]

Hi everyone,

I recently purchased Bosch Ignition coils (4x) (Model No. 0221604700) and it was rated at 14v versus the 12v by motorcraft or other OE replacements.

• Bosch Ignition coils (4x) (Model No. 0221604700)

The outcome of getting these replaced was a tremendous performance peak increase or perhaps just peak power restored. My main concern here is that why the such difference in voltage? Did this made a difference for others as well?

Do voltages get increase for strong combustion so that the spark can be more effective when switching to Sport+/Track/Drag stripe modes? is there any coalition on this?

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[TeeLew]

There's not a difference in voltage, just packaging. A system with a 12V battery runs at about 14V with the alternator spinning. Bosch is generally good stuff. It's likely as good as Ford or better, but I don't think you're going to be able to use it as a welder or anything. It's just an ignition coil.

Plugs, coils and air filter are always good maintenance items to freshen up.