ignition coil questions

Berlins:

Those Ballast seem to get pretty hot so I would like to hook up 2(parrellel??) so have 1/2 the heat going to each

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Yup they run hot, so do light bulbs, and stove burners; they are all resistors.

Circuit analyses here showing why two resistors in parallel won’t work:

http://physics.bu.edu/py106/notes/Circuits.html