Motorcraft Duraspark question...
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Motorcraft Duraspark question...



I've got an AMC-labelled Duraspark box with the popular "TFI
upgrade" parts installed. Works great. Got the Ford TFI coil for
nearly nothing from a yard.

I installed a 1.6 ohm ballast resistor, a big ceramic job, bolted
to the inner fender (there is no resistance wire in my home-made
harness).  The damned thing gets skin-peeling hot -- easy 500
degrees.  I mean, peel-your-skin-off hot like the barrel of a
soldering iron.

The coil seems fine, only a slight temperature rise.  The
Duraspark box is the same temp as the fender.

Is this normal?







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