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Originally Posted by P.E.Haiges
As you probably know, I'm a big proponent of the "not broke, don't fix" philosophy. Especially with GP. GP are kind of like a light bulb, they either work or they don't.
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I'm well aware of your philosophy.
But, just so everybody else is not steered in the wrong direction, a glow plug is not like a light bulb. The heat produced by the glow plug is directly dependent on its resistance. As the plug gets older, its resistance climbs and the heat output is reduced accordingly. A glow plug with a resistance of 1.2 ohms, which I am sure you would continue to use, draws 33% less current and puts out 33% less heat than a glow plug with a resistance of .8 ohms.
No big deal if the temperatures are above freezing, but, when it gets cold................
