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Old 03-23-2004, 12:00 AM
Duke2.6 Duke2.6 is offline
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Join Date: Mar 2003
Location: Southern California
Posts: 2,272
103 engines call for a non-resistor plug and Bosch Super is the only readily available non-resistor type. Not sure about '97.

I've pulled and tossed 30K mile Bosch H9DC that still looked serviceable. Never had any problem with them.

My experience with Autolite is that their shell plating has poor corrosion resistance, so I don't care for them.

Bosch Super H9DC are not to hard to find for about two bucks each. The 103 OE H9DC0 has a "heavy duty" electrode, but they're tougher to find and more expensive.

Resistor type plugs in 103s seem to increase idle roughness and test emissions.

Duke
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