09-12-2006, 10:53 PM
I assume it is in those numbers above. Other then that the only other numbers are D107. On Champion plugs (YAY USA!) the very name of the plug tells the heat range.
Jeff Morrison - Used Car Manager
Woodstock Garage, Inc.
Chrysler - Dodge - Jeep - RAM
Current Stable of Mopar Junk
57 Chrysler Windsor 4drHT - 67 Dodge D100 Short Bed Step Side - 71 Dodge Challenger - 91 Chrysler Lebaron LX 33k mile Survivor - 91 Dodge Dakota V8 - 05 Chrysler Crossfire Roadster - 08 Ram 2500 Cummins
Woodstock Garage, Inc.
Chrysler - Dodge - Jeep - RAM
Current Stable of Mopar Junk
57 Chrysler Windsor 4drHT - 67 Dodge D100 Short Bed Step Side - 71 Dodge Challenger - 91 Chrysler Lebaron LX 33k mile Survivor - 91 Dodge Dakota V8 - 05 Chrysler Crossfire Roadster - 08 Ram 2500 Cummins