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T77911s, I think you need to be careful about comparing Bosch and NGK heat numbers. As I understand it, NGK hotter is lower and Bosch is the opposite. I don't think you can compare.
Shane or anybody, can you explain when you need the resistor type plugs and when you don't? I see Shane is using the BP6ES as opposed to the BPR6ES which our host has and the difference is R is a resistor plug. What gives and what should you use???
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-Dave in Minnesota
96 C4 Cab, 85.5 944
82 SC Targa SCWDP #0023
82 928
67 912 60 T-5 B Cabrio
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