Quote:
Originally Posted by RBYCC
NGK's are great and still available !
I run BP6EFS in my M103-12V twin turbo.
They are one step colder then the BP5EFS which is the same range as the Bosch H9DCO.
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I am very happy with NGK and am not having a problem finding them, and they are cheap too!
The importance of using a non-resistor plug in a system (coil, cap, rotor, and wires) designed for them has been beaten to death in this forum. My opinion FWIW: different resistance from that originally specified will change the waveform, height, and duration of the spark. Not by much, but maybe by enough to cause a problem.