Since so many people say not to run resistor plugs, and then you add this thread... I would avoid it. KISS.

http://www.slkworld.com/slk-r170-general-discussion/115017-e3-spark-plugs-beware.html#/topics/115017?page=1&_k=1kimxv

__________________
Past mb: '73 450sl, '81 280slc stick, '71 250, '72 250c, '70 250c, '79 280sl, '73 450sl, parted: '75 240d stick, '69 280s, '73 450slc, '72 450sl,