Originally Posted by
Z33Art
The TR6's are a resistor type plug but they are not copper. I am going attemp to find a set of copper resistor plugs in the stock heat range (7) and see how they do. At idle I am running a bit rich but I am actually idling at the minimum injector off time right now so there is little I can do to make it better short of raising my idle to 1,300-1,500 rpm's.
The coils have the recommended grounding and power supplies per Electromotive. I have verified that the grounding is good so that shouldn't be the problem. I have not been able to test if I have voltage drop up top which could be a possibility I guess. I am at the point where there are a number of small things I could do that would be added insurance such as increasing the size of my battery ground and engine ground strap.