I had good luck with splitfire wires, but I never messed with using a different cap or rotor or anything along those lines at the time I had my truck, as they werent yet available.
I dont see a real reason to "Not" installing what the Industry calls "high dielectric strength" components that would make any difference to the way any ignition system works, other than you get less "internal crossfires" which can happen at higher RPM in a Conventional type cap and rotor for instance.. Also known as "spark walk", as well as increase longevity of the parts, due to the brass contacts frequently used.
I worked as an assistant manager for an autoparts store for 7 years and was good about both my training and my advice, and I had the habit of getting "input" from customers as well as other research about what I sell them before I did.
Electrically, its ok to do "improvements" to components if they are higher quality than factory but maintain OE design parameters.
I believe in using Spark enhancement systems, and its done all the time in the aftermarket.
However, for the sake of arguement, I agree with your statement only with the regard to installing high power coils.
Sometimes people dont know how to correctly wire components, and make mistakes that can do damage.
But for those who do know and are serious about improving power, then there is little if any risk if they have/are already modifying their engines, exhaust, weight loss, new tires/wheels, and any other modification that basically isnt clearly "factory", or "OE".
If they all felt as you do in entirety, there would be no aftermarket, thats full of safe, quality components that people use everyday to use the old cliche' "soup" your rig.
As I myself have "proven" that you can run Aftermarket components in my Own truck, I will say that moving to higher quality electrical is just fine.
And I will strongly emphasize better wires.
The factory mearly makes products that they feel are good enough "performance" of the wire sets they install in their vehicles.
(well, these days, most of the cars use an entirely different design scope using small, usually spiral wire core, direct fire, or semi direct fire (meaning has to go a distance through a wire) so believe me when I say, wires are going the way of the dinosaur, but there are plenty of good Nissans out there that can use higher quality parts.
Like shocks, and many other components made, there is frequently the use, of lower grade components that they feel will be covered under "general use" categories.. IE-"average joe". So, they know that maintanence will be "taken care of" more often than not to replace wires, plugs, cap and rotor, filters, ect ect..
If you want to maintain "OE" you can, But I also suggest at least going to a spiral wire core wireset, or dual core (such as splitfire or bosch), not because Im talking out of my arse,
but because they really do make a difference and do not do what, from what I gather from your post as, "potential damage" to your Ignition system.
These days, even OE manufactures sell "hot stuff" that improves performance over stock!
So, again, I believe there is nothing wrong with using quality "OE" replacement parts that are designed with increased performance.
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