rickm wrote:
JeepinJarhead03 wrote:
they were the autolite iridum extremes that i could hear through my radio
it was almost bearable after i put in brand new coils. Almost
it seemed like the KJ didn't have enough juice to push the plugs even with new coils so it was feeding back, atleast that was my personal explanation for it since most iridiums have really good ceramics
i ended up throwing them away because they had the screw on contacts but they would have been good plugs, they ran VERY well, perhaps they would do better in the KK's, perhaps the KK has a better capability to drive them or at least a better filtered radio
but nah, didn't run any E3's
on a side note, if i remember right, NGK irids were OEM in the older KJ's
please explain. Did the noise appear after you put the plugs in or after you put new coils in?
tried them before and after I put new coils in, they're just noisy as ****
If a MSD conversion wasn't as expensive as it is, I would have kept them and tried them with higher voltage
sorry if I confused you, i mentioned the coils because as coils age the less capable they are of driving certain high performance plugs which causes feedback in the system which (sometimes, not always) is what you hear in your electronics, other times it's simple RFI (electrical radiation) that's a characteristic of the design of the plug
after i replaced the coils I ran the same plugs I tested prior to the new coils again for ~1000 miles - the autolite double plats quieted down a lot, the autolite irid Xtremes quieted down, but not much - they ran great, but i couldn't stand to listen to the popping and threw them in the garbage
out of the 4 sets of plugs I tested they were the loudest but that doesn't mean that they'ed be that way in a KK, but I'd be surprised if they weren't, the KK and KJ aren't THAT different when it comes to the nature of the ignition system
to answer your question twice, the new coils quieted down the autolite irid X's but they were still unbearably loud
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