I run ngk tr6 plugs straight out of the box in my cammed ls1 for $6ish a plug (discounted) i change them more frequently for piece of mind. The car runs mint
I use these in my IE stage 1 MK7. I replace them every 20k, zero issues so far. They could probably go another 10k miles, too, I just replace them early to avoid the ground strap issue that seems to be prevalent.
When I order NGK spark plugs, I get NGK spark plugs, not some copy.
The AC Delco Iridium are fine failing that anything NGK the NGK ruthenium work well. Or the NGK Iridium
I replaced all spark plugs with Genuine Audi NGK plugs and replaced all Ignition Coils as well.
After changing: Idles better and more consistent at 700~800 rpm range. Car drives smoother? Changing spark plugs made it visibly better.
i got a cheap 80cc kit a while ago and it ran awesome for about 3 months, then i let it sit for almost a year in a garage. Now rusted in some places, but still spins freely, and piston is intact. I just installed a centrifugal clutch and a pull starter, along with a new cdi and new coil, but it just wont start no matter what. I keep pulling and pulling and nothing. I even got a lower temp spark plug for it (NGK B7HS). Fuel is going in, carb seems to be working, i believe im using good enough fuel, tried many different fuel/air mixes... but nothing. Can anyone here please help me figure out what could be wrong? If you need any additional info please ask.
EDIT: after some back and forth with the comments, i decided ill try and disassemble/clean the carburetor, and maybe some other things suggested.
I also realize my formatting isnt the best, but this was one of the first few times i posted in reddit, ever...
And to address me just chucking in new parts suddenly? yeah, not the best move, i realize, but ill try and make it work, and a lesson learned.
Anyway, thank you for the help everyone! I very much appreciate it. Perhaps ill post an update on whether i managed to get it running or not
UPDATE: Today i tried most of what you all suggested and unfortunately, still nothing. I opened the carburetor, as clean as could be.
At this point, my only two suspecrs left is the crankshaft magnet getting misaligned, or im just not getting enough rpm with the pull starter, which is already kind of bogus because it produced a decent spark even when not pulling too fast
Went with NGK spark plugs that was bundled with some generic wires and coils, not ideal but it’s all I could afford at the moment
I’m lucky if I get a full 5k miles out of a set of ER10S before one of them shits out and I get a misfire.
If it is the skyactive-x be aware that the owners manual advises spark plug replacement at 40k miles and the Mazda plugs are \u00a340 each. I put aftermarket Bosch plugs in and it ran very lumpy and had to replace with Mazda ones.
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