Anyway, I finally made the effort and took the plunge, choosing the offline method of sourcing the NGK. That aside, the first pull on the throttle, I felt the difference. It was, for lack of a better word, 'softer', an easier pull. The change showed up in various other ways. A smoother ride, easier acceleration, an hour or so later, easier gear shifts and the ability to be in lower RPMs and speeds in higher gears.
The car started to misfire at boost so I swapped plugs to NGK PFR6H-10 and everything is good now.
Don't use Bosch sparksticks.
I use iridium’s NGK haven’t had any issues.
Just replaced my previously purchased NGK Iridium from Rockauto.com After 100k miles the looked like I put them in yesterday.
NGK Laser Iridium is the Honda spec and what I buy and have had no issues for 5x 105k intervals.
I read that NGK plugs already have a coating on them, so I didn't apply any when I fitted new NGK BKR6EQUP plugs. Torqued them to 25Nm.
The old ones (also NGK) came out easily and I used a bit of tubing to hold the plug as I installed it into the thread, making sure it was threaded on straight before switching to a ratchet and torque wrench to screw down and tighten.
Every one of my internal combustion engines (3 cars, 2 motorcycles, zero turn mower, has NGK plugs.
the cheap, no name one it came with was doing the exact same thing as the new NGK one I put in (and properly gapped) to try and remedy the issue.
Ngk are trash. Go with oem Bosch
Be careful where you buy your plugs. There are counterfeit NGK plugs out there. I found out the hard way. I purchased off of Amazon. Mine melted before I could even get a mile in to my session.
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