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i run the zzp coils in both my cars, never had an issue. the Napol stuff you posted, ive never heard of them. looking at their product line it appears they are importing a lot of parts from china. their coils look identical on the outside to zzp, and if zzp has theirs made in china its quite possible these are a direct knock off.
Had been doing lot of research for power adders and come across napol performance and because of cobalt or ecotec searching found those coils. Any thoughts on napol?
I also run the ZZP ones. Had a misfire on one cylinder with my stockers and I had the ZZP ones laying around. That was over a year ago and I haven't had any issues since. Still running a 0.028 gap though; haven't messed with bringing it back up to
0.032 like they say you can.
I have contacted ZZP about the coils because they are out of stock they said weren't sure of an ETA when they would have them again. As they are doing testing on improving the coils. eBay has a set listed 20$ higher and for 15$ shipping when ZZP is usually around 10$ for shipping. I think I will have to hold off for now even tho I would like to change them while the car is down for a trans swap with a lightweight flywheel and stage 3 or 4 clutch. Unsure of what clutch to choose yet
