NGKs Spark Plugs Necessary?

Nissan 300ZX technical discussion forum: Maintenance, performance, installations, modifications, how-to's and troubleshooting.
Nismorunner182
Posts: 19
Joined: Mon Jul 25, 2016 7:21 am
Car: 1991 2+2 NA T-Top 300zx

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Hey guys are the NGK PFR6B-11 for NA necessary? I here both sides. What do you all run?


rgregoryb
Posts: 285
Joined: Tue Oct 27, 2015 3:12 pm
Car: 1992 300ZX 2+2 NA

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That is what I run, just changed them. They were designed by NGK specifically for the 300zx. And as an aside, on the NGK website it states not to use anti-Seize compound.

nissanfreak12
Posts: 1709
Joined: Sun Jan 23, 2011 4:07 pm
Car: 92 300zx 2+2 TT
Location: Denver, CO

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NGK BKR6EIX-11

No issues with them at all, can buy at the parts store for like $6, and greg at specialty Z says they are a good match. If you search for them, it says it will not fit the 300zx through the parts store, but they fit just fine. Correct heat range and depth.

Nismorunner182
Posts: 19
Joined: Mon Jul 25, 2016 7:21 am
Car: 1991 2+2 NA T-Top 300zx

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Right on. Thanks for the input. I am just curious because I hear that if you don't use those specific kind, your motor will have bad hesitation and will die. I just bought a z for a project and it starts, turns over and will movee but not very far. So I'm just trouble shooting.


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