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That is what I am doing, just being confused why the gap is not correct. I was thinking I might be doing something wrong. Another question on topic, do ik iridium tt have same or greater lifetime than platinum? Few years ago they were performance oriented not lifetime. Quite a job to change...

these are 1.1mm now. They were new,had plastic protectors and checked them don't appear to be fake. I still had to adjust almost all of them which confuses me...

Ah yes sorry I was only pointing out that pin, not measuring that way. I will check if ones I have are fakes... it's possible.

I also have a set of denso which again are nowhere near 1.1mm brand new out of the box. And denso says do not gap platinum or tt ones... especially since they are matching oem specs already.

Hello, having a question on gapping spark plugs, platinum in this case. I've got a set of NGK PFR5J-11 which theoretically are factory gapped to 1.1mm and my service manual says 1.1mm so should match. However I've found to be alot less than that, and I have doubts all six are wrong. My confusion...