Which Denso iridium spark plug for Protege 1.6 ZM?
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Which Denso iridium spark plug for Protege 1.6 ZM?
Hello,
I'm new here. I want to replace the current Bosch (non-iridium) spark plugs on my 2001 Mazda 323 Protege. It's a 1.6 ZM automatic and has done 106.000 km. It runs fine.
The manual mentions these iridium types for the 1.6 ZM:
Denso SKJ16CR-A8 ( IK16TT )
Denso SKJ20CR-A8 ( IK20TT )
I understand that the IK16 is the hotter variant: https://www.densoproducts.com/how-do-i-find-a-colder-or-hotter-plug-4
Which one would you recommend? I avoid short distances and have a moderate driving style, usually cruising at ~3000 rpm. Kickdowns are rare.
Thank you for your reply.
I'm new here. I want to replace the current Bosch (non-iridium) spark plugs on my 2001 Mazda 323 Protege. It's a 1.6 ZM automatic and has done 106.000 km. It runs fine.
The manual mentions these iridium types for the 1.6 ZM:
Denso SKJ16CR-A8 ( IK16TT )
Denso SKJ20CR-A8 ( IK20TT )
I understand that the IK16 is the hotter variant: https://www.densoproducts.com/how-do-i-find-a-colder-or-hotter-plug-4
Which one would you recommend? I avoid short distances and have a moderate driving style, usually cruising at ~3000 rpm. Kickdowns are rare.
Thank you for your reply.
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