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I wanted to change the oil, filters, etc. in my R33 GTS. I also thought about changing the plugs.

I didnt know which ones to get, so i went to a few places and they told me i had to get Platinum plugs ($26 or so each).

Is that true? Do i have to get Platinum plugs?

Whats the difference between the Copper/Platinum/Iridium(or something like that)

If anyone knows the product number of Copper plugs that i can use, please supply.

Thanks in advance

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You can use copper plugs. The advantages of Platinum and Iridium plugs is that they last longer.

I'm guessing the equivalent copper plug is a BCP6ES-11 (its the one recommended for the RB30)

Have a look on the NGK website (www.ngk.com.au) for more info.

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i put platinums in my 33 and racked up over 100,000kms on the one set.

i just recently bought some copper ones thinking it would only make the car run better (being new plugs) ...no change.

The platinums i pulled out still look great. I'm half tempted to put the old ones back in and aim for 200k :D

I'll be going back to platinums... even if its only for the extra lifespan.

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