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hey guys

i was recommended the NGK BCP6ES spark plugs.

i rang a few auto stores and they only have NGK BCP6E which they rekon are the same plugs, but i was told to watch out to make sure its the NGK BCP6ES with the S on the end.

anyone (in perth?) know where i can get hold of them?

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If i could tell you one thing it would be this. PLEASE buy the BCPR7E(S) and gap them to 0.8mm if they aren't already.

If you run more boost than stock (or intend to) you'll be much better off. They're the same thing as the plugs you mentioned but one heat range cooler. They are no more expensive.

Adrian

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Hey Adrian,

I found I was worse off with the 7 heat range. For a daily driver, they fouled a-lot quicker before I got my SAFC than the 6 heat range would. The standard heat range for an RB25 is 5, so 6 is one cooler. I would disagree with getting the 7's unless you got quite a few mods 200rwkw++, and stick with 6's for basic mods, and 5's if completely stock...

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guys, if you've ever tried calling NGK for a recommendation, they have actually told me to sell BKR6E plugs to skyline drivers if they want a cheaper copper core option to the more expensive Platinum and Iridium tip long-life plugs (only differerence is the greater resistance to fouling)

Reason behind the "K" instead of the "CP" is that the "CP" is a projected tip type plug and NGK have discovered that the "K" recessed type plug seems to complete combustion more effectively due to the shape of the cylinder head "squish zone"....

that will add more discussion to your thread (adding to the numerous hundreds of other spark plug threads on here) Oh, and yes totally agree with the gapping and heat range advice above. Buying NGK plugs without the "-11" should give you the default 0.8mm gap.

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  • 8 years later...

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