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Spark plug for RB25DET - I know it's been done before ...

benl1981

By benl1981,
in Engines & Forced Induction

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Robo's Mentor

Robo's

Posted
Posted
Apparenly they don't do the -8 in the iridiums.  Would I lose much power if I am running with .8mm instead of 1.1mm if it could actually handle the 1.1mm.  I'm going to check my coil packs when I replace the sparkies.  Thre is a slight hesitation when boost comes on so I'm thinking either sparkies or coil packs.  I don't know how old spark plugs are....

Some say that the cracks are so small you can't even see it??  I was going o do the araldite trick if I can see cracs in them like what some of you guys have done ;)

Thanks

You can gap them but be careful with the feeler guage, dont force it but it can be done.

  • 1 month later...
caminperth Grand Master

caminperth

Posted
Posted

From NGK Aust website..

R34 I assume from the year.

Your Vehicle:

1998.5 - 2001.6 NISSAN SKYLINE 2500 TURBO RB25DET

Spark Plug Part No.  

Recommended Plug PFR6G-11  

Iridium Option BKR6EIX-11  

R33, again I guess from the year..

Your Vehicle:

1993.8 - 1998.5 NISSAN SKYLINE 2500 TURBO RB25DET

Spark Plug Part No.  

Recommended Plug PFR5G-11  

Iridium Option BKR5EIX-11  

R32, same criteria..

Your Vehicle:

1991.8 - 1993.8 NISSAN SKYLINE 2000 TURBO RB20DET

Spark Plug Part No.  

Recommended Plug PFR6A-11  

Iridium Option BCPR6EIX-11  

I'm using BCPR7ES coppers at the moment, but the BCP and BKR don't get a mention? I've never heard of anyone on these forums use the type PFR before?

Zahos Mentor

Zahos

Posted
Posted

I believe PF is the platinum and obviously BCP....X is the Iridium

BCP and BKR are the copper equivalents (equivalent in dimensions and fit)

Of course they are going to try to sell you their most profitable plugs rather than the coppers.

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