rb25 spark plugs

[iilee]

will the NGK BKR7EIX iridium spark plugs fit in a rb25? i know theyre usually for the sr20.

[minivan_don]

i would just go with the copper bkr7e ... i had HUGE misfiring issues with the iridiums and ended up going back to the coppers.

[iilee]

really? do you know why cuz i dont want to keep replacing the copper one even though they have the best spark.

[Carl H]

because iridium is a crappy conductor.7s are too cold for a stock/mildy modded engine...bcpr6es-11 gapped to .8mm all day works wonders.

[iilee]

so the bcpr fits the rb25 and is it copper? and the bkr isnt for the rb25

[DriftsideRacing.com]

For sponsor information pleas contact the nico staff.post removed for unauthorized advertising.- carl

[l0nestar]

hmm $10 in plugs and adjusting gap, or $420 in coils + shipping + tax (if applicable). I'll try another set of plugs.. For that price, I will spend a few $ more and do an MSD conversion. I suppose it would work for someone who wants a drop-in replacement.. but you should buy a full set so that one coil is not out sparking the rest. (If that is even possible or noticeable - just thought of it!) Thanks.

BTW, I think the 25 S1 coils are the same as CA18DET..