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View Full Version : supercharged vs v6


adrenilize
22-11-2009, 10:37 AM
hi does anyone know the correct plugs for this engine it has a boost upgrade kit and di fillipo extractors the fitted plugs are ngk bpr6efs 15 these seem to foul cheers any help will be appreciated
planetdavo
22-11-2009, 11:04 AM
Stock ones use BPR6EFS-13. The 13 indicates a 1.3mm gap, whereas yours have the regular V6's 1.5mm gap. Try reducing the gap a bit.
It could also come down to the tune that goes with your boost upgrade. Are they fouling from oil, or from fuel?
KAL SPL
22-11-2009, 11:28 AM
Mine are down to 1mm or .9mm gap I think , there NGK Iridium TR7IX or something.

www.l67torque.com if want more advice :)