I have got ngk iridium bkr6e1x's on my car has anyone else got these on their cars and do you have any problems?

 

you should really be using NGK PFR6B gapped to 0.7mm.

The coilpacks tend to fail on your year of car.. anything like 4years or 80k..
this will give a misfire or hessitation on full throttle etc..
so it is possible changing the plugs has disturbed a failing coilpack and the plugs are fine.. I have not used the plugs you mention myself, but know the PFR6B are very good.
The coilpacks sometimes crack on the ends or break down inside.. if you do replace them you need to do all four at the same time.

Simon

 

sorry for the thread hi-jack, i throught it was 0.6 spacing on these plugs.
i've always done this since told

i've just got a new set of PFR7B ngk plugs

so is it 0.7 or 0.6?

 

hi m8 i use ngk pfr6b platinum and are gapped to 0.7mm
any1 know what the difference is on these plugs ? apart from letter !
NGK PFR6B
NGK PFR6G

 

on a phase 1 car it is advisable to go 0.6mm due to the coilpack problems..
the offical gap is 0.7mm though

 

thats ok then. i know it can be less stress with a closer gap
nice one

 

The plugs i mentioned are supposed to be gapped out of the box to 0.4 mm and they were the ones the garage fitted at the last service i had.
Are these ngk pfr6b's gapped to 0.7 mm out of the box as standard or do you have to re gap them to 0.7 mm?

 

i always regap them.

very easy to do to

 

regap.. usually about 1mm out of the box iirc..

Simon