Ngk bkr7eix
15 April 2015, 08:32 PM
#1
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Ngk bkr7eix
Are these the same as the pfr7b plugs? Just ordered a set for my blob sti the bkr7"s are these a straight swap for the old or will these need to be gapped? Cheers :-)
17 April 2015, 01:26 PM
#2
The heat grade is the same.
I've used these and gapped them to 0.67mm They were fine but I found they don't last as long as the double platinum PFR plugs I found the ground electrode developed a 'crater' so effectively increasing the gap. If they were double iridium they would probably be ok.
JohnD
I've used these and gapped them to 0.67mm They were fine but I found they don't last as long as the double platinum PFR plugs I found the ground electrode developed a 'crater' so effectively increasing the gap. If they were double iridium they would probably be ok.
JohnD
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