General > Product Reviews
NGK Iridiums BKR8EIX ***12k mile update on page 13***
Tfsi_Mike:
--- Quote from: muckipup on December 20, 2011, 10:34:22 am ---
Quick question or two - I know that these plugs are sometimes sold as single units (as they appear to be on the ebay link) as they are used in motorbikes. However, I think the bike plugs come with a different gap setting. Is it the same for these or are they preset to 0.8mm like the 4-pack?
Also, there was a post or two about some folks reducing the gap from 0.8 to 0.67mm or something like that on tuned cars. Is there anything behind reducing the gap (as there is a big danger of damaging the delicate tips on these plugs?
--- Quote from: Tfsi_Mike on December 18, 2011, 10:50:48 am ---
The pad damper I'm talkin about ^^
--- End quote ---
I managed to source 4 of these for my NQSBBK as I was unlucky enough to get a bit of low speed squeel although it may have been a combination of discs, pads and not being broken in enough. These things fixed it no problem anyway. As a bit of advice, if you are going without the anti-squeel shims, use a non-petroleum based grease on the back of the pads like CeraTec. Copper grease rots the bejeeziz out of the rubber dust seals. :happy2:
--- End quote ---
It was RON ECHT who suggested that gap on the other NGK iridium thread. I bought a feeler gauge but didnt want to damage the plug.
Tfsi_Mike:
--- Quote from: SteveP on December 20, 2011, 10:43:52 am ---Can you take the brake talk to another thread please, I will clean this up a bit later.
--- End quote ---
Deleted my brake posts. Sorry about that.
alackofspeed:
--- Quote from: alackofspeed on December 19, 2011, 10:29:27 pm ---I found this thread after a bit of searching having noted my car was missing occasionally at idle after a long run at medium to high loads (extended motorway run, with some B-road overtaking for instance). I have the latest revision PCV flying-saucer-esk jobba fitted.
Mine's a stg-1 K03, so I'll report any improvement to add to the thread's statistics. For reference the plugs I removed are 15k old PFR7S8EG and they look in text-book condition. Whatever the outcome 4 iridium plugs for just over £20 makes them pretty much disposable, so cheers to the OP for the tip-off.
--- End quote ---
Notes since fitting:-
Idle better.
Fuel consumption unchanged - currently getting between 35-37mpg on the run to work, and saw 37.5 mpg on a 45 mile motorway drive earlier in the week, which is par for the course.
Engine seems to sound crisper, but this may be placebo.
alexperkins:
Ive noticed the same so it would imply these plugs really do make a big difference.
However my MPG has improved by around 2-3mpg
sub39h:
--- Quote from: alexperkins on December 22, 2011, 11:53:32 pm ---Ive noticed the same so it would imply these plugs really do make a big difference.
However my MPG has improved by around 2-3mpg
--- End quote ---
My mpg improvement has been more to the order of 4-5mpg
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