General > Product Reviews
NGK Iridiums BKR8EIX ***12k mile update on page 13***
sub39h:
Stage 2+ would benefit from 8s
micky 32:
--- Quote from: Saintsteve on April 23, 2012, 08:39:17 am ---
--- Quote from: richwig83 on April 23, 2012, 08:10:34 am ---But how do you know that a set of fresh OEM plugs would have 'felt' better?
Back to back dyno testing anyone?
--- End quote ---
I'm no longer getting vcds errors, of lean running since installing 8's. Also the car starts from cold with a flick , rather then not wanting to start very well from cold. some people have said about improved mpg, but that I haven't noticed any difference .
--- End quote ---
I have a nicely tuned KO4 and now running OEM plugs and i don't have any of the above symptoms. I was running Iridium 7's but got hold of OEM ones and my car runs just as good.. Personally i think OEM vs 7 vs 8 is not going to make much difference that it's worth the hassle.. This is my experience driving mine for 120k
I have found though in my experience the 2.0T is fussy about plugs. Put in Bosch super's once and they didn't last 5k
You can't go wrong with OEM's anyway.
I always know when mine needs new plugs. Under WOT i get missfires and clouds of black smoke out the exhaust lol
56OctyVRS:
I was reading from the NGK website about heat gradings. They say that for every 75 - 100 bhp increase you should go a step colder. That being said the old standard heat range was six for a 2.0 tfsi. Based on that the 7s would be good for upto 300bhp and anything over 300bhp the 8s. I have 8s and have about circa 260 to 270bhp. I do lots of short runs now I have moved so i am thinking of switching back to the 7s. As the plugs will never reach the 450c temp it needs to burn of the carbon and I very rarely do long high speed runs and no track driving. I have copied a link to the article I was reading.
http://www.ngksparkplugs.com/techinfo/spark_plugs/installation.asp
sub39h:
--- Quote from: 56OctyVRS on July 03, 2012, 01:55:45 pm ---I was reading from the NGK website about heat gradings. They say that for every 75 - 100 bhp increase you should go a step colder. That being said the old standard heat range was six for a 2.0 tfsi. Based on that the 7s would be good for upto 300bhp and anything over 300bhp the 8s. I have 8s and have about circa 260 to 270bhp. I do lots of short runs now I have moved so i am thinking of switching back to the 7s. As the plugs will never reach the 450c temp it needs to burn of the carbon and I very rarely do long high speed runs and no track driving. I have copied a link to the article I was reading.
http://www.ngksparkplugs.com/techinfo/spark_plugs/installation.asp
--- End quote ---
added to the original review. thanks.
Saintsteve:
I fitted the 8's to my ed30 at stage 2, and I've since changed back to the Bosch OEM 7's and she runnings much stronger at top end, maybe a new dodgy plug but the car never seemed happy with them fitted. Perhaps stage 2+is better suited then at stage 2 perhaps.. :confused:
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