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Old 11-15-2017, 01:42 AM   #1
MLue1
FIA World Rally Car Champion
 
Drives: 2010 Golf 2.5 CW 5sp / 2009 Tiguan
Join Date: Apr 2014
Location: ON your tail with my slow a$$ 2.5
Posts: 602
Lightbulb Cheaper Copper Spark Plugs for our 2.5

IMO Platinum and Iridium plugs aren't used to create more power but rather so manufacturers to can claim longer service intervals, similar situation to extended oil change intervals. The core of the spark plugs is copper, platinum and iridium are used on the tip of the plugs as the help to keep the spark gaps consistent for a longer time.

In our Tiguan with the 2.0T engine the core breaks down before the spark gaps, don't' t believe me check out the service interval for the spart plugs on the 2.0T engine, so I've always used the cheaper copper plugs with out issue, so why not on the 2.5


I found this great write up on Vortex, using cheaper NGK copper spark plugs (ZFR5E-11) for our 2.5 engines.

http://forums.vwvortex.com/showthrea...!-the-ZFR5E-11

If it runs better and gets better gas milage, they have my attention. Enjoy the Savings !

Last edited by MLue1; 11-28-2017 at 11:25 PM. Reason: Enjoy the Savings
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Old 11-27-2017, 07:15 PM   #2
MLue1
FIA World Rally Car Champion
 
Drives: 2010 Golf 2.5 CW 5sp / 2009 Tiguan
Join Date: Apr 2014
Location: ON your tail with my slow a$$ 2.5
Posts: 602
I thought i'd add that someone IMed me that they've installed NGK BKR7E spark plugs as well, without any issues.
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Old 11-28-2017, 12:35 AM   #3
FlowMK6
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Quote:
Originally Posted by MLue1 View Post
I thought i'd add that someone IMed me that they've installed NGK BKR7E spark plugs as well, without any issues.
I have NGK BKR7E on my car too and it run greats, someday I will have to give a try for the ZFR5E-11
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