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Discussion Starter · #1 ·
Hey i just want a little help here, i would like to know which kind of Spark plugs does the B5 AEB engine comes with? how cold they are ? , Which are 1 or 2 points colder? and which would i need to put with my new GTRS turbo ?, which one is the coldest spark plug that you can buy for my B5 thanks
 

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Discussion Starter · #3 ·
thanks for the post but i want to know more like how cold is that Bosch Spark Plug is it 2 or 1 point colder than stock and could i use it with my New Gtrs Kit with no problem or i would need coldest ones ???
 

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The F6DTC is one step colder, the F5DTC/FR5DTC is two steps colder... and so on and so forth... each number represents a different heat range... I've recently switched to the F6DTC in my K04 equipped car, and could not be happier.. although with a big turbo setup as you have planned, the F5DTC may be a better choice...
 
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