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Haniyaco79
05-17-2017, 07:47 AM
Hey guys, I have been doing a lot of reading and I see most people are recommending NGK coppers for tuned 1.8t. I can't find consistent information on the correct part number to purchase. The car is a 01 A4 1.8t stock turbo, APR stage 2. ECS Red coil converted. Any recommendations would be appreciated [emoji106]


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Haniyaco79
05-17-2017, 09:41 AM
Sorry typo lol Copper plugs


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MetalMan
05-17-2017, 10:30 AM
NGK BKR7E.
For example:
http://www.autohausaz.com/pn/BKR7E
https://www.ecstuning.com/b-ngk-parts/copper-spark-plugs-set-of-four/bkr7ekt1/

Haniyaco79
05-17-2017, 11:00 AM
This is perfect. Thanks!


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Corrado_Guy
05-20-2017, 05:40 PM
Your searching skills are weak, this is the second post that comes up when you search for "spark plugs tuned 1.8t." http://www.audizine.com/forum/showthread.php/506371-Best-Spark-Plug-Explaination-for-1-8t-2-7T-Incl-Heat-Range-Info You really have to test them out and you can even use ME7 Logger to grab some numbers and see how things are working out. I run the BKR7E at 0.028" and it works great. I have the R8 coils and apparently some people run gaps up to 0.040 but when I try I start to pull timing and get a lot of knock so I keep it around 0.028". I live at sea level and use 94 Octane Chevron fuel in Canada which has no Ethanol in it and these things make a difference on what you want to run and how you tune it. My buddy has a 1.8T Mk4 and learned how to tune ME7 and with the conditions here he runs it at 20 PSI with stock intake, 3" exhaust, and a front mount and it does well enough. In its stock form the 1.8T doesn't really feel like a turbo car but it seems to work well enough and there is a lot to gain with minor tweaks on that turbo. You will easily run out of injectors so hopefully you are running TT225 or better injectors so you don't lean it out.

I would use the BKR7E plugs and start with a small gap closer to 0.028" to start with and go from there.

Haniyaco79
05-21-2017, 08:57 AM
Thanks for the information. First turbo car and also first Audi. I installed a set of BKR7E gapped to 0.028. Car seems to be running pretty good. Had to replace the coil plug connectors as 3 fell apart. Pulls smooth through the powerband. Sorry for the newbie questions, just needed reassurance [emoji106]


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