C63 AMG (W204) 2008 - 2015
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Old 08-05-2015, 06:51 PM
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2009 C63
Says supercharger applications on the weistec site, will they work for tune/headers (100hp) over stock?
Old 08-05-2015, 06:58 PM
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2009 c63 AMG
Originally Posted by BerBer63
Says supercharger applications on the weistec site, will they work for tune/headers (100hp) over stock?
Yes sir , I emailed them before I ordered mine. They told me their plugs go on all their NA cars and supercharger kit cars. They come pre gapped for NA cars so it's just put them in and run them like stock. He told me they only adjust the gap when it's for a supercharger kit since there's different levels to the kits.
Old 03-12-2016, 03:44 PM
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2009 C63 AMG
Any more updates on how the car drives.
Old 03-12-2016, 03:57 PM
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C63 AMG P30 *EuroCharged*| Porsche Cayenne | Buell XB9SX
Fwiw, I emailed Weistec semi-recently and they said they don't recommend their tuner plugs for non-SC applications.
Old 03-12-2016, 05:01 PM
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Originally Posted by m a x i m u s
Fwiw, I emailed Weistec semi-recently and they said they don't recommend their tuner plugs for non-SC applications.

Car runs 100 percent, Haven't had any issues with the plugs what so ever. Car went on the dyno two months ago and put down 435rwhp 408 rwtq. And thats weird as they told you not to run them on a non sc cars since my email said you could, they just gapped them to run on a non sc car. Either being the case, the car runs smooth as can be, idle is perfect and my dyno chart didn't show any issues with the car.
Old 03-12-2016, 05:01 PM
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Originally Posted by m a x i m u s
Fwiw, I emailed Weistec semi-recently and they said they don't recommend their tuner plugs for non-SC applications.
I got the same response. So question, are they stating do not run our plugs or any step colder plugs period?
Old 03-12-2016, 05:04 PM
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Originally Posted by Kpela
Car runs 100 percent, Haven't had any issues with the plugs what so ever. Car went on the dyno two months ago and put down 435rwhp 408 rwtq. And thats weird as they told you not to run them on a non sc cars since my email said you could, they just gapped them to run on a non sc car. Either being the case, the car runs smooth as can be, idle is perfect and my dyno chart didn't show any issues with the car.
Good to hear. What gap measure was used?
Old 03-12-2016, 05:15 PM
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Originally Posted by Mag1c Carp3t
Good to hear. What gap measure was used?
Honestly I could not recall, I delete my emails at the end of every month so I don't have them to go back and look over.

If I do remember right though, I think he said that the plugs come gapped for a non sc car. Once you order your SC kit from them they gap them according to which level kit you get. Which makes sense to me, they come ready for a non SC car and then get gapped to your level SC.
Old 03-13-2016, 12:03 PM
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Check every plug gap when you get them. My last set were all over the place.
Old 03-14-2016, 06:37 AM
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Originally Posted by BLKROKT
Check every plug gap when you get them. My last set were all over the place.
Of course, my shop guy did when they came in. Never trust someone did their job right who's not infront of you
Old 04-06-2016, 08:27 AM
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Just to wrap up this thread also, here are the gaps



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