W211 AMG Discuss the W211 AMG's such as the E55 and the E63
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Spark plug gap

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Old 06-11-2008, 02:57 PM
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"G"
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2005 e55 amg
Spark plug gap

What is the recommended gap for our v8? Is it in the owners manual?

Also this motor takes 16 sparkplugs?
Old 06-11-2008, 03:22 PM
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W211 E55
Originally Posted by "G"
What is the recommended gap for our v8? Is it in the owners manual?

Also this motor takes 16 sparkplugs?
IIRC, its .031", but please check.
Old 06-11-2008, 03:39 PM
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2005 e55 amg
Check where?
Old 06-11-2008, 07:36 PM
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W211 E55
BOSCH WEBSITE

Bosch lists it at 0.032", sorry.
Old 06-11-2008, 08:37 PM
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2005 e55 amg
Dammit the denso iridiums i want to install are .0444"

Should be ok right?

http://www.densoiridium.com/originofiridium.php
Old 06-11-2008, 11:18 PM
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W211 E55
I've seen as big a gap as 0.039 listed for the NGK app, but larger isn't necessarily good for boost.
Old 06-12-2008, 01:56 PM
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Real Cars
Originally Posted by ChicagoX
I've seen as big a gap as 0.039 listed for the NGK app, but larger isn't necessarily good for boost.
With Wayne on this one... big gap has it's use, but you don't want to get blowout/misfiring on this car... better to stay closer to factory spec.

-m
Old 07-04-2008, 03:55 PM
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2004 E55
What kind of plugs come on the car from the factory, and when is it recommended to replace them?

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