color of plugs

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Jul 31, 2002 | 06:26 AM

Canuk_SiR

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Joined: May 2001

Posts: 444

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From: Hamilton, Ontario, Canada

color of plugs

What do brown spark plugs mean? Is rich black or brown?

Jul 31, 2002 | 06:57 AM

ekb18c

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Joined: Nov 2001

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From: nj

Re: color of plugs (Canuk_SiR)

rich is black all around, including the tip of the spark plug. Brown is pretty normal.

Jul 31, 2002 | 07:14 AM

PM-Performance

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Joined: Sep 2001

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From: Reading, PA, usa

Re: color of plugs (ekb18c)

brown sounds about just right. you want like a tannish lighht brown .

Jul 31, 2002 | 07:35 AM

RGAZ

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Joined: Sep 2001

Posts: 797

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From: Bradenton, FL, US of A

Re: color of plugs (Canuk_SiR)

Tannish light brown is perfect. The plug can get reddish if you use octane booster in the tank.

An ashy grey (gray) tan is a prefect running plug.

Randy

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