Spark Gap

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Sep 12, 2004 | 03:39 PM

NaT NaTe 1 8 3

Thread Starter

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Joined: Jan 2003

Posts: 80

From: Pennsylvania

Car Info: 2007 Subaru Legacy SE

Spark Gap

I have an OBS (EJ25) and can't find what the spark gap should be. Does anyone know?

Sep 12, 2004 | 08:57 PM

Sparky280

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Joined: Aug 2004

Posts: 31

From: Olympia, WA

the gap i belive is 0.39 - 0.43 the NGK Coppers I use come gapped at 0.44 which is fine.

Sep 12, 2004 | 09:43 PM

Jotun

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Do not attempt to gap your plugs if your using platnum, or another precious metal, there is a high chance that you can rub the very thin layer of that metal off, making them worthless.

Sep 13, 2004 | 12:05 AM

Kostamojen

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Posts: 4,723

From: Roseville, CA

Car Info: 1995 Subaru Impreza 1.8 L

You dont really need the platinum/etc. plugs anyhow with the N/A motors.

Sep 13, 2004 | 02:05 PM

NaT NaTe 1 8 3

Thread Starter

Registered User

Joined: Jan 2003

Posts: 80

From: Pennsylvania

Car Info: 2007 Subaru Legacy SE

I already went with platinum, and the factory set gap was between .044 and .045. Thanks for the input.

Sep 14, 2004 | 04:51 PM

bheinz57

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Joined: Feb 2004

Posts: 90

From: Papillion, NE

Car Info: '02 OBS '03 Baja

Do not attempt to gap your plugs if your using platnum, or another precious metal, there is a high chance that you can rub the very thin layer of that metal off, making them worthless

That was a qoute from above^^ And that is also why platinum and other alleged precious metal plugs aren't worth crap. Get regular NGK's or even copper and everything will run fine. Screw Iridium and all that jazz. My opinion.....Brian