whats the best

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May 14, 2010 | 02:48 PM

Charlie_brown

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Joined: Jan 2009

Posts: 171

From: North FL

whats the best

Whats the best spark plug for a performance application and why?

May 14, 2010 | 06:37 PM

J-(Chicago)

Seasoned beater pilot.

Joined: Jan 2007

Posts: 5,468

From: Chicago

I still use the stock delco r45S. They work fine for me.

Jul 16, 2010 | 02:33 AM

dr425x

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Posts: 16

ngk

Jul 16, 2010 | 04:11 AM

Blk71SX

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Joined: Nov 2009

Posts: 411

From: NW Arkansas

depends on who you ask, just like filters, oil, and tires.

I keep my GM cars all GM when it comes to plugs.

Don't be pulled into the gimmick plugs and their claims

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