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Old 05-10-2007, 09:12 PM
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Default What plugs should I use 525EFI
Have a 2003 525 what plugs should I use.
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Old 05-11-2007, 10:14 AM
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I'd pull one of the old ones out, head out to NAPA and get 8 more, or 16 if you have twins. Think its a no brainer.
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Old 05-11-2007, 12:25 PM
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NGK BPR6ES

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Old 05-11-2007, 03:26 PM
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Originally Posted by Pwrbt33
NGK BPR6ES

John
What about the mr43t?

I would think a 6 would on the hot side for a 525?
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Old 05-11-2007, 04:16 PM
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Delco

MR43T
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Old 05-11-2007, 07:57 PM
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Hey Strip,
That part number is right from my Mercury parts guide.

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Old 05-11-2007, 10:56 PM
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Originally Posted by Pwrbt33
Hey Strip,
That part number is right from my Mercury parts guide.

John
I bet its a not projected tip?
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Old 05-12-2007, 11:19 AM
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I pulled a plug, it has the NGK BPR6ES Thanks for the all info.
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