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Spark plugs for a 454 MAG MPI

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Old 03-25-2010 | 06:14 PM
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Default Spark plugs for a 454 MAG MPI

What plugs should I be using in a stock 454 MAG MPI. Any help would be appreciated.
Thanks
P.D.
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Old 03-25-2010 | 06:55 PM
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From: Between A Womans Leggs in IL
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Originally Posted by Hemi Truck
What plugs should I be using in a stock 454 MAG MPI. Any help would be appreciated.
Thanks
P.D.
i usually use mr43t..
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Old 03-26-2010 | 12:41 AM
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Standard: AC MR43T or NGK BR6FS

Projected Nose: AC MR43TS or NGK BPR6FS

Gap = .035-.040"

I use NGK BPR6FS in my 502 MPI. The standard plugs work fine but
I get a little cleaner burn with the projected nose plugs.
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Old 03-26-2010 | 01:49 AM
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NOT! looking to hijack, but, curious?

Same plugs would work in a 96 454EFI? calls for MR 43T's as "stock" as well. Also, whats the K&N number for the oil filter?

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Michael
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Old 03-26-2010 | 11:58 AM
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Originally Posted by n20michael
NOT! looking to hijack, but, curious?

Same plugs would work in a 96 454EFI? calls for MR 43T's as "stock" as well. Also, whats the K&N number for the oil filter?

Thanks!
Michael
Same plugs. Don't know the K&N filter number. Just cross ref it with a Mobil1 M1-302.
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Old 03-26-2010 | 06:00 PM
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NGK YR5 vpower v grove center electrode better idle and more resistant to fouling
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Old 06-08-2011 | 11:26 PM
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Whats the difference between the NGK YR5's and the NGK BPR6FS'???

Are they interchangeable?

Michael
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