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Sep 30, 2005 | 03:16 AM

oldgoat49

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Joined: Nov 2003

Posts: 963

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From: wichita kansas

spark plugs

I have a 99 B3000 flex fuel and plan on changing the spark plugs soon. Have heard some good things about NGK plugs, but was wondering what seems to work the best.

Sep 30, 2005 | 03:23 AM

ford390gashog

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Joined: Jan 2004

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From: Brentwood,CA

the stock motorcraft plugs or the autolite regulars. don't use the multi electrode or the platinum plugs both big wastes of money and no performance gain.

Sep 30, 2005 | 06:05 PM

frdrngrlvr

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Joined: Sep 2005

Posts: 576

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From: crete, illinois

motorcraft

i used autolite and they were crap. i used them for maybe 500mi. and replaced them with motorcraft. cheeper is not better!

Sep 30, 2005 | 07:57 PM

Ken00

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Joined: Dec 2001

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From: South Jersey

Use the stock Motorcraft double platinim plugs.

Sep 30, 2005 | 08:39 PM

frdrngrlvr

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Joined: Sep 2005

Posts: 576

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From: crete, illinois

trust

listen to ken00, your truck will thank you.

Oct 1, 2005 | 12:42 PM

oldgoat49

Thread Starter

Elder User

Joined: Nov 2003

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From: wichita kansas

Thanks for the replies. From what I have read it seems with this ignition system the double plats are generally better in the long run. Never have used Motorcraft or for that matter platinum plugs, but I guess it is worth a try this time since it has been nice to me so far.

Oct 1, 2005 | 01:03 PM

Bob Ayers

Postmaster

Joined: Jan 2003

Posts: 4,417

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From: Durham, NC

I agree with Ken, stay with the Motorcraft platinums.....

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Oct 1, 2005 | 03:36 PM

Rockledge

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Joined: Jan 2003

Posts: 9,748

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From: Connecticut

You may not be able to find the Motorcraft DP's anymore, they are being superceded by the newer fine-wire "FM series" plugs as the recommended OEM replacements in Fords with DIS/EDIS ignitions.