Spark plugs
Thread Starter
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Senior User
Joined: Dec 2009
Posts: 281
Likes: 0
From: Alberta, Canada
Spark plugs
I Have a complete miss on one cylinder and the plug is washed.
I am looking at getting a set of E3 dimondfires.
just cannot find the part number. does anyone know it?
Also on summit the 390 and 351w show to be the same plugs.
Are they the same?
If so i will order a 351 set so i dont confuse my parts supplier.
I am looking at getting a set of E3 dimondfires.
just cannot find the part number. does anyone know it?
Also on summit the 390 and 351w show to be the same plugs.
Are they the same?
If so i will order a 351 set so i dont confuse my parts supplier.
Post Fiend
Joined: Mar 2004
Posts: 6,056
Likes: 8
From: Union, Washington
I Have a complete miss on one cylinder and the plug is washed.
I am looking at getting a set of E3 dimondfires.
just cannot find the part number. does anyone know it?
Also on summit the 390 and 351w show to be the same plugs.
Are they the same?
If so i will order a 351 set so i dont confuse my parts supplier.
I am looking at getting a set of E3 dimondfires.
just cannot find the part number. does anyone know it?
Also on summit the 390 and 351w show to be the same plugs.
Are they the same?
If so i will order a 351 set so i dont confuse my parts supplier.
Postmaster
Joined: Jan 2009
Posts: 4,584
Likes: 3
From: Chesapeake, Va.
I suggest that before you buy anything, do a compression test. I would suspect it ain't the plug but a dead cylinder. Oh and all those expensive plugs do is suck your wallet dry unless the ignition system was designed for them, so forget the hype and put what the factory recommends in it.
Stick with Autolite or Motorcraft plugs they are designed/engineered for Ford engines. Do the compression and/or a leakdown test before you go further.
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