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  #31  
Old 09-12-2009, 04:53 PM
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Kohler use's Champions in there engines. I have an industrial Kohler in in my Carpet cleaning maching. The original Champion wore out at 1500 hours I replaced it with an NGK the machine now has 4500 hours on it with those NGK's. Lasted twice as long.

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  #32  
Old 09-14-2009, 10:32 PM
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I have an 04 SCrew. What is the part # on the Motorcraft plugs? Advance Auto Parts has them as SP421 and Summit has them as SP471.

Also the part # for the 05 is coming up as ACF-SP507 from Summit.

Last edited by wv99xj; 09-14-2009 at 10:34 PM.
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  #33  
Old 09-14-2009, 11:40 PM
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Quote:
Originally Posted by wv99xj View Post
I have an 04 SCrew. What is the part # on the Motorcraft plugs? Advance Auto Parts has them as SP421 and Summit has them as SP471.

Also the part # for the 05 is coming up as ACF-SP507 from Summit.
whats the engine vin?
edit: rockauto.com shows the sp421 for the 5.4
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  #34  
Old 09-18-2009, 07:40 AM
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Got the sp421's today. Now I just have to change them.
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  #35  
Old 09-18-2009, 09:43 PM
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when i did my spark plugs at 50k, they fought hard all the way out... ireplaced them following the tsb to the letter and not a problem.. i used autolite ht-1... the motorcrafts are made by autolite
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  #36  
Old 09-18-2009, 10:26 PM
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Quote:
Originally Posted by mengela View Post
when i did my spark plugs at 50k, they fought hard all the way out... ireplaced them following the tsb to the letter and not a problem.. i used autolite ht-1... the motorcrafts are made by autolite
yes but the motorcrafts are built to ford specs where the autolites are not.
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  #37  
Old 09-18-2009, 10:55 PM
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Quote:
Originally Posted by mengela View Post
when i did my spark plugs at 50k, they fought hard all the way out... ireplaced them following the tsb to the letter and not a problem.. i used autolite ht-1... the motorcrafts are made by autolite
Well, sort of.

Major difference between the two. Motorcraft is the spec plug. Autolite is more-less the knockoff plugs for Ford vehicles as far as Platinum designs are concerned. I've heard you can run Autolite Coppers in the modulars, but with the platinum's, it's a roll of the dice. Sometimes they work for awhile, sometimes they don't work at all.
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  #38  
Old 09-19-2009, 01:19 PM
glc glc is offline
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The 2 piece 3V Autolite plugs are fine. Those are essentially the same plugs as Motorcraft. It's the 2V plugs that are off spec.

Quote:
the motorcrafts are made by autolite
Negative. To be technical, they are both made by Honeywell Consumer Products Group, who also makes Fram and Prestone products - and Bendix brakes.
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  #39  
Old 09-19-2009, 02:45 PM
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I think Ford owns Motorcraft AGAIN. - Something went on , but I can't find info either way. Not yet. Can u lol.

And yea, - it's Champion that didn't make the cut for the 3 valve.

Last edited by jbrew; 09-19-2009 at 03:25 PM.
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  #40  
Old 09-19-2009, 03:25 PM
glc glc is offline
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Seems to me Ford has always owned Motorcraft, but Ford doesn't make parts like that - plugs by Honeywell, filters by Purolator, etc.
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  #41  
Old 09-19-2009, 04:16 PM
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Originally Posted by glc View Post
Seems to me Ford has always owned Motorcraft, but Ford doesn't make parts like that - plugs by Honeywell, filters by Purolator, etc.

They owned Autolite as well up until 1972 I think it was, some legal crap went down then to. Right now Honeywell isn't claiming ownership of Motorcaft.

This whole deal has me confused, -it's to new to be on the net yet.

Last edited by jbrew; 09-19-2009 at 04:20 PM.
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  #42  
Old 09-19-2009, 09:25 PM
glc glc is offline
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Right. Motorcraft contracts out to Honeywell for plug manufacturing, just like they contract out to Purolator for filter manufacturing.
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  #43  
Old 09-20-2009, 03:30 AM
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Quote:
Originally Posted by jbrew View Post
They owned Autolite as well up until 1972 I think it was, some legal crap went down then to. Right now Honeywell isn't claiming ownership of Motorcaft.

This whole deal has me confused, -it's to new to be on the net yet.
I think glc is right Brew, I don't think Ford has ever surrendered Motorcraft. Probably contract for a lot of the Motorcraft stuff to be built by someone else to their specs. That's definitely the way it is with most companies.
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  #44  
Old 09-20-2009, 09:58 AM
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Quote:
Originally Posted by code58 View Post
I think glc is right Brew, I don't think Ford has ever surrendered Motorcraft. Probably contract for a lot of the Motorcraft stuff to be built by someone else to their specs. That's definitely the way it is with most companies.
That's Right , I think your both right. That's pretty much what Wiki says as well -

Quote:

"Many times, Ford will approach a contract manufacturer of a particular product (many times a supplier to the company already) and work with them to create a version for sale under the Motorcraft name. These products must meet quality standards set by the Ford Motor Company in order to be considered for retail sale."

When you compare Motorcraft to Autolite plugs, their alike in comparison(on the outside ONLY), so it's pretty much a no brainer. I guess I'll stick with that, -just can't find the data to confirm.
Sort of like their coils, with the exception that they come from some big import /export company over seas. Others caught onto that , companies that benefit from volume and in-turn, us, the consumer,- benefit from cut retail. - That's just the half of it lol.

Last edited by jbrew; 09-20-2009 at 10:03 AM.
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  #45  
Old 09-20-2009, 02:19 PM
glc glc is offline
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I think the reason the Autolites are working well in the 3V's is this - it's a very unique plug, and why would Honeywell manufacture them any differently for Autolite than Motorcraft? The 2V and V-6 plugs have a lot wider application spectrum.
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