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#3451254 - 08/10/14 08:50 AM Re: Autolite Spark Plugs- Any Good ? Made By Fram? [Re: MONKEYMAN]
Kira Offline


Registered: 08/19/10
Posts: 1134
Loc: Champlain/Hudson Valley
I offer my unscientific, anecdotal, dated, narrow and likely worthless input.

I changed plugs religiously in a 1970 Ford 400-2V (in a Mercury Monterey) throughout its life and the Autolites were always the cleanest.
I attributed this to the black finished metal rather than the chrome finish of Champions and others. I foolishly concluded the black finish conducted electricity better.

I've been driving cars which specify one plug only for so long now, I can't even think about what's it like to think about plugs anymore (Ha-Ha).

The non-turbo B5254S Volvo engine calls for Volvo's 3 prong plug and the Saabs in the family all had a designated plug.

I'd bet Sis' 2012 Skyaktiv 2.0L (1998cc.) and Bro's 2007 Honda 3.5L have designated plugs too.

My Bro-in-law's diesel has real inexpensive plugs. (Ha-Ha II) Kira

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#3451275 - 08/10/14 09:22 AM Re: Autolite Spark Plugs- Any Good ? Made By Fram? [Re: Bluestream]
jorton Online   content


Registered: 07/04/03
Posts: 2773
Loc: San Antonio, TX
Originally Posted By: Bluestream


AC Delco plugs are made by NGK


Motorcraft replacement plug for my 2005 Ford looks like the NGK Laser Irdium, not Autolite XP. Presently running Autolite AP104 platinum. Previously, AC Delco Rapidfire provided better acceleration but my mechanic thinks the AC's ruined the old coil boots.
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#3451295 - 08/10/14 09:46 AM Re: Autolite Spark Plugs- Any Good ? Made By Fram? [Re: crazyoildude]
Jimmy9190 Offline


Registered: 02/17/07
Posts: 3059
Loc: Clermont, Florida
I use Autolite 3923 copper core plugs in my Dakota. A lot of other Dakota owners use 3923's too. They work great and are easily bought at Walmart. The 3923's I use are made in Mexico but I have never had a problem with them and have not heard of anyone else having problems with them either.
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2001 Dodge Dakota, 3.9 V6, 5-speed manual, 173K
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#3451961 - 08/10/14 09:31 PM Re: Autolite Spark Plugs- Any Good ? Made By Fram? [Re: crazyoildude]
buck91 Offline


Registered: 04/17/12
Posts: 615
Loc: West Michigan
Another autolite fan here. Using them in our Olds Aurora as well as the truck. Bike might have NGK or Autolite I just don't remember.
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#3452463 - 08/11/14 02:31 PM Re: Autolite Spark Plugs- Any Good ? Made By Fram? [Re: Kira]
Volvohead Offline


Registered: 05/25/05
Posts: 3550
Loc: SE Pa
Originally Posted By: Kira
The non-turbo B5254S Volvo engine calls for Volvo's 3 prong plug and the Saabs in the family all had a designated plug . . .


Some engines simply will not run well other than on the OEM plug, and that Volvo is absolutely one of them. Europeans are particularly picky about deviations from OEM for some reason. A blanket love for Densos and NGKs must be tempered with these.

FWIW, Autolites were our go-to plug for most Ford engines from the early '60s into the late '80s, and for ALL the V-8s.

Once cars started specifying platinum plugs, substitutions started getting more complicated.

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#3452471 - 08/11/14 02:39 PM Re: Autolite Spark Plugs- Any Good ? Made By Fram? [Re: crazyoildude]
jrustles Offline


Registered: 02/24/13
Posts: 2035
Loc: Ontario, Canada
Pulled the factory autolites out of a 2010 Ford 4.0L SOHC, 120Kish KMs, and those suckers put up full resistance to the very last thread.

Each one was dry and corroded. I'm used to cracking the seal and fingering them out, not wratcheting them hard to the bitter end.

Each plug was corroded and rusty on the threads.

Conclusion: garbage alloy, reactive finish. Yes, made by Fram, and yes replaced with another set of Mexican Autoliltes unfortunately.
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#3452756 - 08/11/14 07:23 PM Re: Autolite Spark Plugs- Any Good ? Made By Fram? [Re: crazyoildude]
OVERKILL Offline


Registered: 04/28/08
Posts: 26717
Loc: Ontario, Canada
Autolites aren't factory, Motorcraft plugs are, FWIW.
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#3452953 - 08/11/14 10:14 PM Re: Autolite Spark Plugs- Any Good ? Made By Fram? [Re: crazyoildude]
Blkstanger Offline


Registered: 08/13/11
Posts: 678
Loc: San Diego CA
Been running autolites in my Fords and Harleys for many years now. Never had a problem and I will continue to use them.
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#3452978 - 08/11/14 10:58 PM Re: Autolite Spark Plugs- Any Good ? Made By Fram? [Re: OVERKILL]
jrustles Offline


Registered: 02/24/13
Posts: 2035
Loc: Ontario, Canada
Originally Posted By: OVERKILL
Autolites aren't factory, Motorcraft plugs are, FWIW.


Who makes the Motorcraft OEM? Talking about the ones with the blue stripes on the insulator?
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"No matter how paranoid or conspiracy-minded you are, what the government is actually doing is worse than you imagine" W.Blum

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#3453027 - 08/12/14 12:42 AM Re: Autolite Spark Plugs- Any Good ? Made By Fram? [Re: jrustles]
OVERKILL Offline


Registered: 04/28/08
Posts: 26717
Loc: Ontario, Canada
Originally Posted By: jrustles
Originally Posted By: OVERKILL
Autolites aren't factory, Motorcraft plugs are, FWIW.


Who makes the Motorcraft OEM? Talking about the ones with the blue stripes on the insulator?


I think it varies by plug model, I am sure many (most?) of them are made by Rank (Autolite), but they would be made to Ford's spec's.

These ones are obviously made by Autolite/Rank/FRAM:


But you will note the threads are a different colour, as is the nipple on the top, which has a different coating on it.
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#3453135 - 08/12/14 07:31 AM Re: Autolite Spark Plugs- Any Good ? Made By Fram? [Re: OVERKILL]
Bluestream Offline


Registered: 09/13/03
Posts: 4055
Loc: Waterloo, ON
Originally Posted By: OVERKILL
But you will note the threads are a different colour, as is the nipple on the top, which has a different coating on it.


Well you have to make it a little different if you're going to charge twice the price...
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#3453157 - 08/12/14 07:50 AM Re: Autolite Spark Plugs- Any Good ? Made By Fram? [Re: Bluestream]
OVERKILL Offline


Registered: 04/28/08
Posts: 26717
Loc: Ontario, Canada
Originally Posted By: Bluestream
Originally Posted By: OVERKILL
But you will note the threads are a different colour, as is the nipple on the top, which has a different coating on it.


Well you have to make it a little different if you're going to charge twice the price...


LOL! Well, they aren't at our local dealer (about the same price actually) but I'm sure that's the case as it is with many other parts at dealers 'round the globe.
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#3453203 - 08/12/14 08:33 AM Re: Autolite Spark Plugs- Any Good ? Made By Fram? [Re: OVERKILL]
chrisri Offline


Registered: 06/01/14
Posts: 377
Loc: Fiume,Croatia,EU
Does anyone remembers Golden Lodge anymore? Best plugs for some Euro cars back in a day.
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#3453287 - 08/12/14 09:56 AM Re: Autolite Spark Plugs- Any Good ? Made By Fram? [Re: crazyoildude]
GMBoy Offline


Registered: 11/22/04
Posts: 6664
Loc: Texas
I am also an Autolite plug fan. I cannot count how many tune ups I've done with the single, double and XP line of plugs and never any complaints and I use them in my personal vehicles too. Always a rebate too.

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#3453469 - 08/12/14 12:41 PM Re: Autolite Spark Plugs- Any Good ? Made By Fram? [Re: OVERKILL]
jrustles Offline


Registered: 02/24/13
Posts: 2035
Loc: Ontario, Canada
Originally Posted By: OVERKILL
Originally Posted By: jrustles
Originally Posted By: OVERKILL
Autolites aren't factory, Motorcraft plugs are, FWIW.


Who makes the Motorcraft OEM? Talking about the ones with the blue stripes on the insulator?


I think it varies by plug model, I am sure many (most?) of them are made by Rank (Autolite), but they would be made to Ford's spec's.

These ones are obviously made by Autolite/Rank/FRAM:


But you will note the threads are a different colour, as is the nipple on the top, which has a different coating on it.


Thanks. Figured they were made by FRAM, and true the OEMs did lack the black coating of the Aftermarket Autolites, presumably hastening the corrosion. Just too bad that engine didn't get shipped with a set of FoMoCo branded NGKs like the Duratecs
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