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Unread 08-14-2009   #1 (permalink)
302Feen is offline SHELBY GT 350 Member


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Default E3 Spark Plugs for 5.0

I was wondering if anyone knew much about these new E3 spark plugs...
I've heard a few good things about them such as giving you an extra 5 HP.

I've just never been a firm believer in throwing high dollar ignition parts on a stock or mostly stock 5.0.

But I just wanted to see what everyone's opinion was on these...

Also, does anyone know who makes these? Denso, NGK, Champion??
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Unread 08-14-2009   #2 (permalink)
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I was watching horsepower tv and they had them up there...heres the video...who knows if this is rigged or not...

Spark plugs for automobiles small engines and sports craft
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Unread 08-14-2009   #3 (permalink)
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i saw it on horsepower tv. the tests they did seemed like it worked pretty good but you never know.

i went out and bought one for my 4 wheeler. its expensive, like 7 or 8 bucks, but it has a lifetime warranty.

the only place that knew what e3 was was oreilly's.
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Unread 08-14-2009   #4 (permalink)
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Quote:
Originally Posted by 302Feen View Post
I've just never been a firm believer in throwing high dollar ignition parts on a stock or mostly stock 5.0.

Stay true to your beliefs......

But I just wanted to see what everyone's opinion was on these...

My opinion in one word........

Autolite
And i did stay at a Holiday Inn Express last night........
 
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Unread 08-14-2009   #5 (permalink)
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I use the E3's didnt really notice a difference except it ran a little smoother.
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Unread 08-14-2009   #6 (permalink)
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Quote:
My opinion in one word........

Autolite


Exactly..........

E3's another Split Fire plug......AKA marketing gimmick
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Unread 08-15-2009   #7 (permalink)
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E3 is an Advertiser on Horsepower TV so naturally they are going to set the test up to work to their advantage. Just stick with good old reliable Autolites and your 5.0 will be happy!
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Unread 06-12-2011   #8 (permalink)
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I just put the e3's in my Ford 302. Along with some Borg Warner plug wires. I am hoping to see some differences.
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Unread 06-12-2011   #9 (permalink)
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I'm happy with my Motorcraft Copper Spark Plugs.
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Unread 06-12-2011   #10 (permalink)
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Quote:
Originally Posted by PLAY 5.0 View Post
I'm happy with my Motorcraft Copper Spark Plugs.
That is all I run in my 5.0 and 2.3, never had any complaints.
 
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Unread 06-13-2011   #11 (permalink)
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E3s suck. I think they made my car run worse when I tested them
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Unread 06-13-2011   #12 (permalink)
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Quote:
Originally Posted by 1989notchback View Post
E3s suck. I think they made my car run worse when I tested them
no joke man, i put some in and about week after, I accidently flooded it (yes, i flooded a fuel injection lol, which ive found out isnt hard if you tps is messed up) Well that screwed them up, i let the car sit for about 30 mins and fired it about and it run like crap, it fouled out 3 of them and i didnt even wanna hassle with them so i threw in some $1.79 motorcrafts. whole lot better than that junky $6 plug
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Unread 06-13-2011   #13 (permalink)
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The multiple straps actually slow/inhibit flame propagation, which means you have to run more ignition advance... which is negative work...

If you really want the truth on this, search through the SAE archives and pay a couple bucks for the papers.
spark plug


The guy at Oriellys tried to upsell me these for my 2.3 a while back...
He couldn't convince me
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