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2001 e150, i think its time for plugs? which brand?

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Old 01-20-2018, 12:48 PM
fabchef
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2001 e150, i think its time for plugs? which brand?

hey everyone, i was thinking it might be time to change the plugs of our 2001 e150 4.6L. it has 112k miles on it and think it still has original plugs. I find at times it tends to have a shutter while driving. what do you think? i guess it cant hurt?
which brand plugs would you recommend? should i stick to motorcraft brand or any old plug will do? also, what is the recommeneded gap for the plugs? thanks
fab
 
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Old 01-20-2018, 12:51 PM
kennyfzj80
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If you get the Motorcraft brand they are pre-gapped.

I went with the Motorcraft ones.
 
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Old 01-20-2018, 01:42 PM
wirelessengineer
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Yeah, just go with the basics.

Pre-gapped or not, check them yourself. Boxes can be dropped, gaps can be changed.

Whatever you do, don't fall for the "split fire", "E3", or other gimmicks.

https://duckduckgo.com/?q=gimmick+sp...&t=ffnt&ia=web
 
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Old 01-20-2018, 02:12 PM
CWR032
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I tried the Split Fire, they did seem to improve the bottom end a little, but they were crazy expensive and didn't last 5,000 miles.

I also recommend checking the plug gap with a proper feeler gauge, not the round gapper. The last pregapped plugs I bought were off several thou. You should visually check each plug before you pay for them as I've been handed one that was dropped, the ground electrode was crushed into the center electrode and the insulation around it was cracked.
 
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Old 01-20-2018, 03:41 PM
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split fire's are snake oil, they just empty your wallet
as long as you use the proper plug, spark plugs do not affect power or milage
use the wrong plug and both can suffer

pre-gapped plugs have a coating that can come off when you use a feeler gauge
 
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Old 01-20-2018, 03:41 PM
wirelessengineer
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Originally Posted by CWR032 View Post
I tried the Split Fire, they did seem to improve the bottom end a little
"Seems to" and various dyno tests disagree. The dyno says they do nothing. There have been a number of articles in various car mags over the years where they've been tested scientifically. Nobody has found any benefit.
 
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Old 01-20-2018, 03:41 PM
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Originally Posted by wirelessengineer View Post
"Seems to" and various dyno tests disagree. The dyno says they do nothing. There have been a number of articles in various car mags over the years where they've been tested scientifically. Nobody has found any benefit.
it's called the placebo effect
my old team dynoed just about every brand of plug with the same result
all I'll add is don't buy champions
 
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Old 01-20-2018, 06:29 PM
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The gap isnít such a big deal to be accurate. My plugs had 320,000 miles on them when I removed them. The gaps were over .100 (yeah I typed that correctly )

come to to find out it had a bad coil. The plugs probably could have gone even longer.

Im not advocating for 300,000 mile change intervals. Iím just saying the gap isnít that important. Make sure it ainít touching. Eyeball it. Get her done.
 
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Old 01-21-2018, 03:01 PM
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I can't believe what I just read. Wrong on so many levels.


 
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Old 01-21-2018, 05:25 PM
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LMAO !!!
 
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Old 01-21-2018, 06:12 PM
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That's great!
 
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Old 01-21-2018, 07:16 PM
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Canít argue with the facts boys.
 
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Old 01-22-2018, 06:48 AM
wirelessengineer
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A little knowledge is a dangerous thing, and it's clear you have a little knowledge.
 
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Old 01-22-2018, 03:35 PM
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I'll add this, seems nobody else did: Be prepared to have one or more of the old plugs take out the threads in the heads when they're removed. And be prepared to helicoil those to fix them. At that age, it's bound to happen with the mod motors. If somehow none do, buy a can of thread lube to use to insure it never happens in the future.
 
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Old 01-22-2018, 04:05 PM
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Originally Posted by Im50fast View Post
Can’t argue with the facts boys.
but you have a tendency to believe in "alternate facts"

you are right about the plugs though
I can't remember his name but the guy who had a fleet of vans confirmed this
was his name Del Griffin?
 

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