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Old 10-02-2012, 10:25 PM   #11
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A block heater!
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Old 10-02-2012, 11:50 PM   #12
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Removing the intake silencer

Resonator delete
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Old 10-03-2012, 11:09 AM   #13
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Originally Posted by mac.mogul View Post
Gas mileage went up and the butt dyno says there's more power up top.
hmm, where'd you find them? and did you do them yourself?
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Old 10-03-2012, 11:16 AM   #14
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hmm, where'd you find them? and did you do them yourself?
Orielly's had them.

They are very easy to do... have you ever changed spark plugs before?
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Old 10-03-2012, 11:17 AM   #15
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Orielly's had them.

They are very easy to do... have you ever changed spark plugs before?
i have in this auto engines class i took i school, but i did it with an old zetec. i'm sure its the same procedure? but with things looking different under there i could be wrong.
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Old 10-03-2012, 11:41 AM   #16
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same concept except you have to unbolt the coil from each cylinder instead of just pulling boots.
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Old 10-03-2012, 11:42 AM   #17
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Nah its super easy. The Zetec I'm sure just had plugs on wires that went to a coil, but the duratec has the coil pack right on the plug. Its not a true coil-on-plug system but it is the next best thing.

You'll need a 10mm socket to take off the coils and I think its a 16mm deep socket to remove the spark plugs.

Make sure the plugs are gapped correctly (0.50-0.55), work when the engine is cold and do not over-torque the spark plugs when you put in the new ones. I'm sure you know to use white lithium grease on the boots and anti-seize on the threads.
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Old 10-03-2012, 11:45 AM   #18
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lol i honestly didn't go that deep into the class. it was a real joke trying to figure things out. i'm more of a visual learner but i don't think you would want to go out and take pictures of how to do it. but i'll see what i can do. appreciate it.

its the autolite copper core correct?
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Old 10-03-2012, 11:49 AM   #19
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You can get copper, it's up to you. Copper has the shortest life but gives the best spark.

And honestly, its exactly like I described. The coils are right on top. You take out the 10mm bolts, pop off the coil, and there's your spark plug down inside. Super simple.

Changing these spark plugs could take a person less than 10 minutes if they were in a hurry. I'm really pleased with the layout of the duratec because changing plugs on my Mustang was a nightmare that always ended in blood and swearing.
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Old 10-03-2012, 11:51 AM   #20
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i only ask cause it just says "copper core" on the site. but you called it something else lol. if it's proved on a focus and it gives more performance i want the same haha

and alright i'll give it a try, just need a spark plug gapper and a torque wrench...and an extension?
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