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Spark Plugs

Old 12-13-2006, 06:33 PM
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Default Spark Plugs

Steve-0 suggested that you change out your spark plugs every 70,000 miles. Boy was he right! Put 4 prong Bosch Platinum plugs in the '03 Civic. The old ones proved his theory. How often do you change your spark plugs? Suggestions are welcomed!
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Old 12-13-2006, 07:37 PM
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Default Re: Spark Plugs

I haven't changed mine on my F-150 yet and I just rolled 70k miles on the way home tonight.

My 94 Bronco I would change every 10k or so miles - overkill...

Think about this.. Back in the day, our grandparents didn't exactly have Napa or O'Reilly's just down the road - they drove those cars day in, day out and never changed the plugs...

Think about this, they rarely if ever changed the oil either! Hmmm, why are we changing oil every 3k miles and the big oil companies are posting record profits year after year?
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Old 12-13-2006, 07:56 PM
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Default Re: Spark Plugs

You have given me a lot to think about.....perhaps the cars are built this way on purpose......while the oil companies have HUGE profits
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Old 12-13-2006, 08:08 PM
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Default Re: Spark Plugs

oil is way different than spark plugs
oil filter is the key
oil is the blood of the car engine

spark plugs i always have pulled and glass bead blasted them
platinum are good, they say iridium is the best
i always check mine at 7K and ohm check them
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Old 12-13-2006, 08:08 PM
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Default Re: Spark Plugs

Back then plugs were made in -2- parts, and could be taken apart and cleaned. The ignitions were sooo weak they never "wore" the plugs out. Todays systems are so powerful, you can weld with them.. (not really). However, electrodes do wear, particularly since many systems fire every revolution. Performance doesn't deteriorate, but the systems get stressed by having to fire progressively wider gaps, to the point they start to fail in other locations...wires, coils, modules, expensive stuff.
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Old 12-13-2006, 08:26 PM
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Default RE: Spark Plugs

Spark plugs? Don't need no stinkin' spark plugs!



[img]../photos/get-photo.asp?photoid=21401[/img]
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Old 12-13-2006, 08:28 PM
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Default RE: Spark Plugs

Just1more - 12/13/2006 8:26 PM



Spark plugs? Don't need no stinkin' spark plugs!



[img]../photos/get-photo.asp?photoid=21401[/img]




me too
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Old 12-14-2006, 08:54 AM
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Default Re: Spark Plugs

Ohhh..I see now..diesel. Couldn't see it at first for the CLOUD OF SMOKE from it.............
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Old 12-14-2006, 04:16 PM
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billinstuart - 12/14/2006 9:54 AM Ohhh..I see now..diesel. Couldn't see it at first for the CLOUD OF SMOKE from it.............
Ah, excuse me, you won't see no smoke from my Power Stroke! It ain't no Dodge
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Old 12-14-2006, 05:45 PM
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Default Re: Spark Plugs

Dodge 1500 Hemi book says 30k I changed at 30k. The one coming out looked nearly as good as the ones going in.

AND I USED NEVER SEEZ ON'EM!!!!!!!

I slathered it all up and down them threads.
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Old 12-14-2006, 07:01 PM
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Default Re: Spark Plugs

Actually, those new computer controlled diesels are surprisingly clean.
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Old 12-14-2006, 07:22 PM
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Default Re: Spark Plugs

Just1more - 12/14/2006 5:16 PM



billinstuart - 12/14/2006 9:54 AM Ohhh..I see now..diesel. Couldn't see it at first for the CLOUD OF SMOKE from it.............
Ah, excuse me, you won't see no smoke from my Power Stroke! It ain't no Dodge
Right........your power stroke can't spin the tires like my Cummins can.
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Old 12-14-2006, 08:10 PM
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Default Re: Spark Plugs

I change in the spring. Just wondering, any benefit to the platnum or iridium? Zuke DF115.
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Old 12-15-2006, 06:18 PM
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Default Re: Spark Plugs

I have a 2001 Yukon XL 100K and have never changed the spark plug, still 15 MPG around town and 18 on the Hwy. Guess I will trade truck before I have to spend $12 or more a pop to change them.
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