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JM_in_TX
Dodge Dakota
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12/06/2004
10:02:24
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 Subject: Spark Plugs 4.7L
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Message:
Anyone tried the new E3 plugs in a 4.7 yet?
John M.
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RadioMan
Dodge Dakota
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12/06/2004
13:37:49
|  RE: Spark Plugs 4.7L
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I've never heard of them, JM_in_TX.
Fill me in..
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CThomp
*GenIII*
12/06/2004
15:32:11
|  RE: Spark Plugs 4.7L
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e3sparkplugs.com
There was a small blurb about them in popular science back in October.
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EJ
Dodge Dakota
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12/06/2004
17:37:26
| RE: Spark Plugs 4.7L
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Message:
What makes them better than the Bosch plugs with FOUR ground electrodes?
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RaZoR1
Dodge Dakota
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12/06/2004
18:48:27
| RE: Spark Plugs 4.7L
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Message:
Do not use too "hot" of a plug. IE platinums, our motors have a fairly high compression ratio with factory knock sensors and any advantage of using platinums is pretty much nil. I'm having to run Iridium's (supercharged).
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but
Dodge Dakota
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12/06/2004
22:20:04
| RE: Spark Plugs 4.7L
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Message:
i thought the non HO 4.7 doesn`t have knock sensors,comes with copper plugs. the HO with knock sensors comes stock with plat???? whyyyyyyyyyyyyyy!!!
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Kowalski
GenIII
12/07/2004
15:57:14
| RE: Spark Plugs 4.7L
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Message:
No knock sensor on 4.7 unless HO. Compression is not all that high, especially for aluminum heads.
Lead, follow, or get out of the way
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SteveJ
Dodge Dakota
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12/07/2004
16:49:08
| RE: Spark Plugs 4.7L
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Message:
Go here and check it out. Lots of good info here.
http://www.wjjeeps.com/ho_engine.htm
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RaZoR1
Dodge Dakota
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12/09/2004
16:48:30
| RE: Spark Plugs 4.7L
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Message:
2000 4.7 has knock sensors.... non HO. Mine did anyway. I beliveve our compressoin is 9.1:1. Which is not real high compared to race motors but pretty high for a stock v8. Kowalski: what would aluminum heads have to do with it?? good at getting rid of heat?? Also, i had two knock sensors on my motor, one on each side. The kennebell kit came with two new ones to replace them.
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ewraven
Dodge Dakota
JOIN HERE
12/09/2004
16:52:00
| RE: Spark Plugs 4.7L
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Message:
I just put some Champion Truck Plugs in my 5.2 and it runs 100 percent better. The pinging has dissapeared.
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01Motorsport
Dodge Dakota
JOIN HERE
12/09/2004
21:54:05
| RE: Spark Plugs 4.7L
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Message:
I believe the 4.7 CR is 9.3:1, the HO 4.7 is 9.7:1. I've used Bosch Platinum 4418's in my '01 4.7 for 35K now, and they run perfect. The most noticeable difference is the smoother idle compared to the stock Champions. With HO cams, Flowmaster 70 duals, homebrew K&N intake, and "true" 68mm TB, I need to run at least 3-4 gallons of 93 octane on top of the 87 octane in 22 gallons to prevent pinging on hills/ under load. But, my Dak just turned 100k miles last week, too!
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