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Skeletor
Dodge Dakota
JOIN HERE
1/08/2002
18:55:59
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 Subject: Spark plug test on a 4.7
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Message:
Has anyone done a spark plug test on the 4.7l?
I know everyone here says to use the 39, but has anyone tried the different Plat., and titanium, and such. I think Bernd is trying an iridium (think I miss-spelled that). Just looking out for the most HP for the buck, before the fist plug change. I am coming up on 13k, so no hurry.
2001 QC 4.7l 4x4 3.91 5speed
homebrew intake w/ a S&B Powerstack air filter
more to come
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2THEXTRM
GenIII
1/08/2002
23:23:49
|  RE: Spark plug test on a 4.7
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I am using Splitfires and have noticed a much better idle and throttle response. MPG has remained unchanged though, I will be playing around with different plug gaps when it warms up some to find optimum gap.
Flowmaster stainless cat back, Air Raid CAD and homemade TB connect, Splitfire Plugs, 33x11.50-16's
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Skeletor
Dodge Dakota
JOIN HERE
1/09/2002
12:30:54
| RE: Spark plug test on a 4.7
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What are the rest of your setup, like engine and year and cab version?
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2THEXTRM
GenIII
1/10/2002
08:06:06
| RE: Spark plug test on a 4.7
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Message:
It's on my profile page, 01 4.7 CC 4x4, same as you with two less doors:). I installed the splitfires with only 6K on my truck, have 10K now with no degradation of smooth idle or throttle response, worth the $40 IMO.
Flowmaster stainless cat back, Air Raid CAD and homemade TB connect, Splitfire Plugs, 33x11.50-16's
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