RE: Spark Plugs
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RE: Spark Plugs - 1/20/2008 6:42:24 AM
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BACKnBLACK
Posts: 163
Joined: 6/8/2006
From: Budd Lake, NJ
Status: offline
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Well, after himming and hawing, I put the 3923's in last weekend. First of all, it was easier than I thought it would be thanks to you guys. And second, you all were right. The 3923's are the best for our engines. It runs great. Much smoother idle and better pick-up. I am not sure of the gas mileage yet, because the last tank had some of the old plugs gas mileage, so we will see over the next few fills. Thanks again guys!
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Todd
New 2007 QC SLT-4.7L V8-Sirius Satellite-iPod 30GB-new sig pic to follow soon
The Dak
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RE: Spark Plugs - 1/27/2008 9:01:00 AM
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billcat
Posts: 52
Joined: 6/16/2007
Status: offline
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since i got my egr valve replaced, i actually got to see how the truck would do with a CAI and new plugs. I did go with the 5224 autolites simply do to the fact i don't do alot of hard acceleration, and after all i read, i thought i would try these first. After saying that, i am very pleased with the 5224. THe truck idles better and just seems to run better. now i did put a cai on at the same time so i don't know which to give 100% credit to but i have no complaints with the 5224. 10 times better than what the factory put, i will agree with that!
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2005 Dak 4.7 magnum
K&N CAI
50 series Flowmaster muffler
SilverLine exhaust tip
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