Spark plugs
#3
Not hard to change them. The Motorcraft SP479 is a good plug to use and is an OE replacement. I bought some Autolite XP103 Iridiums to test but I will not recommend them until they are in service for a while. The Autolite plugs will work well and Autolite makes the Motorcraft plugs, I just prefer the Motorcraft due to the Nickel plating. Rock Auto has good prices on plugs.
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#6
Got the plugs changed as well as my fuel filter. I loosened the fuel fails and some vac lines to get the far back ones. Not too hard... No scraped knuckles. I ended up going with the autolites since they had good reviews from some local ford people I know. Got my oil changed and now just need some new wiper blades and I'm set for hunting.
Thanks to those of you who posted info.
-Nick
Thanks to those of you who posted info.
-Nick
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#10
His 04' should ahve a different PCV valve than the 99'-03' trucks. It is a blue colored with the tab release connectors. My 04' is that way anyway, my dads 03' has th eolder setup.
Must have been the plug change weekend. I did the plugs on my dads 03' 6.8 on sat and put those XP103 Iridums in. In the the process I found his K&N intake tube had partially collapsed at the mold part line and was leaving in unfiltered/unmetered air. That explains the detonation he was having. Machined up an aluminum sleeve for inside the tube. Runs much better now.
Autolite has a rebate on plugs right now. Will be getting $20 back for the 10 Iridium plugs.
Here is the form. Autolite Spark Plugs - Choose your region | Autolite®
Must have been the plug change weekend. I did the plugs on my dads 03' 6.8 on sat and put those XP103 Iridums in. In the the process I found his K&N intake tube had partially collapsed at the mold part line and was leaving in unfiltered/unmetered air. That explains the detonation he was having. Machined up an aluminum sleeve for inside the tube. Runs much better now.
Autolite has a rebate on plugs right now. Will be getting $20 back for the 10 Iridium plugs.
Here is the form. Autolite Spark Plugs - Choose your region | Autolite®
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