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Originally Posted by benchwarmer4203
(Post 3281262)
After reading through the thread that MGD linked, it looks like your next step should be to check the gap on your existing plugs.
Roger that. Will this weekend and report. |
Originally Posted by Jake's Dad
(Post 3281232)
Finewire Platinum. Supercedes SP-512 http://www.rockauto.com/catalog/moreinfo.php?pk=3001419 I believe the SP-534's are iridium though ... I'll trust Rockauto over o'Really?'s all day long. So - as stated - adjust the gap. good luck |
Am I missing something here? I thought your Motorcraft P/N would be SP-519
http://www.fordparts.com/Commerce/Pa...rd&model=F-150 |
Originally Posted by MGD
(Post 3281433)
Hmmmm ....Don't think so..
Finewire Platinum. Supercedes SP-512 http://www.rockauto.com/catalog/moreinfo.php?pk=3001419 I believe the SP-534's are iridium though ... I'll trust Rockauto over o'Really?'s all day long. So - as stated - adjust the gap. good luck I called my local ford dealership to get the model number of the motorcraft plug and googled it, pulled up the O'Reilly's link just to share with everyone. |
...by the way the part number Ford gave me for the plugs for 5.0 is CYFS12Y.
However, I can't find a cross reference for that plug for NGK. Maybe they aren't out yet. JD |
I've regapped mine about a year ago. The 2 plugs closest to the firewall are the hardest plugs to remove. I ended up having to buy a shorter extension for my socket wrench but after that I was good to go. The plug gap can be found in your owner's manual. They are pretty easy to remove and install. I also suggest using a torque wrench to install them since I've heard you do not want to over tighten them.
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Use a good torque wrench and torque properly (sorry I don't know the torque setting).
Too tight and you can strip the head. Not tight enough, and the plugs can back out while driving, this is not good and is expensive to repair. Also, don't use anti seize on the threads, it changes the torque readings. |
Originally Posted by F-250,LD
(Post 3281855)
Use a good torque wrench and torque properly (sorry I don't know the torque setting). Too tight and you can strip the head. Not tight enough, and the plugs can back out while driving, this is not good and is expensive to repair. Also, don't use anti seize on the threads, it changes the torque readings.
I would imagine that the torque values given are lubricated values. |
My opinion is that anti seize is ok with a good torque wrench. Using a cheapo wrench may lead to over tightening since they tend to be slow to react in my experience.
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Originally Posted by bigred90gt
(Post 3283230)
While true that anti-seize will have an effect on the torque value, not using it can be a recipe for disaster.
I would imagine that the torque values given are lubricated values. This engine may be different with regards to the anti-seize. I have not found what the perfect torque setting is for this engine. Anyone know? |
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