Anyone know what the plug gap should be on the 2010 5.7? I can't seem to find it anywhere. It sounds like the 2006-2008 is .043-.045 but I keep seeing mention that the 2009-2010 is different. There also doesn't seem to be a sticker in the engine compartment that shows this info, not sure why that is since every vehicle I have owned had one. Anyone have a 2009-2010 that wants to take a picture of their sticker and pass along what the plug gap should be I would sure appreciate it!
Well, I have done more searching and reading. Looks like several sources say .043 for the 2009-2010 models.
The sticker was there at one point LOL but with the tools we use to gap plugs .43 is close enough even if you need to be at .45 which I'm pretty sure my 07 is gaped at.Originally Posted by duneslider
Changed out the plugs last night. Took a few pictures of the process and I will try to put together a little write up on it. Seems like a lot of people are apprehensive to do this. It takes a while because of the 16 plugs but I still think it was easier than doing plugs and wires on my jk.
My plugs didn't seem very bad at all, I wonder if the previous owner had a service done somewhere in there. I put a couple hours on the highway on it today and didn't notice any difference and the gas mileage still is low. Good thing I didn't buy to be an economy car.
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