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I'm not trying to jump on your case, but this is preaching false information that's only going to lead others to trouble. Maybe this worked for you, but 9 times out of 10 it causes problems. Claims like this are why people on here decide to rip out their EGR system among other emissions controls, which creates more work for the rest of us when people come to the board with problems like dieseling and spark knock.
People, don't do it. Ford engineers wouldn't add such a large cost to these vehicles if these parts weren't completely unnecessary as so many of you assume.
This is the most sound advice regarding the emissions. I preach the same subject...nobody listens. When they screw it up, they wonder why.
You can lead a horse to a water trough; you cannot make the horse drink it.
Does anyone have a vacuum diagram for a '79 F250 400 4x4? I just bought this thing and the hoses are a complete mess. No joke, there are literally 6-8 vacuum hoses just flopping around not attached to anything. I think two of them might be from when I replaced the stock air cleaner with an Edelbrock one. The stock air cleaner had a few vacuum lines and I don't think this Edelbrock needs any.
What trans & its DSO? DSO code can be found on the warranty plate below the driver's door latch striker. WARNING: Make sure the VIN matches everything else including the title.