Lets agree that You're not very intelligent,that seems fair right?
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Be advised. Your reply is on the edge of being adversarial, and being adversarial, especially when you are brand new here is a no-no. I've been reading, as well as participating in the thread, and from what I take of it, the OP ignored the basic stepping stones to troubleshooting his problem. Your advice to spray any part of the ignition system w/ WD, silicone spray, etc. etc. doesn't exactly fall into any diagnostic flow chart that I've ever read. When the OP popped back in to state that his problem was solved as a result of a incorrect spark plug being found seems more than a little suspect. Yet you championed that "solution" as a simple fix to what was being made more serious by the rest of the participants here.
Let me ask you.
Do you think it possible for
you to install a spark plug that is somehow so wrong that the engine would run badly?
Even if the other 7 were right, and the incorrect one was too hot, or too cold how badly would that make it run?
( thought about it yet?)
The only way an incorrect plug could make the motor run badly was if it was too long, and the electrode actually got closed from interference w/ THE PISTON., and again,.....if that happened.... ( provided it was only marginal contact),.... dead cylinder.
So, you install the Chevy plug in your Ford motor and you start it........putt, putt, putt, putt........7 cylinders outta 8. And (while extremely unlikely that that is what happened), it would do that immediately after the piston closed the electrode shut on the first crank of the engine.
If it stuck into the chamber any farther than that, and the engine wouldn't even turn over.
Now I don't know about you,..since you claim to be an experienced troubleshooter, but if you're installing a set of plugs in an engine, seems to me that a red light is gonna go off in your head as soon as you open the box and find a long reach spark plug somehow got in your box of four short ones.
But even after that red light is blinding you, you're gonna go ahead, and install it anyway?
So, In reality, it wasn't a "simple solution" to the Op's problem that the collective here made more serious, it was a BS answer that you agreed with. Own it.
And, again,....remember to walk in the middle of the road when you travel through bad behavior town,....it's ok to say "You don't know what you're talking about", but when you change that to "You're not very intelligent", you just insulted somebody. That sir, will get you side lined.
than that,how about the guy that trys to jb weld his spark plug into his 5.4 because it stripped out or how about the guy that didn't index his spark plugs (in engines applicable) and smashed them shut or how about the guy that put his cap on with no rotor and can't figure out why it won't fire or how about the guy using the firing order for the old 302 instead of the firing order for the h.o 302 and can't figure out why it has a misfire,I've had to work on cars for people with no further expierience then knowing how to drive them,people who have lots of money and want a bad ass car but don't know how to build anything 
