Spark Plugs

[Jackpine]

Henry - please don't think my comment on broken plugs caused by "rushing" was aimed at everyone. It's also clear that some plugs are just too carbon fouled to get out in one piece. You certainly seem to know what you're doing - and, you're braver than I am.

I'm curious, what kind of driving do you do? Is it mostly city, mixture of city and highway or mostly highway? I've been trying to get a feel of the effect of this on plug breakage. My gut feeling is that highway driving should cause the least carbon buildup and would give less plug breakage.

Bluejay, over on f150Online swears by Techron as a carbon buildup preventive. Personally, I've never thought much of gas additives, but maybe in this case....

I wonder too if the anti-seize around the plug nose will stop future breakage? We'll have to wait a while to find that out, won't we?

- Jack

[88Racing]

Just from some informational gathering. It seems more people break plugs due the lack of the tsb knowledge, using the wrong fluids(solvents), get impatient and or wrong tools.

Lars

[svt2205]

No need to worry about it Jack. I'm not.

I can only offer opinion based on what I experienced. Right, wrong or indifferent, it surely wasn't a pleasant experience. To top it off, since I changed the plugs. I now have the smell of gas coming into the cab of my truck. To make this so much more fun, there are no visual signs of gas leaking from any place.

I did get it to stop for a week after cleaning up the top of the engine with simple green and a hose. Plus I cleaned up each of the evap lines and put a light layer of thin oil on their orings to improve the sealing. But that wonderful stink of gas has returned.

What he heck would cause this sort of thing?

Oh well. Maybe changing my plugs wasn't a smart choice afterall....

[88Racing]

Did you fully check the fuel rails? Maybe you might need some new o-rings? The old ones could have flat spots or cracks.
At the shop we always get a complete set for each injector when we change them. Or did you wiggle a injector?

Just some brain storming.

Lars