Spark plug extension is gone!

a little putty should patch that up just fine

I would replace all of the extenders, and potentially the wires depending on the age.

 

I had the same problem-2 spark plug wires shot out of the engine block and both extenders were melted/broken; I had some spares and popped them back in.

 

The plug extenders both melted and the plastic bonded to the base of the spark plug; I tried scraping it off but still I cannot unscrew the spark plugs because the melted plastic at the base. Did you have this problem?

 

We use duct tape here for something like this. lol Most likely had a pinhole in the extender and it burned through and shorted out to the block. Then it burned up. Like they all said replace them all. I got mine from Kingsborne .

 

Seems all they do is cause problems so I eliminated those darn things. For the price of a new set of extenders you can do the plug wire mod and do away with the extenders all together. So far its one of the best mods I've made. Just my 2cents.

I searched and found the thread on the mod for anyone interested.
http://www.ferrarichat.com/forum/showthread.php?t=261548

 

Good luck!

Man, that's the worst extender failure I've ever seen!

You can probably chip out the melted plastic but be careful with sharp objects down the plug well!!!

 

The first time I pulled my plugs, I found the extenders all had some kind of fiberious heat shields on them, a bit of investigation, I found out they are Ferrari parts, not for a 308 and not necessary.

 

His 1977 should have black extenders....all of mine do.

 

THERE! It's proven. They do melt with water. So for all you naysayers out there, I now have evidence!

Ace

 

We have color coded extenders? Whats the difference? And does it matter?

 

Funny my 77 called for Red . They are the resistor types. I believe the OEM wires were stranded and needed a resistor to eliminate radio noise.

 

Noise? .......you have a Ferrari, roll the windows down if you want music!

 

It's not about the color, as noted it's about resistance vs. non resistance, and it does relate to what type of wires and plugs you are using....

I just always associate the red wires/seals of later cars with the red extenders.

He's running the old style well seals in the picture......

 

I think the one melted in two has REALLY HIGH resistance...LOL!

I have one car with some sort of "quick clip" on the wires, nothing but static on the dial but the cassette tape is still cranking!!

Allman Brothers.......

 

I don 't know the ignition voltage on the Ferrari's, but have on my fiberglass Avanti's that have the stailess steel ignition covers that bake rubber wires and destroy resistor cores, I have run for the past 30 years or so silicon jacket / stainless steel wires with non resistor plugs....and have never had a problem with radio static.

I have run into simular owners that had solid core wires and non resistor plugs that did have a static problem, and I recommended using a resistor wire between the distributor and coil which solves the problem.

Back to Ferrari, I like the mod where you just extend a silicon wire down to the plug. You'll just have to buy wires about 5 inches longer.