Restorex
Well-Known Member
Hi guys. I'm having troubles with my headers melting my sparkplug boots making them arc out on the header tube. For the last couple years, nobody could figure out why my freshly rebuilt 327 wash running like sh!t. After a buddy told me that it definitely is an ignition issue, I started checking plug wires first. The second boot I pulled off....Bingo! It was melted and cracked. Therefore was arcing out, on the header tube. There is about 1/16" between the header tube and the plug boot itself. I swapped that plug wire with one that didn't have a header tube close to it. She ran perfect! I drove the car yesterday about 40km and heated the headers up pretty good, and she started running terrible again. Sure enough, same thing happened. The same header tube melted the other plug boot. Are there other plug wire I should try? I've seen the fabric sleeves that your can buy that slide over the plug boots to shield them from the heat, but these sleeves would actually be touching the header tubes in some places. Would that be okay? Here are some pic of what I'm working with.
The plug boot with the problems is the second from the back.
As you can see, this one is practically touching the header tube.
This is one that I had switched over to a different plug after it was melted and cracked.
Does anyone have any ideas I could try? I wouldn't be able to drive this thing very far without it melting another one!
Thanks guys!!
The plug boot with the problems is the second from the back.
As you can see, this one is practically touching the header tube.
This is one that I had switched over to a different plug after it was melted and cracked.
Does anyone have any ideas I could try? I wouldn't be able to drive this thing very far without it melting another one!
Thanks guys!!
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