Originally Posted by fordboy98
Good idea! Here's another thought. Based on experiences I've had with Jap car engines that have the plugs buried in the head, I smear a little rubber grease on the open end of the boot that slides over the plug stem. On a Suzuki I did the plugs in recently, the rubber boot had succeeded in vulcanising (welding) itself to the plug stem, due to the hot temperatures in the area. There was no way to get it off the plug and out other than to destroy the complicated rubber and plastic boot. I had to replace the entire plug cable set. Hoping for an easier time next time!
Well a friend of mine had a problem with Peugeot 304, he got hold of a 2nd hand alloy head, got all the plugs out except 1 which he had to drill out to extract it. It had been fitted with a heli coil, however the plug was "welded" into the head, now these new BA engines with these long life plugs do not appear to be designed with the home mechanic in mind. Most 2nd hand ford buyers of these BA fords will probably pick a car with 40 to 80K with the oringinal plugs so when the warranty is over may find when it comes to a service that some of the plugs difficult to remove, very expensive head damage can result. So why not a little preventative maintainence?
Long Life iridium plugs do not mean maintainence free!