12-01-12, 02:48 PM
(12-01-12, 01:32 PM)Gnasher link Wrote:pray tell why? The ally isn't softer at 160 degress C than it is at 0 degrees C and technically the more brittle the metal, that is colder, the more chance of a fracture. Don't mind me I'm just an engineer and an old one at that :loltop
Dont try and remove them when they are hot you will increase the risk of stripping the threads,
What heating the engine will do is very slightly make the thread larger diameter compared to the steel plug thread which expands at a lower CTE.
Just wondered like.