duh ! whats best when removing plugs - hot or cold engine ?
I cant remember which .
Rich
changing spark plugs
Nov 29, 2005
2 Replies
Cold. Hot heads strip more easily.
Mate
I always took them out when when the engine was hot enough to touch and put them back in when the engine is cold ...by aussie standards.
And I always put a light smear of grease on the threads.
Cheers
Klang
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