Wartsila’s User Group › Forums › 50 SG Engine › How avoid pre detanation? This topic has 0 replies, 1 voice, and was last updated 5 years, 6 months ago by Anonymous. Viewing 1 post (of 1 total) Author Posts November 20, 2017 at 8:58 am #1750 AnonymousInactive What is the best way to avoid pre-detanation? Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In