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Discussion Starter #1
Just curious to what temperature should i start plugging in the block heater. Temps in MD are starting to get into the Mid to Low 30's at night. Thanks in advance for your help.
 

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I only plug it in under 20°F which isn't too often. Best to have a timer so it goes on 4 hours before you start it up in the morning.
 

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I do the same thing. I put mine on a timer that way it isn't on all night long. And I don't plug mine in till about 15-20. Running amsoil sure does help!!!
 

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I plug mine in just to have a warm truck which will be at the eng cold start temps under 40*F.

With out stiction and FICM issues they start with out issue using 5w-40.
 
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