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Old 11-08-2015, 03:50 PM   #8 (permalink)
cRiPpLe_rOoStEr
It's all about Diesel
 
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Though an engine block heater is more effective to reach operational temperatures quicker, those oil heaters (either plug or dipstick heater) might help too. A thinner oil flowing easily might also reach the valvetrain faster, reducing its wear.
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