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Old 11-11-2011, 01:54 AM   #32 (permalink)
tinduck
EcoBus Driver
 
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Join Date: Oct 2011
Location: Germany
Posts: 54

EcoBus - '09 VW Multivan SL TDI 103 KW
90 day: 42.1 mpg (US)
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At the moment (the weather is getting colder) I am thinking about pre-heating the engine too. But all this block heater / oil pan heater stuff is rather expensive for the lo-tech it really is, in my opinion.

I am thinking along the line of setting up a hot air blower in front of my lower grill. Since the engine compartment is higly encapsulated (belly pan under the engine), the warm air should flow up (as warm air does) through the whole engine compartment before flowing out around the exhaust line to the back of the vehicle. The blower has a 2 KW setting and should kick up quite some heat; I may try 1/2 an hour of pre-heating first and evaluate the result.

Has anybody done this? Thoughts?

so long,

tinduck
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