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Old 11-19-2015, 08:35 AM   #37 (permalink)
oil pan 4
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Location: NewMexico (USA)
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I have been using the block heater some now that the mornings are getting frosty.
Unfortunately I do not have the instant defrost that I wanted for 2 reasons.
The electric coolant pump circulates the coolant through the element too fast and with the engine off the vent controls have no vacuum to actuate the fan selector so the default mode blows all the air out the floor vents.
But even after only 10 minutes the engine is nice and warm.
If the blower air would go to the defrost vents the heater would only need to be on for maybe 5 minutes before it would start to melt frost.

The heater element draws 23.8 amps.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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