Re: Block Heater results?
I've had my heater for the last tank. This is not a clear factual comparison - But - previous tank was about 50 mpg. Last tank today about 53 mpg. It's been 10-20 degrees colder on my last tank. Work commutes and a few longer trips on both tanks. Car will go up to 9 bars on the temp gague in about 1/2 to 3/4 mi. with block heater. It used to take about 5 miles. It's warm in the car a lot sooner. My lifetime mpg went up .1 mpg instead of down with the colder weather (over 30 tanks). I hope this helps. 
  Don
Best tank 67.5 mpg (555.5 mi.)
Best trip 91.5 mpg (42.2 mi.)
Last edited by Donald; 10-27-2006 at 01:26 AM.
Reason: Add stuff.
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