Quote:
Originally Posted by Christ
Looking forward to results.
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Okay, the results are in...
Distance travelled: 58.7 miles (94.5 km)
Yesterday:
Outside temperature: 58 F (14.4 C)
Intake temperature: (not recorded)
Fuel consumed: 3.18 gallons (12.02 L)
FE: 18.5 MPG (12.7 L/100km)
Today:
Outside temperature: 55 F (12.8 C)
Intake temperature: 98 F (36.7 C)
Delta T: 43 F (23.9 C)
Fuel consumed: 3.04 gallons (11.49 L)
FE: 19.3 MPG (12.2 L/100km)
So, about a 4.4% improvement in fuel economy.
Keep in mind that this is not a strict A-B-A test. For one, the intake heater was not connected to the cooling system last night. For two, there were two stretches of highway that were under late-night construction last night, causing me to slow down for the better part of a mile.
Tomorrow, I am going to block off the uncovered parts of the airbox roof (where the intake heater is mounted), so as to force all of the intake air through the intake heater. Hopefully, this will be able to cause intake temperature to reach 130 F during the nighttime (return) commute. In the slightly longer term, I am going to find a more efficient transmission cooler (possibly one of them plate-and-fin types) and use that, instead of the tube-and-fin cooler I currently have installed.