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Old 01-17-2011, 02:08 PM   #9 (permalink)
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Join Date: May 2010
Location: lawton ok
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nadia - '03 ford mustang mach1
90 day: 18.47 mpg (US)

Jasper - '11 ford f150 xlt ecoboost
90 day: 18.71 mpg (US)

Festy festiva - '91 ford festiva L
90 day: 55 mpg (US)
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Well here are the numbers.

Average Gallons per hour

.433 with the stock powersteering connected, belt driven water pump

.417 with P/S bypassed, belt driven water pump

.407 with P/S bypassed, electric water pump

the stock water pump already had an underdrive pulley so that might explain why the electric water pump didn't help as much as I thought.

I am going to do a quick test today with the low speed fan set to come on at 200 Degrees instead of 180 and see what happens.

All of the readings were taken at 180 degree water temp except the electric water pump which started at 180 degrees but had dropped to 174 by the end of the test.
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