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Full Version: Detroit Diesel 8V92 eninge/Allison 4 speed operating parameters
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Based on VMSpc readings:

Ambient Temp: 80 degrees (from internet weather data)
Speed: 66 mph
Tach: 1775 rpm
Water Temp: 183 degrees (range high 187 low 177)
Transmission Temp: 175 degrees (140 or less for 1st 90 minutes)
Turbo Boost: 7 psi (range 0 - 19 psi based on hills and acceleration)
Oil Pressure: 58 psi
Fuel Mileage: 6.6 mpg (10 minute avg in relatively level terrain)
Fuel Mileage: 6.1 mpg (240 mile trip average)