1995 ext cab F250 7.3 Powerstroke 4X2
3.55 axle ratio
3" exhaust from turbo back
injector cc increase
mild program upgrade
195 degree thermostat
stock airbox
non intercooled
235/85-16 hwy tires @ 65psi
5spd standard tranny
55-60mph average
small hills and infrequent stop & go
air temp approximately 80-85 degrees
1500-1750 cruising rpm
Rotella 15W-40 oil
Power Service Extreme Diesel fuel
cargo: suitcase, spare, power tools, tool boxes
trip length: 175 miles
Filled up front tank from same pump till shut off. Did not overfill.
Previous mpg tests (same route): 24.3mpg (old injectors & program) 26.5mpg (new injectors and program)
RESULTING MPG: 27.2mpg
(Future mods: oil additive, intercooler, increased fuel pressure & timing mods, higher tire psi, no jackrabbit starts or passing, less cargo, 203+ thermostat.)
3.55 axle ratio
3" exhaust from turbo back
injector cc increase
mild program upgrade
195 degree thermostat
stock airbox
non intercooled
235/85-16 hwy tires @ 65psi
5spd standard tranny
55-60mph average
small hills and infrequent stop & go
air temp approximately 80-85 degrees
1500-1750 cruising rpm
Rotella 15W-40 oil
Power Service Extreme Diesel fuel
cargo: suitcase, spare, power tools, tool boxes
trip length: 175 miles
Filled up front tank from same pump till shut off. Did not overfill.
Previous mpg tests (same route): 24.3mpg (old injectors & program) 26.5mpg (new injectors and program)
RESULTING MPG: 27.2mpg
(Future mods: oil additive, intercooler, increased fuel pressure & timing mods, higher tire psi, no jackrabbit starts or passing, less cargo, 203+ thermostat.)