compression ratio FORD F150 1999 10.G Owners Manual

1Add 118 ml (4 oz.) of additive friction modifier C8AZ-19B546±A, Ford
specification EST-M2C118±A for complete refill of 8.8 inch and 9.75 inch
Traction-Lok axles. Add 236 ml (8 oz.) of additive friction modifier
C8AZ-19B546±A, Ford specification EST-M2C118±A for complete refill of
10.25 and 10.5 inch Traction-Lok axles.
2Refer to the dipstick for the type of transmission fluid required. Some
fluid labels may indicate dual usage such as MERCONtand MERCON
Vt. These dual usage fluids are not to be used in transmissions that use
only the MERCONttype fluid. These dual usage fluids may be used in
transmissions that require MERCONtV use.
Using a transmission fluid that indicates a dual usage (MERCONtand
MERCON Vt) in a transmission application requiring MERCONtmay
cause transmission damage. Use of any fluid other than the
recommended fluid may cause transmission damage.
ENGINE DATA
Engine 4.2L V6 engine 4.6L V8 engine 5.4L V8 engine
Cubic inches 256 281 330
Horsepower205 @ 4750 rpm 220 @ 4500
rpm
1250 @ 4500 rpm
Torque250 lb.-ft. @
3000 rpm290 lb.-ft. @
3250 rpm345 lb.-ft. @
2250 rpm
Recommended
fuel87 octane 87 octane 87 octane
Firing order 1-4-2-5-3-6 1-3-7-2-6-5-4-8 1-3-7-2-6-5-4-8
Spark plug gap1.3-1.4 mm
(0.052-0.056
inch)1.3-1.4 mm
(0.052-0.056
inch)1.3-1.4 mm
(0.052-0.056
inch)
Ignition system EDIS EDIS Coil on plug
Compression
ratio9.3:1 9.0:1 9.0:1
1All F150 vehicles and F250 with manual transmission. F250 with
automatic transmission is 235 hp @ 4400 rpm.
Capacities and specifications
219