| Year |
1986 |
1987-88 |
1989-93 |
1993 Cobra |
1994-95 |
Output - SAE net Horsepower
Torque |
200 hp @ 4000 rpm |
225 hp @ 4000 rpm |
c/o (89-92)
205 hp @ 4200 rpm (93) |
245 hp @ 5000 rpm |
215 hp @ 4200 rpm |
| 285 ft-lb @ 3000 rpm |
285 ft-lb @ 3000 rpm |
300 ft-lb @ 3200 rpm (89-92)
280 ft-lb @ 3400 rpm (93) |
290 ft-lb @ 4000 rpm |
285 ft-lb @ 3400 rpm |
Induction System Fuel Management
Air Intake
Fuel Pump (pressure)
|
Single Throttle Body, 58mm bore, 540 cfm,
sequential electronic fuel injection, 19 lb-hr injectors, Tuned Length
Aluminum intake manifold, EEC-IV engine control |
Throttle body bore increased from 58mm to 60mm;
Throttle shaft needle bearings replaced with ball bearings
1988 California Only - Mass Airflow Sensor |
c/o Fuel Control, Mass Airflow Sensor |
65mm Throttle body,
FFRP Cobra intake |
60mm throttle body,
revised intake to clear hood similar to T-bird intake |
| Remote low-restriction air cleaner |
c/o |
c/o |
c/o |
c/o |
| Electric In-tank Pump, 39 psi |
c/o |
c/o |
c/o |
c/o |
Camshaft
Type
I.O./I.C./Lift
E.O./E.C./Lift
Duration - Int/Exh
Valve Lift - Int./Exh. (1.6 rocker arm ratio)
Overlap
Firing Order
|
E5ZE-6250-AA |
c/o |
E8ZE-6250-CA (88-90)
F1ZE-6250-AA (91-93) |
F3ZE-6250-CA |
F1ZE-6250-AA (94)
F4ZE-6250-DA (95) |
| Steel cam, roller lift |
Steel cam, roller lift |
Steel cam, roller lift |
Steel cam, roller lift |
| 17°/69°/0.278 |
20°/76°/0.278 |
19°/71°/0.282 |
20°/76°/0.278 |
| 67°/19°/0.278 |
67°/19°/0.278 |
75.5°/14.5°/0.282 |
67°/19°/0.278 |
| 266°/266° |
276°/266° |
270°/270° |
276°/266° |
| 0.444"/0.444" |
0.444"/0.444" |
0.479"/0.479"
with 1.7 rocker arm ratio |
0.444"/0.444" |
| 36° |
39° |
33.5° |
39° |
| 13726548 |
c/o |
c/o |
c/o |
| Camshaft Drive |
Roller Chain |
c/o |
c/o |
c/o |
c/o |
| Piston |
E6ZE-6110-BA
(9.2:1 cr) forged, ring thickness and ring tension reduced; 30% on upper
comp. ring & 35% on oil control ring |
E7ZA-6110-CA
(9.0:1 cr) forged, 0.030 dish & eyebrows, c/o rings |
c/o
90- change to moly rings
93- change to hypereutectic pistons (9.0:1 cr) |
c/o |
c/o |
| Cylinder Head |
E6AE-6049-AA
common with 5.0L passenger car |
E7TE-6049-AB
common with 5.0L truck |
c/o |
F3ZE-6049-AA
GT-40 |
E7TE-6049-AB |
| Water Pump (aluminum) |
E6AE-8501-CA
Pump efficiency improved. New 3.5" impeller and housing with exit scroll |
c/o |
c/o |
c/o |
c/o |
Ignition Specs -
Spark Plug Gap
Initial Timing
Centrifugal Advance
Vacuum Advance
Ignition Coil |
AWSF-44 |
ASF-42 |
c/o |
c/o |
c/o |
| 0.050" |
0.052"-0.056" |
| 10°BTC |
10°BTC |
| Spark advance controlled by EEC-IV computer |
c/o |
| Spark advance controlled by EEC-IV computer |
c/o |
| E core 38 kV output voltage |
40 millijoules output energy |
90 millijoules output energy |
c/o |
c/o |
| Cylinder Block |
E6SE-6010-DC
increased bore wall and deck material thickness. Siamesed bores in water
jackets (126 lbs.) |
c/o |
c/o |
c/o |
c/o |
Exhaust - Exhaust Manifold
Manifold Gasket
Exhaust Inlet Pipe
Muffler / Tailpipe |
Stainless Steel Tubular |
c/o |
c/o |
c/o |
c/o |
| E4ZE-9448-AA |
c/o |
"H" pipe
2.25" inlet, 2.25" outlet
Dual Inline Catalyst |
c/o |
Dual Exhaust (total system)
2.25" tube diameter |
c/o
turned down tips - GT |
| Crankshaft |
E1AE-6303-AA |
c/o |
c/o |
c/o |
c/o |
Flywheel
Unbalance |
E6ZR-6375-AA
50 oz-in. |
c/o |
c/o |
c/o |
c/o |
Damper
Unbalance |
E4TE-6316-AA
32 oz-in. |
c/o |
c/o |
c/o |
c/o |