Page 23 - REPOWER REFERENCE GUIDE (2020)

Important Information
Engine Specifications—383 MPI FWC Bravo

383 MPI
Horsepower 1 350
Kilowatts 1 257
Number of cylinders 8
Displacement 383 cid (6.3L)
Hot 65 A
Alternator amperage
Cold 72 A
WOT 4800–5200
RPM
Idle in neutral Not adjustable
At 2000 RPM 124 kPa (18 psi)
Minimum oil pressure at idle
At idle 55 kPa (4 psi)
Minimum battery requirement Non‑DTS models 750 CCA/950 MCA/180 Ah
Firing order 1‑8‑4‑3‑6‑5‑7‑2
Spark plug type NGK 1TR4A15
Spark plug gap 1.5 mm (0.060 in.)
Timing at idle Not adjustable
Seawater‑cooled models 71 °C (160 °F)
Thermostat
MPI models with closed‑cooling 77 °C (170 °F)
1 Performance obtained and corrected in accordance with SAE J1228/ISO 8665 Crankshaft Power.
Engine Specifications—8.1L Horizon Inboard

8.1L
Horsepower 1 370
Kilowatts 1 276
Number of cylinders 8
Displacement 496 cid (8.1L)
Hot 65 A
Alternator amperage
Cold 72 A
WOT 4200–4600
RPM
Idle in neutral Not adjustable
At 2000 RPM 414 kPa (60 psi)
Minimum oil pressure at idle
At idle 207 kPa (30 psi)
Minimum battery requirement 650 CCA/825 MCA/150 Ah
Firing order 1‑8‑4‑3‑6‑5‑7‑2
Spark plug type AC 41‑983 or NGK 1TR4A15
Spark plug gap 1.5 mm (0.060 in.)
Timing at idle Not adjustable
Thermostat Seawater‑cooled models 71 °C (160 °F)

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