FOR SALE 1989 Mercury Marine MerCruiser Engine 5.0 L V8 305 230 HP NO SALT 443 HRS. This engine excellent condition, low HOURS and great runs.
The 1989 Mercury Marine MerCruiser 5.0L (305 CID) V8 engine is a rugged small-block GM motor that produces 230 horsepower. It features a 2-barrel or 4-barrel carburetor and is an ideal, dependable workhorse commonly found in runabouts and cruisers.
General Specifications
- Engine Type : GM Chevrolet Small-Block V8
- Displacement : 5.0 L / 305 CID
- Horsepower : 230 HP (at the crankshaft)
- Maximum RPM (WOT) : 4,400 – 4,800 RPM
- Idle RPM : 650 RPM (in neutral)
Mechanical Data
- Bore : 3.736in (94.9mm)
- Stroke : 3.48in (88.4 mm)
- Compression Ratio : 9.3: 1 or 9.4: 1
- Firing Order : 1-8-4-3-6-5-7-2
- Oil Pressure : 30 – 60 psi at 2000RPM
Electrical & Fuel
- Ignition Timing : 10 BTDC
- Spark Plug Gap : 0.035in
- Fuel Type : Regular unleaded gasoline (minimum 87 octane)
- Alternator : 65 Amps
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