What is the true HP of this engine

Fun Times

Moderator
Staff member
Joined
May 16, 2009
Messages
9,147
Being an GXI of your year, Should make it be 320 HP,
Service Bulletin - Marine Mechanic
http://www.boat-fuel-economy.com/volvo-penta-5.7-gxi-v8-320-fuel-consumption-liters

Engine . . . . . . . . . . . . . . . . . . 5.7Gi-A, 5.7Gi-B(F), 5.7GXi-B, 5.7GXi-C(F) Bore and stroke . . . . . . . . . . . . . . . . . 4.000 x 3.480 inches (101.60 x 88.39 mm) Cylinders (number) . . . . . . . . . . . . . . 90? V-8 Displacement . . . . . . . . . . . . . . . . . . 5.7 liters (350 cubic inches) Firing order . . . . . . . . . . . . . . . . . . . . 1 ? 8 ? 4 ? 3 ? 6 ? 5 ? 7 ? 2 Full throttle operating range . . . . . . . Gi/GXi: 4600 ? 5000 RPM Idle RPM (fixed) . . . . . . . . . . . . . . . . Gi/GXi: 600 RPM Fuel System GXi-A . . . . . . . . . . . . . . . . . . . . . . . . Throttle body injection GXi-B . . . . . . . . . . . . . . . . . . . . . . . . Port injection Fuel pumps . . . . . . . . . . . . . . . . . . . . Electric Fuel filter . . . . . . . . . . . . . . . . . . . . . . Volvo Penta Part no. 3852413 Fuel filter location . . . . . . . . . . . . . . . Refer to photographs on features pages. Fuel type . . . . . . . . . . . . . . . . . . . . . . Inside the U.S.: 89 octane (AKI) unleaded gasoline Outside the U.S.: 93 octane (RON) unleaded gasoline Electrical System Charging system . . . . . . . . . . . . . . . . 12 volt 65 amp alternator, with internal transistorized voltage regulator Battery size . . . . . . . . . . . . . . . . . . . . 12 volt with 650 Cold Cranking Amp (CCA) rating (135 minute reserve capacity) CAUTION! Do not use a deep cycle battery as the start battery. Starter . . . . . . . . . . . . . . . . . . . . . . . . 12 volt 1.7kW output, planetary reduction gear Ignition System Distributor . . . . . . . . . . . . . . . . . . . . . Delco EST Ignition timing . . . . . . . . . . . . . . . . . . Gi-A / GXi-B: 8? BTDC service mode required Gi-B / GXi-C: 10?BTDC service mode required Spark plugs . . . . . . . . . . . . . . . . . . . . Volvo Penta Part no. 3861632 Spark plug gap . . . . . . . . . . . . . . . . . 1.52 mm (0.060 inches) Spark plug installation torque . . . . . . 27 N?m (20 ft. lb.) Cooling system Raw water pump . . . . . . . . . . . . . . . . Crankshaft mounted variable volume flexible impeller pump Recirculating pump . . . . . . . . . . . . . . Fixed impeller belt driven pump on engine Thermostat . . . . . . . . . . . . . . . . . . . . 71?C (160?F) Volvo Penta part no. 3856961 Gi-BF / GXi-CF . . . . . . . . . . . . . . . . . Closed cooling heat exchanger mounted on engine. Thermostat . . . . . . . . . . . . . . . . . . . . 76?C (170?F) Volvo Penta Part no. 875788 Oil capacity Engine without filter . . . . . . . . . . . . . 5 quarts (4.7 liters) Engine with filter . . . . . . . . . . . . . . . . 6 quarts (5.7 liters) Drive unit SX . . . . . . . . . . . . . . . . . . . 2.2 quarts (2.1 liters) Drive unit DP-S . . . . . . . . . . . . . . . . . 2.5 quarts (2.4 liters) Oil filter . . . . . . . . . . . . . . . . . . . . . . . Volvo Penta Part no. 3850559 Oil filter location . . . . . . . . . . . . . . . . Refer to photographs on features pages. Oil type Engine . . . . . . . . . . . . . . . . . . . . . . . . DuraPlus? Heavy Duty Synthetic engine oil, or suitable pure synthetic oil altenative with the minimum API service raing SJ Drive unit . . . . . . . . . . . . . . . . . . . . . . DuraPlus SAE 75W/90 API service GL 5 synthetic gear oil Power steering fluid U.S. . . . . . . . . . DuraPlus power steering fluid Part no. 3851039 Power steering fluid non-U.S. . . . . . . ATF oil Dexron 2 Part no. 1161941



Search Publications
Search OptionsProduct Designation (Application)
Product Number

Technical Data
Product Name
G6-A-AQ-27
Product Designation
5.7GXi-B
Part Number
3869118
Production Period
2001-2002
Number Of Cylinders
8
Bore
101.60 mm
Stroke
88.40 mm
Compression Ratio
9.4:1
Displacement
5.73 liters
Drag a column header and drop it here to group by that column
267920
Operators manual
Installation and Operation, Battery Management System
2.2 MB
English
true
202179
Operators manual
Operator's manual
7.4 MB
English
true
208525
Workshop manual
Engine Mechanical Engine - Mechanical 5.0GL-A/B/C/D, 5.0GXi-A/B/C/D, 5.7GL-A/B/C/D, 5.7Gi-A/B/C/D, 5.7GXi-B/C/D/E
(Only available in printed version)
11.4 MB
English
false
203809
Workshop manual
EFI Diagnostics
(Only available in printed version)
62.2 MB
English
false
250054
Service Protocol
Service Protocol, new products in storage
126.0 kB
English
 

SeaEsta-12

Petty Officer 2nd Class
Joined
May 25, 2012
Messages
109
Thanks everyone! I was hoping it wasn't the 270HP motors.
Appreciate all the help and quick!
 

Scott Danforth

Grumpy Vintage Moderator still playing with boats
Staff member
Joined
Jul 23, 2011
Messages
50,478
the 320hp is rated at the prop. that would put it about 350hp at the crank
 
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