31' Formula 310 Bowrider Bowrider

Steering System
Joystick Control
Standard Features

Exterior Features

• NMMA Yacht Certification
• 10-year Structural Warranty
• Imron® Graphic w/Cockpit Accent Striping
• Pressure-treated Perma Panelââ??¢ Structural Hull Matrix
• Foam-filled Hull Cavities
• Chemically Bonded & Thru-bolted Deck-to-Hull Joint
• Heavy-duty PVC Gunwale w/Stainless Steel insert
• Concealed Fiberglass Anchor Locker
• Stainless Steel Hardware & 316L Stainless Steel Welded Rails
• Eight Custom Formula Logo-cast Cleats
• Stainless Steel Fuel Fill w/Integral Vent
• Polished Stainless Steel Engine Vent Trim
• Two Polished Stainless Steel Portlights w/Screens
• Continuous Tinted, Tempered Curved-Glass Windshield w/Stainless Steel Top Frame & Center Walk-thru
• Windshield Wiper
• Air Horn
• 316L Stainless Steel Transom Grab Rail & Ski Tow Eye
• Clarion® Waterproof Transom-mounted Stereo Remote Control
• Two Transom-mounted 6 1/2" Marine-grade Stereo Speakers w/Polished Stainless Steel Grilles
• Starboard Transom Trunk Storage & Two Fenders
• Extended Integrated Swim Platform w/Concealed Stainless Steel Swim Ladder & Pull-up Cleats
• Transom Shower

Cockpit Features

• Continuous Molded Cockpit Liner
• Complete Livorsi® Illuminated Instrumentation, Domed w/Chrome Bezels
• Dash Panel-mounted Ritchie® Compass
• Digital Depth Sounder
• Garmin® 536 GPS Navigation System w/Color Chartplotter
• Livorsi Chromed Shifters/Throttles w/In-handle Outdrive Trim Switch
• Safety Ignition Stop Switches w/Tethers
• Tilt Steering Wheel
• Lockable Under-dash Storage Compartment
• Auxiliary 12VDC Outlet
• Bennett® Trim Tab Switches & Indicators
• Fingertip Outdrive Trim/Trailer Switches
• Illuminated Waterproof Accessory Rocker Switches w/E-T-A® Circuit Breakers
• Clarion® AM/FM/CD Stereo w/Waterproof Dash-mounted Multi-feature Stereo Remote Control, Six 6 1/2" Marine-grade Speakers w/Polished Stainless Steel Grilles & 360W Stereo Amplification
• IPodââ??¢/MP3 Port
• Seventeen Polished Stainless Steel Drink Holders
• Cockpit/swim Platform Blue/White LED Courtesy Lights w/Hand-held Remote Control
• Integral 316L Stainless Steel Safety Rails
• Weather-resistant Cockpit Seating featuring PreFixx® Coating, Tenera® Element-resistant Thread, DriFast® Foam & StarLite® XL Synthetic Marine Panel Construction
• Twin Command Seating w/Dual-position Helm & Companion Seats
• Port Lounge w/Integrated Dive Tank Storage
• Modular Bow Seating/Sunpad System
• Starboard Gear Storage Locker
• Dedicated Starboard Storage Locker for Bow Seating Filler Cushions
• Forward in-floor Wakeboard Storage w/Automatic Bilge Pump
• U-shaped Aft Lounge Seating w/Storage
• Dual-height Cockpit Table w/Filler Cushion & Four Polished Drink Holders
• Aft-facing Sun Lounge w/Storage Below ââ?¬â?? Converts to Full-length Sunpad
• Molded Wet Bar w/Integrated Sink, Corian® Countertop, 24-quart Igloo® Cooler, Trash Container & Integral 316L Stainless Steel Safety Rail
• Demand Water System w/29-gallon Capacity
• Fire Extinguisher
• Disconnect Switches for Auxiliary & Starting Batteries

• Battery Parallel Emergency Switch
• Custom Patterned Cockpit Carpet
• Pneumatic-assist Transom Door
• Bow Tonneau & Cockpit Covers in Color-coordinated Non-fading Sunbrella Acrylic Fabric w/SeaMark w/Vinyl Undercoating

Cabin Features

• Curved, One-piece Locking Door
• Molded Head Compartment w/Vacuflush Head Unit, 36-gallon Holding Tank & Dockside Pumpout, Molded Vanity, Stainless Steel Sink, Corian Countertop
• Light Woodgrain-finish Flooring
• Sliding Opaque Window to Cockpit
• Carbon Monoxide Detector

Engine Features

• Twin Engine Installation
• Motorized Hatch Lift
• Courtesy Lighting
• Fume Detector
• Automatic Fire Extinguisher
• Thru-bolted Engine Mounts
• Two Marine Batteries w/Retainers
• Active & Passive Galvanic Corrosion Protection Systems
• Bilge Blowers
• Automatic Bilge Pump
• Bilge High Water Alarm
• Bennett® Hydraulic Trim Tabs
• Stainless Steel Props

• Lewmar Windlass
• ICOM VHF Radio
• Garmin GPS

Specs: Volvo Penta V8-380

• Horsepower: 380
• Displacement (liters/cu. in.): 6.0/364
• Cylinders: 8
• Drive: Duoprop DPS

Key Features

•  Standard freshwater cooling
• Variable valve timing
• Six-bolt main caps
• Aluminum cylinder heads
• Inconel exhaust valves
• Catalyzed aluminum exhaust

From Boating:  Working closely with General Motors Corp., Volvo Penta took the new 6.0-liter fourth-generation V-8 truck engine and created a more fuel-efficient, lighter, quieter marine propulsion system with great durability and maintenance features.

ââ?¬Å?GM is always exploring ways to reduce noise, harshness and vibration (NHV),ââ?¬ï¿½ explained Mel Cahoon, manager of Volvo Pentaââ?¬â?¢s engine engineering. ââ?¬Å?The gen-4 engine gains structural rigidity and low NVH with its deep skirt block with six-bolt main caps.ââ?¬ï¿½

Most experts consider a six-bolt main cap securing the crankshaft the strongest design. GM also incorporated a high-flow aluminum cylinder head to reduce weight, Inconel exhaust valves for greater durability and cam-phased variable valve timing (VVT) that creates a flatter torque curve, thus optimizing low-rpm torque and high-rpm horsepower and resulting in faster acceleration and higher top-end engine speed (6,000 rpm) while enhancing long-term durability.

Making the base engine suitable and compliant for use on a modern sterndrive, Volvo adds a high-flow aluminum exhaust system utilizing the latest catalyst technology. With two oxygen sensors, one at the intake of the catalyst and the other post-catalyst, Volvo�s system optimizes the torque and power over a range of fuel grades. In addition, Volvo was able to achieve exceptionally low emissions that are virtually odor-free with a 95 percent reduction of carbon monoxide at idle.

Another plus is that Volvo engineered a completely closed freshwater cooling system to protect the engine and manifolds from corrosive effects of raw water. Closed cooling also makes winterization simpler. A heavy-duty oil cooler heats the oil at low power and cools it at high power, regulating temperature to optimize viscosity and reduce the opportunity for condensation.

To find out if there might be a replacement for displacement, I tested two identical Formula 260 SS sport boats, one powered by the 6-liter V8-380 and the other by a 380 hp 8.2-liter engine. The V8-380 out-accelerated the big block, posting a 28 percent faster time to plane. Fuel consumption was virtually flat from plane to 30 mph on the V8-380-equipped boat and significantly better on all ranges when compared with the boat powered by the 8.2.

Note that the V8-380 weighs 926 pounds (1,076 with drive), about 150 pounds, or one crew member, fewer than a big block with comparable horsepower.

offered by
InterMarine
email: sales@intermarineboats.com / www.intermarineboats.com

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