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1971 Magnum Sport

Stuart, Florida

$74,900

This Magnum has had a total refit and must be seen to appreciate the time and work that went into this boat. If you are looking for something fast, great condition and ride then this is one to see,Boat is located at owners house on trailer and is easy to see. Please let us know if you want any specific pictures of this Magnum.

Disclaimer

Thunder Marine is pleased to assist you in the purchase of this vessel. This boat is centrally listed by OCEAN5 YACHT SALES INC.

Basic Boat Info

Make: Magnum
Model: Sport
Year: 1971
Condition: Used
Category: Power
Construction: Fiberglass
Boat Hull ID: 27739
Has Hull ID: Yes

Dimensions

Length: 27 ft / 8.23 m
Length Overall: 27 ft / 8.23 m
Beam: 8 ft / 2.44 m

Engines / Speed

Engines: 2
Engine #1 Specs:
  • Make: Mercruiser
  • Model: 496 Custom
  • Fuel: Unleaded
  • Engine Power: 600hp
  • Type: Inboard/Outboard
  • Engine Hours: 23
  • Engine Location: Port
Engine #2 Specs:
  • Make: Mercruiser
  • Model: 496 Custom
  • Fuel: Unleaded
  • Engine Power: 600hp
  • Type: Inboard/Outboard
  • Engine Hours: 23
  • Engine Location: Starboard
Total Engine Power: 1,200hp

Tanks

Fuel Tanks: 1
Fuel Tank Capacity: 104 gal

Other

Boat Class: High Performance Boats, Runabouts, High Performance Boats

Accommodations
  • Skater Bucket seats
  • Removable back bench seat
  • All new upholstery and interior has Livorsi grab rails
Mechanical/Electrical
  • Cruise speed 50+ and top speed 90+
  • After refit entire boat and motors have about 23 hours
  • Motors broke in and set up on Dyno. 454C.I. bored and stroked to 496 with 10.25 compression. Runs on 92-93 octane fuel. 
  • Motors built by Simonek Performance (Farmingdale, New Jersey
  • Eagle 4130 stroker cranks
  • Eagle SIR-H beam rods
  • SRP forged pistons, Lunati cam shaft,  springs, shims, retainers, locks, etc.
  • Jessel rocker shaft assemblies
  • 1.7 ratio rockers racing head service #11301 heads cast iron Manley Severe Duty Stainless Steel Intakes and (Inconel) exhaust valves
  • Complete ARP fasteners and studs through out engine builds.
  • Merlin #063034 brass water jacketed intake manifolds
  • AED 4150 850 CFM marine carburetors and Holly 110 GPH fuel pumps
  • ATI super dampers #65750 HP fuel pumps
  • Cloyes timing chain cover and pointer assemblies
  • Canton Marine 10 qt oil pans
  • Mercury Bull dog 500 thermostat controlled oil coolers and remote filters,ect
  • Harding all 316 stainless steel sea water pumps and Harding swirl away strainers and circulating pump , stainless steel crossovers and thermostat housings.
  • Drives:
  • Bravo HP's with low water factory pickups. Predecesseor of Bravo XR drives; also Bravo HP transom assemblies
  • IMCO hydraulic power steering
  • Stainless marine Manifolds and dry stainless steel long tube risers
  • Bravo I, four blade lab finished 30 pitch propellers
Deck
  • Full cover
  • Cockpit cover
  • Boat was totally disassembled, removed all bulkheads, deck cap , transom floor, ect.
  • Reconstructed and modified deck cap and totally recored, installed new transom.
  • Floor is all new with full height herringbone type support system between stringers,bilge bottom and floor bottom
  • Fuel tank compartment are all reinforced with layers of Kevlar, bilge in that area is isolated from water with bulkhead to bulkhead PVC piping under the new ceramic coated fuel tanks with 1/2" fuel line throughout.
  • The aft stringer system totally re-engineered for strenght and high X dimensios an 34" centerlines with Mercury solid off sure mounts creating another bulkhead under motors.
  • Bulkheads all new with one extra bulkhead up by bow area
  • Aft bulkhead increased in size to 3/4" and all bulheads glassed in full circumference.
  • The hull was turned upside down extended inner strake approimately 18". Bottom blueprinted and all strakes knife edged. 
  • Entire hull faired and re-gelled. the entire deck cap gel coated, hull righted, deck installed and glassed to hull full circumference plus deck to bulkheads, ect.
  • Hull sides painted with Polyester Urethane, Hugger Orange and entire deck cap in Snow White for ease of maintenance.
  • Wiring is 100% new and done with Anchor Marine grade tinned fine strand wiring.
  • All Livorsi instrumentation along with zero effort controls. Mechanical trim and tab indicator panel by Livorsi Kiekhaefer 280 Trim Tabs and pumps.
  • All new Taco rub rail with stainless steel bang strip.
Trailer
  • 2012 Continental 12,000 lb torsion axle 16" wheels and tires.
  • Hubs, bearings, seals rotors, calipers, pads, LED lighting and wiring all new plus new actuater.
Additional Information

Looking for a Magnum as good as new then this is one to see.

Disclaimer

The Company offers the details of this vessel in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. A buyer should instruct his agents, or his surveyors, to investigate such details as the buyer desires validated. This vessel is offered subject to prior sale, price change, or withdrawal without notice.

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