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Of course there are other options including supercharging which can make as much as 800 hp but you need to be aware that the Bravo drive is always the weak link in the equation. Mercury Racing sterndrives continue to lead the marine industry with precision craftsmanship combined with state-of-the-art technology durability and reliability.
Mercruiser 82L Performance Specs.
Mercruiser hp 500 engine specs. The HP500 EFI from Mercruiser weighs 1113 pounds and is 39 inches long 34 inches wide and 22 inches tall. It has a bore and stroke of 447 inches by four inches along with a multiport fuel injection system featuring a high-flow throttle body to increase horsepower. Mercury redefined the way horsepower meets the water by building the first-ever V12 outboard.
At 500hp its our most powerful most capable commercial outboard yet. Heavy-duty components provide rugged reliability while a revolutionary steerable gearcase and automatic two-speed transmission deliver unrivaled handling and maneuverability. Mercury Racing sterndrives continue to lead the marine industry with precision craftsmanship combined with state-of-the-art technology durability and reliability.
The 500 EFI is the introduction to the big block racing machines for MerCruiser. Its used in APBA offshore racing as well as consumer boats. And antyhing else thanks 32 thunder rick.
It uses the Crane 731 cam it has 320-325 intake runners. The combustion chambers are 118 and they have 2250 Intake 1880 Ex valves. They have about 150 seat presure at 1900.
Both engines are available with 1361 or 1501 gear ratio Bravo One Drive or Bravo One Performance Drive options in either right-hand or left-hand rotation and are backed by a one-year limited warranty and a three-year limited corrosion warranty. 30 rows 500 Bulldog. The Merc Bulldog is an exceptional platform for upgrades.
Many of these were contracted to the military hence the overkill on the hard parts. Below are the specs on the engine. 5419 CID GM MK 4 tall deck cast 14044807 Block clearance to accommodate 4375 stroke Siamese Bore reinforced decks with blind head bolt holes.
Deck 102 2 pc rear seal. 525EFI added the following over the 500EFI. Forged 4340 connecting rods.
Screw on air filter. The 500 HP is a completely different animal as its the carb predecessor of the 500EFI. The most popular option has been to upgrade this engine to a 540-cubic-inch 625-hp naturally aspirated package.
Of course there are other options including supercharging which can make as much as 800 hp but you need to be aware that the Bravo drive is always the weak link in the equation. Hard to tell without opening up an engine. A cam with longer than stock duration will cause the engine to have lower cranking compression while higher comp.
Pistons will cause it to have higher. Add these two together and you might have the same cranking compression as stock. Cant you ask the original owner or mechanic.
Mercruiser 82L Performance Specs. Mercruiser 502 engine specifications including horsepower displacement rpm oil pressure ignition timing firing order etc. Mercruiser Big V8 Engine Specs.
Mercruiser 7482L Big V8 engine mechanical specifications including fastener torques and engine manufacturing dimensions and tolerances. 74L 454 and 502 Magnum MPI engines are equipped with a cast aluminum intake manifold with brass inserts. Mercruiser 502 MPI to 540 MPI 550HP Engine Upgrade Highlights.
Hand picked 502 Gen VI block bored to 4500 Cylinders are plateau honed to within 0002 straightness and roundness. Hp 500 carb specifications shs-93-05 22-oct-2001. Important information regarding setback systems shs-93-01 22-oct-2001.
Ignition system advance curve shs-94-02 19-oct-2001. Hi-performance mercruiser oil recommendations shs-94-08 19-oct-2001. Changine oil thermostat shs-95-05 19-oct-2001.
Rich idle or loading up of hi-performance engines shs-95-08 19-oct-2001. Drill down to the horsepower liters or outdrive model serial number range and component section to get an online inventory of original and aftermarket Mercruiser boat parts. We carry parts for Mercruiser inboard Mercruiser stern drive and Mercruiser outdrive.
Choosing the Correct Parts. 275 hp 200 hp 175 hp 150 hp 135 hp 115 hp 100 hp 90 hp 75 hp 60 hp 55 hp 50 hp 40 hp 25 hp 20 hp 15 hp 99 hp 8 hp 5 hp 4 hp 3 hp 25 hp 1992 275 hp 200 hp 175 hp 150 hp 135 hp 115 hp 100 hp 90 hp 75 hp 60 hp 55 hp 50 hp 40 hp 25 hp 20 hp 15 hp 99 hp 8 hp 5 hp 4 hp 3 hp 1991 275 hp 200 hp 175 hp 150 hp 135 hp 115 hp 100 hp 90 hp 75 hp 60 hp 50 hp 40 hp 25 hp 20 hp 15 hp 99 hp 8 hp 5 hp 4 hp 3 hp. Maximum RPM WOT 4600 - 5000.
447 x 400 1135 x 1016 mm. Unleaded Regular 87 Octane Minimum RM2 or 90 RON 10 Ethanol Maximum. PCM 09 with SmartCraft CAN capability OBD-M diagnostics Dual oxygen sensors.
The motors gear ratio is 231. Only three gears are available on this outboard motor – forward neutral and reverse. The Mercury 50 hp outboard is capable of producing 5500 to 6000 rpm.
The total weight of the outboard motor is 255 lbs. When dry and disconnected from the mounting frame. Mercury Marines New Engine has Power to Spare.
Mercury MerCruisers new 62-liter V-8 300hp and 350hp sterndrive engines which are purpose-built specifically for marine use deliver increased power and torque while providing a remarkably quiet and smooth ride. Mercury Marine Unveils New VesselView Engine Displays. 24 HP - 30 HP.
40 HP - 115 HP. 115 HP AND ABOVE. Power 440 HP 328 kW Full Throttle Range 4200-4600 RPM.
Displacement 540 CID 89L Engine Type 89L Mercury V8 Iron Block Remanufactured Heads. Bore Stroke 450 X 425 114 mm X 108 mm Compression Ratio 861 With Forged Pistons. Rocker Arm Ratio 171 Stamped Steel.
Mercury Mercruiser 500EFI Engine Upgrade Kit Parts Only Highlights. Our High Performance proven DART Pro 1 or AFR Aluminum Marine heads have the combination to maximize your engines horse power. Take your 500 EFI up to 625hp at a fraction of the cost of total engine replacement with our state-of-the-art inhouse built DART Pro 1 or AFR.