- New roller 502-peak HP, prop question
- Oil Pressure Problems
- sea watermounted fuel pump conversion help!!!
- 200 volvo dpx500 idle problems
- whats next for my 454's?
- 500 efi problems
- Best method to add O/B steering oil
- Troubleshooting Merc 25hp ignition
- Engine Guru Help Needed
- More Pro Charger tuning Progress and AFR RAtios
- Cog Drive Pulley Setup for M-3 Procharger
- Solenoids for K-Planes
- Oil Pickup Placement
- anyone have a 575 sci mercury engine for sale
- New cam time?
- Anyone know this boat???
- Idle Issue
- Can a Gen 5 & Gen 6 head be used together on Gen 6 block?
- Steering reservoir ?
- Yanmar 6LY2STP
- Source for 525SC water circulation hoses?
- 87 Stinger 260 Advise
- siminek performance
- WANTED...Rinda/Techmate/Merc scantool for 496HO's
- Motor/boat cursed?
- 496HO Beep-Beep alarm....then
- Oil Leak Repair
- Hardin marine-class act people
- steering replacement
- Av Gas question??
- Need Help With Guage Benzels For a 87 Scarab 1
- GOODT --time to "Man up"
- IN handle trim switch
- Merc 525EFI Long Block
- Gas tank purging...
- Lightning headers
- Baja's And No Step Bottom...
- Water pressure
- 2000 32' Sunsation Dominator dash panels
- Spicer Part Numbers
- Royal Purple Drive Fluid
- Crane HI-6M Advance Setting???
- CMI headers
- trim tab indicator
- RMP redline on 93 502?
- raw water pickup question
- cmi air pistons
- Outdrive Question
- Confessions of a supercharger install up-grade, re build and re-build again
- 575 Sci
- Dead Short or Miss,
- Power steering problem
- dana marine flow torque exhaust 496Ho
- Exhaust setup
- Vovlo Penta...no voltage to ignition coil
- merc 1075 drysump start up..
- Wedge Spacer for Carb???
- Water pressure acting up - Can any one shead some light?
- Morse cable ends...
- Mercruiser OEM Parts
- Speedo Problem!
- Bulldog surge brakes
- Merc. Cap & Rotor or MSD Cap & Rotor
- 188 heads on a 540?
- Exhaust Maifold Gasket
- Cracked 502 head! Anyone have a set to unload?
- 2" Livorsi mechanical water pressure gauge
- Problems w/ 502 MPI?
- ProCharger tips.
- Jim in Michigan City
- Need help 86 Formula 350 EFI's...
- Price for 383 merc crate motor and details
- Alpine radio remote
- 500 EFI Fuel Pump Problem
- 100 hour service?
- PLEASE! Need 350 sbc help asap.
- total advance on a 550 hp 502 motor?
- cooling backflush after impeller destruction
- 502EFI exhaust valve seat broke, rebuild time!
- douglas marine supply??????????anyone?
- Drive Pump Hose Fittings
- Formula (ex: HP X Prop, etc =MPH)
- 1998 Mercruiser 7.4 L EFI Timing
- Aeromotive 1000 stoped working
- trs rubber boot question
- Prop Swap
- Anybody have there torque wrench calibrated??
- Does someone recognize this black box?
- Compression on 5.7 EFI
- 500 EFI Spark Plugs
- Water Pump Impellor Change Out
- Gaffrig service?
- Pistons ???
- new coated race bearings any good
- Kiekhaefer dual trim switch kit
- How to Flush Oil Cooler--Best Away???
- help Rpms all over the place
- Hey guys
- How low is too low for oil, temorary foul up???
- How do I advance cam with 3 way cloyes timing chain, SBC
- Extended Warranties
- 496 Problem...
- bravo labbed 24 4 blade throttle up
- Anybody have one of these for sale?
- Looking for any info - setback boxes
- Ozarks fuel ?
- Speed loss
- Overheating problem.
- SBC connecting rod help.
- Gil risers (magnum choice risers) wanted
- Warning Indicator Lights
- 96 Scarab fuel tank problems?
- Overheat - How hot is too hot?
- 525 SC Popping
- Bravo 1 trim wires???
- Aluminum Heads In Salt Water???
- Replacing and Alternator
- Are my heads holding me back????
- Out drive corosion help
- Tach Sender
- Gen 5 or 6
- Water problems after blower install..help
- lightning water jacketed headers
- acid to clean bottom of boat ????
- 500EFI - .040 Vs .035 Plug Gap
- Can Gen VI Tall Big Block Chevy be Swapped for 496?
- Headers for 496HO
- Fuel delivery problems
- Blue Run-dry Impeller Fit/Performance
- Please Fill Me in on Mercruiser Seawater Cooling Systems
- Help,I'm sick of this boat already!
- Is compression really necessary ?
- crosstech machine ??
- Pcm 555 Fault Code Specialist Needed
- 454 Mag Mpi 540 Easy Hours, Blower Time???
- 350 Mag fuel issue
- Headrests
- what SBC head to run?
- Bow Railing Bezels
- Boat starting problem...help please
- mefi tuning finally available to everyone-CHEAP
- Drive showers for Bravo XR
- What is acceptable from Carillo?
- 496 offshore mounts
- What plugs should I use 525EFI
- New intercom system, too much wind noise
- Transon Exhaust Hole Standard?
- Fuel line size...8 AN
- Baseline jetting
- Dum enough to have installed a flywheel backwards
- holley 4010
- CMI header/tailpipe flange corrosion problems
- remove/clean fuel fitler seadoo gtx
- Intake and Head bolt Torque specs for 502 MPI
- oil pan gasket
- Guages?
- XR Drives
- 500 Efi
- Exhaust silent choice diverter temperature?
- Water pressure?
- Voltage drop when thru hull exhaust open
- oil fittings
- ticking noise at low RPM
- the most common reason your oil is milky.....
- Leak Down Testers
- Changed my Barry Grant 750 to 850 and now have a stumble
- Drive-line length
- Bronze distributor gear install ?
- Best vinyl for seat upholstery
- octane and timing
- steering question
- wanted Gil 6" rise tailpipes
- Question for Raylar - 496 Cast Piston HP/.rpm limit?
- Trim Gauge Sender - Swap
- gil exhaust
- 525 Merc backfiring
- 454 aftermarket intake?
- looking for 500 hp's flame arrestors
- trim pumps
- Merc 383 stroker
- Problems with 1996 Sea Doo Challenger.
- trailer ?
- Fuel pressure???, stock 500's
- 496 Eratic performance
- Oil Temp Too High 250-300
- 454 mpi engine temp question
- tweeter/crossover marine seperates
- Need Help finding Good Deals on Marinizing Parts
- A few questions
- High Compression and Cam Choice
- Looking for supplier of GM 383 HT 325 HP
- SBC Water pump?
- Car automatic tranny mechanics onboard?
- Ideas to remove stains from cockpit vinyl?
- Leaking Silent Choice
- Any HP guesses before it goes on the dyno next week?
- Stupid question,, trim cylinder white nylon busing
- cam selection
- Water (circ) pump failure
- stock carbs for 00' 500 hp's ? holley ?
- What Crank to buy
- Fuel pump Priming?
- distributers
- exhaust steam
- Plug wire differences?
- Edelbrock Aluminum Heads
- Mercathode on outdrive
- Sea water cooling
- Bent Skeg/lower bravo swap?
- Oil line size.........Help
- Solid roller lifter on a hydraulic roller cam
- Dana Tabs
- Shortie lowers
- Borg/warner tranny Q's
- Need help with jet size
- T-stat housing issues
- Thunderbolt 4 module needed V8-20 or V6-14
- 454 Mag rebuild
- Dielectric grease VS water proof grease
- 7.4 MPI Bogging under load
- crossovers
- deal fell thru - need pair weiand 177s
- Engine alarm question (Volvo)
- HP 6A question
- Trim switch
- Where to ground Amplifiers?
- Hatch Actuator
- stand off boxes
- Sea Pump delima
- GPS Speedo 1998 Fountain Fever 27
- Silent Choice/ Captains call install
- Really need your help with 350 mag replacement engine??
- Help, Valve seats coming out on both motors?
- 496 wiring diagram
- Third battery
- need help
- Stock 496 heads
- Please, help me build new engines.
- 502 mpi shutting down at 5150rpm
- Bravo internal shaft coupler?
- What's the BEST Long Tube header ??
- Battery/Starter Wiring ...
- Inner transom plate
- Dead Optima CTEK charger?
- oil temp climing
- Actual Torque #'s for prop nut.
- Trim Cyl Rebuild
- Mercury 225 4-strokes??
- I owe all an apolegy
- I owe all an apolegy
- I owe all an apolegy
- Hull vibration when coming on plane
- Wiring Help!
- Wanted !!! 496 Ho Cam
- Fuel line ?
- Holley Carb 800 CFM electric choke?
- bow rail
- Another fuel question- EFI fuel filter? Can I use my stock merc filter or not?
- Maryland salvage yard
- Oil preasure ????
- out drive bearings
- water flow problem SBC Alpha Gen I
- Bad valve cover thread
- Anybody Built There Own Oil Pan
- Fuel Pressure sender question?
- SBC Exhaust
- Steering actuator
- MAT Sensor question
- Which water pickup for intercooler?
- Dominator 1050 spark arrestor
- stereo amp speaker wiring/power wiring
- Quadrajet question
- Exhaust manifolds
- Wanted 500EFI lower intake manifold
- Jetting after installing 250 blowers with 850 Barry Grants
- 500EFI Flame Arrestors - Options other than K & N
- Battery switch and charging question
- sten power surface drives
- Pistons for Merc575SCI
- Any reaso not to pressure wash?
- Who Makes Headers For New "ls" S/b ??
- 454 Advice Needed
- Electrical parts and longetivity....
- Charging Voltage
- 502 EFI injectors.....
- 30 Outlaw, 28 Pantera or 31 Sonic SS
- BIO Clean cleaning products yes/no
- Help Please Gen VI Timing gears in Mark IV
- Procharged 496 cooling
- MSD Shift Interupter on Bravo 1?
- Poor water circulation??
- Mercruiser 454 or 7.4 Serial numbers
- Does anybody know or have the cam specs
- oil leak
- Gill Exhaust gaskets
- Trim Tabs?
- Exhaust Tips ??
- Wanted...slightly used exhaust manifold
- Best Catamaran Hull 40'-50'for racing?!?
- Water Temp Sender
- 500EFI or 525EFI
- Anybody Use Dana's Welding in Fort Meyer's Florida for custom fuel tanks ?
- cable question
- Anyone know a good upholster?
- Latham Steering Help
- Flywheel Housing Mounts
- 496 fuel injector individual replacement?
- Anyone have 2 KPM Seawater Pumps?
- 27 Excalibur?
- CA Welder for high perf. block
- 3/8 stainless line with NPT ends??
- engine survey in sarasota?
- Switch back to mechanical fuel pump
- Erratic oil pressure find
- Going from thunderbolt V carb to EFI- what distributor to use? (MSD or Merc)
- 3/8" fuel line feeding a whippled 454?
- water in motor?
- Where can I find this piece?
- What timing light do you use?
- best place to purchase livorsi gauges..
- Dock Flotation Question
- Corsa Tunable Exhaust Tips
- steering
- Need 16 rib blower belt
- Need Timing Cover Install Help
- Need Help Please!
- 525 closed cooling question
- mx 6.2 mpi cuts out
- Gellner engineering
- Billett fender holders
- No Fire/no Spark Thunderbolt
- Gimbal Ring Repair Made Easy
- Older b&m pulley needed
- Wind Deflectors for Cats
- outboard guru's ?
- Looking for custom cover for c/c
- Looking for a 496 engine cover
- 496 HO, closed cooling System?
- Ford V10 sparkplugs
- Big strokes break drives ??????
- 496 Dyno testing and myth busting!
- Glue removal
- engine set up help
- SBC crankshaft part number question...
- engines
- Exhuast Leak
- Blower help, ideas
- Source for large stainless cushioned clamps?
- ring gears on flywheels
- Faria gauges.
- little kid wanting to join big boy's
- Scorpion Rocker Arms?
- Inconsistant dyno readings
- trim pump problem
- Preventing Valvefloat
- square port heads round port intake
- Ethanol
- Best two-stroke oil??
- Eliminator 25 Eagle cuddy door installation......
- HOBBS LOW FUEL PRESSURE SWITCH SET UP & installation.
- How long will my bravo last???
- Fuel pump line ?
- Optimum Air/Fuel Ratio for Supercharged Motors
- Pros/Cons 383 vs. 454
- Helmets Where?
- New Gauges... Gaffrig? Livorsi? or Auto Meter Marine?
- 496HO Not Spinning up...
- Diesel & Baby Oil....
- 496 raw water pump leaking
- Comparison - Volvo 502 / 8.2 GSi EFI Wiring to Mercruiser Plug
- 496 stock manifold question!
- CMI TPS Headers
- Starter Advice
- Need Speedmaster VI transom cut template
- Need advice on transacting sale of boat.
- 600 Sc's idle problem
- Identify a cable crimp?
- more 454 power
- any power for 6.2's
- Valve Covers
- broken valve springs
- Drive Weight
- 2000 HP500 Carb Motors
- drive spec. ph#
- Proper Octane?
- Interstate Batteries Lime Green Tops...
- Dead Batteries-Can't Open Engine Hatch
- best deal 502
- 750s Built by corba ?
- Best repower for me????-38 scarab
- 5.7 Mercury Internals
- 525efi's Lifter issues???
- Stellings Headers.. Anyone know what model?
- Single hyd assist streering to full hyd
- Rollmaster timing set.
- OK guys, the motors are out.......
- Vee Or Cat Hull
- Oil Priming a Mercruiser496
- amplifer question
- mystery boat
- Mounting A/C unit
- Composite or bronze disributor gear?
- Anyone break a valve spring because they..
- WTF...water in the cylinders
- CMI Header Testing
- Junk In Carb....What is it?
- Alpha SS in paper today for $1,500. Is it worth it?
- Back Seat Wood/Plastic structure material
- Hydraulic Steering - Single Ram - HelpAny
- Electric or manual fuel pumps?
- Starter needs replaced?
- what are these cranks worth
- D. Simon Offshore Engines
- SBC Cam question.
- Can anyone help with some advice?
- How do you get the water inlet hose off a Bravo Bellhousing?
- HP500. Reguler unleaded or super unleadedgas????
- need lightning header gaskets
- 502 help please
- Hp 500 heating problem
- Mold on seats, boat out of storage.
- Bill from diamond performance, awesome!
- Keith black Pistons??
- Ink pen stain
- wind deflector???
- Bravo 1~ Can't buy individual parts any more!
- 572 Engines what differant
- GM pistons?
- 496 Magnum Flame Arrestor
- Looking for a Faria 3-3/4" speed.
- please help, who can make this for me?
- Why starter solenoid and slave (relay) solenoid?
- trim tabs
- Upholstery order
- Cam Question LSA?
- Looking for fountain seats
- Where u storing boat fenders?
- Outdrive Upper Gear Alignment
- Best place to purchase Kaama drive...
- In-line Mufflers
- SeaFoam in Crankcase
- cheapest price are this parts.
- Oil change question!
- Hp ? ?
- Alpine4/3/2 amp help
- Transmission alignment to bellhousing
- Rod ratio with 9.8 deck BBC
- best thing to coat inside of oil pan with????
- 496Ho, new dana marine exhaust, holly geeze:)
- Baja 226 exhaust
- Need help jetting a holley
- EddieMarine contact name
- I always thought 6's were unbreakable???
- Required internals for 6 psi?
- Where to buy Hydraulic steering hose?
- MPI to Carb Wiring Harness
- How hard is it to replace a gimble ring when the engine is out of the boat?
- Who Has Ggb Mufflers?
- Outdrives out of adjustment???
- drive rpm
- Name, Phone, Kenner, Louisiana engine builder
- impeller on 525efi
- octane boost vs 100 no lead race fuel
- who has drive bottom painted silver - How to
- need best stereo recommendation for $400
- Any Automatic Fire Extinguisher Suppliers??
- Remote drive trim switches/stereo remote
- Stock 330's Rocker Arms??????
- anyone have an MSD 6M-2 box
- anybody run this oil pump
- 502 making 600hp do I upgrade the oil cooler?
- Anybody using MSD-5468 Rev Limiter w/TB IV
- Billet Pulleys
- Issues w/CMI Sound Elimination Mufflers ?
- Group 30 battery box's
- Ideal r.pm.
- 525efi thermostat ????
- Cooling water restriction
- Can a 496HO Freeze Damaged Heat Exchanger be Repaired?
- 500 EFI Computer value?
- Dry sumo # sixes
- Need help diagnosing valvetrain noise...
- Bravo Upper Gears - Shimming?
- 1.6 BBC Rockers
- Water Senders
- Nose Cones Again??
- AFR Heads
- converting std. bravo low water pickup
- MSD Ignition System
- Please assist: Need template for Livorsi\Latham drive shower installation
- Distributor gear question... SBC
- SVR batterys
- 496 Y-Pipe
- Fuel tank cleaning?
- K Plane Actuators
- 496 HO wiring diagram
- Full hydraulic steeringi hose diagram?
- Where to get external fuel pump block off plate?
- Kaama Surface Drive Parts?
- Opinion of stock Chevy rod Strength