- Converting 525EFI rods to floating pins...
- Cam vs Exh Manifold vs Reversion
- need advice more power from modified 525sc
- whipple SC kit
- fuel lines
- Jetting
- 496 sea water pump question!
- Thermostat
- CMI Split Elbow Tops?
- Water in Gimbal area
- 496 Mag or Mag HO Spark Arrestor?
- 496 Mag HO Cams
- trim sender wiring
- 496 Mag Ho Heads (2 sets)
- ValakoRaceHeads
- Changing oil in jet drive on 18 Seadoo Challenger
- Oil Drain Hose
- Northern IL outdrive repair
- 496 Mag Ho Rpm Sweet Spot
- Water circulating pump re-build?
- exhaust reversion
- Which Gauges Do You Recommend?
- Small Block rebuild
- Fogging fuel injected big blocks for winterization
- Melting flappers and exhaust hose
- Water Separator/Fuel Filter
- Straight bottom V's X dimension
- EMI exhaust
- mercury oil filter
- Cam and Lifters
- marine carb selection
- Cigarette Gladiator
- mercathode
- drill size
- extention box
- info on aftermarket FI for 7.4L 330hp
- Ilmor Upgrade
- need help. 502 mag mpi
- speed hungry
- Questions about valve guides
- No Fire on a 540's
- Boat storage- shore power
- Help, question about an HP500EFI engine
- Poor idling SBC
- Engine alarm speakers/horn
- Boat stands/carts - where to buy?
- Gimbal Repair
- good intake for dart heads ???
- Tunnel Extension?
- XR Lower Gear Question?????????
- 1075 Merc what piston rings are used in it.
- Oil and Water Temp Gauges
- Biggest HP on pump gas?
- 598 vs 632 PROS CONS
- 496 Sea water pump question
- Hey Griff!!!!!!!
- 454 mpi more hp?
- XR / Imco vert shaft nut came loose
- Detenation Lesson Learned 620 Teague
- Jesel belt drive installation
- Ethanol
- Fogging Oil ?
- Looking for
- Need 575i Weiand Blower
- merc 1075 sci
- morel lifters
- 800 holley ???
- Drive options for a 38 T/S Top Gun
- Dry Sumping Motors
- SBC 383 Roller Valve covers
- Shopping for 35 Motion trim tabs
- paging Griff
- msd or crane box ???
- building a 454
- Polishing & Balancing Props
- winterizing a Sea Doo GTXS
- Pulling a 525EFI ?
- 525SC pulley's on ebay
- cam for 500hp carbed
- Help W/ Set-up
- freshening a 454
- Morel lifters
- Cracked prop
- stand off box
- Distributor for Dart Tunnel Ram
- Aluminum or cast iron on exhaust elbows?
- 502 carb intake selection
- rm builder
- winterizing a Honda aquatrax
- Lifter Valley Screen Kits??
- leakdown test
- Inverted Oil filter trick??
- Mobil 1 Special... for what it's worth
- Looking at boat with 502's
- Opinions on Headers
- 10W-40 Amsoil Marine Synthetic Motor Oil
- Crane HI6M box Question
- 525s V 575s
- nonadjustable to adjustable rockers
- Gear Ratio...1.36 or 1.50 ???? Which would be right for me?
- Sheered crank timing gear key
- 850-900hp what you think?
- 2" Shorty on a 26 Sonic
- Looking for input on RacePumps.com Pump??
- 525 cam specs
- Ebay Scammer
- need an engine builder
- hydraulic steering kit needed ???
- Fuel line size?
- seawater fuel pump ???
- Remove Engine
- Alum. Heads
- I need help with jetting and PV (509ci, 8-71, dual 800cfm, 825HP)
- Merc 502 Oil Cooler, Rear Mounting
- Time to add the whipple & Raylar parts to the 496HO
- Identify motor parts?
- merc part #
- Winterizing 454mag
- Closed Cooling
- Livorsi mechanical indicators
- Break in oil over winter storage period?
- 20 teeth broken off of my cam gear!!
- upholstery protection in storage
- EZ source for CMI gaskets?
- Gen VI oil cooler adapter
- Throttle and Shifter controls Checkmate 25 convincer
- Anyone try spinning a 350 mag mpi backwards?
- Anybody ever had this occur?
- 525SC question
- External Steering: Full power assist or manual helm?
- Blower recommendations
- how big can i make a bbc merlin block
- best fuel line hose prices / heat exchanger
- over heating issue 500 efi
- dennis moore book
- 1 melted piston
- Stereo remote cables
- Smartcraft boat w/525s
- 496 Raylar Upgrade questions Opinions Ray?
- ? On Triple's Prop Rotation
- 496Ho Oil change ??
- Who has the fastest V-bottom boat on OSO
- water in oil, compression test question
- Just getting my rebuilt motor back, engine oil thoughts.....
- Fuel Problem
- help WINTER time for Ilmor V10-
- Value of HP500's
- Why is bottom paint slow??
- Large c.i. naturals with downturns...
- 502 spark plugs
- Injector ?? 496 chevy(2004) quick, easy
- Water in cylender
- Oil / power steering cooler
- Oil Line Size HP500efi??
- Header Question
- Strange Thing Happened - Port motor won't shut off with Starboard key on & vice versa
- Looking for big exhaust tips?
- 502 with low compression
- Oil Filter Relocation on 496
- Stainless Marine Exhaust help
- Anyone know about this 37
- Power steering pump
- Dana Marine refuses to sell replacement parts
- Chargers
- Autometer GPS speedo
- Bravo transom Decal
- oil line routing
- merc racing blue engine paint
- 575 SCI Oil Pump Pick Up
- roller lifters
- carbon on pistons
- water in block
- 2007 Mercruiser 525 efi
- Highest Naturally Aspirated Torque? BBC
- CMI switch from IMCO cast Header?
- oil filter change
- Rocker arm geometry
- 496HO Fuel Filters
- 500 efi swap
- timing cover
- Trailer brake questions!
- dean gelner or raylar question . please...
- Brackish Water
- Brackish Water
- Paragon Transmissions
- Can you winterize a boat without starting the engines
- HP850 SCi....Boost?
- Quicksilver Digital Diagnostic Terminal
- Thoughts on 502 roller cams?
- Diesel Engines
- 871 questions
- Late 502 mag mpi
- which way does an oil filter flow?
- intake manifold gaskets
- salt water block cleaning
- 1.35 vs 1.5 ratios
- Putting on a new set of heads...
- 502 water in the oil help!!!!!!!!!!
- Perelli flooring
- 496HO Question for PMC555 Experts
- 525 SC service questions.
- oil cooler size,inner cooler plumbing
- base timing vs timing tables on mefi 3 or 4
- coupler
- Going synthetic
- thermostat housing
- Ohc Bbc?
- overseas shipping
- Water Pump type comparison?
- Reason for 0 pressure
- Mercury496HO
- 575sci Head Gasket ??
- Exhaust system ???
- More EFI to Carb Questions
- 540 engine builder
- timing cover
- Hydraulic Steering Question???
- Bigger Oil Cooler for 502MPI????
- Why doesnt anyone share tech info??
- Merc. 700SCI 600SCI Fuel Injectors
- Interior v.s. exterior steering mounts?
- Drive lube Testing
- x-dim - Improper Lingo?
- Quad Whipple Acting Up
- please help 502 water problem
- mechanical advance for my slow boat
- 502MAG EFI Synthetic oil
- Surveyors - Chattanooga
- cam selection
- head studs and bolts
- Who does extrude honing ??
- Sucking antifreeze through the drive
- Tach and Oil Pressure Flucuates 500 efi
- Alternator
- Remote oil filter block adapter ?
- Merc engine specs.
- aeromotive fuel pump
- Mechanical Fuel/Water Pump Leak/Fix??
- 500 efi oil temps
- Mercury 575
- new engine/blower combo no boost update
- roller lifter jam
- 575sci High Idle Question....
- Water temps (carbed 500HP) !!!!!!!
- sea water pump housing for fuel pump needed
- 496 Oil Pressure
- circulating pump
- crane 168731 hydraulic roller springs
- Replacing impellers
- Merc 525 Code Question
- Oil pressure drop??
- stock Merc 502 efi cam , do i need different dist gear?
- Exhaust Diverter Leaking
- Low vaccum - Can't find the leak - Anybody have advice?
- broken spark plug
- Short flame arrestor HP 500
- 496 ? Plug and Play help
- Differential Diagnosis on ignition brain
- HELP need GPS molex pin colors
- 502MagMPI conversion to Carb
- Inflatable Life Vests
- ZDDP replacement coming
- Royal Purple 15W-40
- Oil temp to hi, 540 w/blower
- The highest ZDDP Synthetic I can find
- Shell Rotella T
- Kendall 20W-50
- GM EOS Break-in additive
- The best ZDDP break in additive I can find.
- The best conventional 40wt I can find.
- HP 500 timing
- holley 800 vs 850 or 950
- new engine combo, no blower boost
- trailer weight
- Drives
- 575 sci HELP
- big block valve cover gasket
- O2 sensor in CMI Sport Tube exhaust
- Trailer brake questions
- Bmax Skeg
- 525's water in oil and headers
- transom assembly welding??
- Morels lifters
- exhaust identification
- Do I need to go to a marine specific machine shop???
- Break in oil?
- Bravo Urethane Ram Bushings
- What's a good SAE 40 wt conventional oil?
- Imco PS reservoir leaks
- Steering wheel replacement?
- Crank position sensor ?
- Hydraulic roller lifter
- Gen IV 465 to HP500
- 502 engine build
- rm builder
- 525 oil quanity
- Need last few MPH !
- 525Efi and Silent Choice?
- motor questions/opinion
- 1990 28 Warlock How heavy & how fast
- Whipple 496 HO
- Bavo shift cabl etool dimensions
- 575 sci fuel consumption
- 525's water in oil and headers
- Reversion
- Won't Start
- Want to supercharge my 454mag
- oildyne
- Vortec Heads
- crane 168731 cam
- Wanted 496
- Brass, copper fittings in Stainless strainers?
- Water Pickups
- Correct fluid to run in Drive trim pumps
- Dry Exhaust
- Hey SB saw your product on TV
- recommend mufflers for 600HP ??
- 454 to 496?
- 454 in 2550sx
- Dilemma: Blew up whipple 454- rebuild it or replace for family to use the boat
- Lightweight driveshafts?
- 575sci water temp
- Bent propshaft...
- 24 -26 foot catamaran designs (plans)
- computer reprogram for Procharger ?
- 502 Mag Maint.
- Determining correct Power valve??
- 525 sc's with 290 hours
- how to sell engine
- Need flex plate for Borg Warner 72C
- What to run in a towing vehicle?
- temp gauge
- trim/limit sender wiring
- Gimble ring
- Hull Prep
- stabil or sea foam
- 500 EFI Procharged lean #7
- Drive Temperature Gauges
- Tattle tale stuck at 70
- Ice Injection
- Bildge leak through drive????
- Generator, to keep of get rid of?
- 5.7 260HP overheating.....
- 454 Fuel Problems...I Think
- 500 EFI mechanical fuel pump
- 7.4 mpi timing
- Bleeding hyd steering
- MSD ignition amp defective
- No beeps when turning key!!!
- Popping sound
- Pushrod length
- I know this has been asked but....
- Max EGT
- Carb Jetting With Oxygenated Fuel
- help water in bildge
- 496 HO eeprom calibration
- aeromotive fuel system
- How many lbs of compression ???
- Oil coolers?
- Stuck hatch actuator
- Teague Motors
- Valve Cover Gaskets ?
- lexan windscreens and cabin doors
- 500 EFI vs 525 EFI Cost Justified?
- Paging Daredevil
- coupler bad?
- Gen VI 454 Engine Build Questions
- Bravo 1 HP limit
- bravo HP gimbal Help
- engine wont start (mercruser 5.7L
- School me on Hydraulic Helms
- crank question!!!
- Pair of 500 EFI w 130 hours How Much?
- Bell Housing Alignment Fixture
- Exhust muffled????
- nobody uses spark plugs
- paging Ben Perfected
- installing water pickups?
- paging Articfriends
- M-1 15W-50 ...My take?
- Kill the beasts!
- spark plugs
- Amsoil Severe Service 20W-50 is Gone..now what?
- boat covers
- Goodwin Competition Motors, Omro, WI??
- Crane Cam 134561 Feedback
- 500HP rebuild help..........
- trying to place an ad
- Merc PCM555 Experts?
- Boat setup question
- Drive Fluid
- Trim Pumps
- Year 'round StaBil?
- Side business - Online Book Keeping
- GPS Speedo
- Timing retarding itself?
- blown fuel pump fuse
- Best oil for endurance or gasoline dilution?
- Synthetic oil esters
- Switchable muffler question
- Looking for a SuperCat crank
- Thunderbolt Ignition Questions???
- water pressure W/imco shorty vs stock lower
- Carb help....
- Help me build a 383 stroker
- ?? on Obsession Power boats
- Classified Ad Issues?
- 500 efi upgrade
- 509 Merlin World Teague 620
- Griff
- distibutor
- trim fluid
- Oil Leaks IMCO valve covers
- bravo shift cable adjusment
- Thermostat
- GPS screen fades and dies
- comp lifters
- Electrical hook-up toggle swith
- Merc Cool Fuel System
- 496 mag throttle body
- alpha drives and big props??
- Propshaft dyno?
- need your help, New ECPC shirts are here
- Help I need 496 wiring diagram
- Raylar 496 upgrade
- Order Mobil-1 Oil Filters Here:
- Gauge Angle Rings
- rebuild and get more hp out of 500 hp carb motor
- Thunderbolt ignition
- Donaldson Oil FIlters
- What type of GASKET to use on the fuel sending unit?
- Barry Grant carb ?
- Iron Heads
- is it a parts boat now?
- 502 heads cam and exaust package?
- Spin On Oil Filter Magnets
- Blower for 502 EFI
- Mk IV internal balance flywheel question
- hustler 32 speeds?
- riser ??
- Wierdo question
- merc. out drive paint?
- Stellings Box Removal?
- Duramax 6600 marinised yet
- Fuel Consumption
- How to run water plumbing
- Bravo HP Gimbal ??
- Aftermarket mechanical fuel pumps???
- High RPM's
- 2 motors vs three
- Choosing props for a 29' Baja Outlaw?
- motors
- Battery question
- 454mpi upgrade
- water in boat!!!
- 496 HO trouble codes
- sudden RPM drop- fuel or spark???
- 502MAG and steam smoke from exhaust
- Gil Silent Choice Exhaust
- Higher ratio rocker arms and 6.2 MPI engines
- Possible alternator problem
- where is money best spent for mph
- Bravo XR UPPER
- HP 500 Diagnostic Help Needed
- Upgrade small blocks...
- Max Boost
- 96 502 mpi intake manifold??
- Oil cooler water routing question ??
- need wiring diagram for the 8 pin engine harness
- 700SCi GT-1™ High Performance Motor Oil
- Anyone running Diamond Performance Tabs? (= K-Plane)
- Looking for HP BOOK by Dennis Moore
- Drive Oil Fluid getting Hot
- My Idea of What An Oil FIlter Ought Look LIke
- OMC COBRA to BRAVO?????
- TRS slippage?
- 496 HO Headers
- 496 HO - hesitation/miss/lost rpm
- MSD are they improving them yet?????
- stellings box
- Anyone know this PS filter
- stuck oil filter - what a mess.
- Drive coupler
- Gen VI 502 MPI Intake Gaskets
- Who Mfg This Steering System ?
- Need two intake manifolds for Dominators
- Update to water in Cyl - Un-believeable!
- Affect of Higher Octane on Performance?
- external steering, pros and cons
- mechanical trim indicators
- Water pressure/ temp problem
- 500 efi mystery ?
- Cog drive for 2.3 Whipple ????
- Carb float level adjustment
- Fresh Water Cool kit?
- Fuel Pressure issue
- Water in #6 and a small shake - Best guess on cause?
- #6 drive service in Illinois ????
- Merc 525 Header Question
- Stainless, Brass, and Aluminum ....