- KPM super Slim Pump Release brought forward thanks To OSO Forums
- Options for blower replacement 575SCI????
- Mercury/Quicksilver Spanner Wrench... B1 Trim Cylinder End Cap Removal
- Nice flat powerband. . .
- help me build a car 454 motor for my nova
- Any news on the new Merc 750 and SSM drive?
- Looking for Mercury 3.0's
- Fuel Problem ?
- Header Gasket Recommendation
- Does anyone recognize this boat?
- Bravos & nosecones
- Broken XR upper case.
- Edelbrock airgap RPM vs. Victor. How to protect against salt?
- Looking for TRS Tailstock
- good upholstery shop in SE mi?
- Removing carb spacer on 454 mag: HP loss?
- BARRY GRANT 825 CFM worth
- How much power for a Bravo 3
- Water pump impeller broken. Help!
- Procharger: blow through carb vs. EFI
- Procharger & standard exhaust?
- Anyone know a trick on how to put an XR back on??
- AZ Speed Intake vs. Merc Intake
- Vibration when turning
- My jeep threw a couple of codes, need help figuring it out
- 320 EFI matted to a Alpha One drive
- Big engine probs,advice needed
- What would you set timing at ?
- Question for Raylar
- Were to buy Epoxy/Fiberglass Supplies in OKC
- How to make a sea pump run dry???
- Molded foot well
- Installing a New Transom Assembly?
- casting number help on sbc
- TRS gimbal question
- Florida Engine builder
- Questions about 500 HP valve springs
- what to do to keep Bravo 1 alive at 525hp?
- Anyone have a used set of gill like HP500 exhaust Manifolds?
- Is changing the 500hp valve springs a do it yourself thing?
- New mild power - go local or...
- Help W/ Alpha one
- connector kit
- Largest Prop to Swing on Speedy II?
- Alpha SS dirve
- Crack in lexan....
- Welcome to my Nightmare!
- oil coolers
- water cross over on bbc
- Drive shower advice
- Crank case pressure
- HELP, No fuel pump no beep 500EFI
- 540 engine advice wanted
- Prop for 1988 baja 235 Force
- trim pump
- trim pump
- More Power Upgrade
- need mufflers who can give me some help
- Bravo 1 drive trim leaking. Need help.
- engine flywheel coupler for b/w trans
- More questions about the Thunderbolt 8V 24
- Please explain HYDRAULIC STEERING to me.
- Nordic Rage 496HO
- Oil Change
- Skater Cat
- Transom Mount Transducer Install Secrets Needed
- looking for a set of BBc medium performance exhaust headers
- holley 750 carb swap
- ZZ502 DUD questions
- Does anyone have experience with older Kodiak exhaust headers?
- Engine Build Up Question
- Demon 850 carb/victor intake on a 454 mag. Anything to gain?
- IMCO manifolds discoloring
- Hydraulic Steering: IMCO or WPM ?
- How to keep your upper drive ears from breaking at high trim levels
- muffler suggestions
- Twin Blower Tests
- trim tab question
- Question about Tach's, Are they a Standard Size??
- Neutral saftey switch problems
- 500 HP What valve springs to use?
- Midnight Express Build by Mesa Racing
- Service Work In SW Florida
- Exhaust Manifold Installation Help Needed
- My 12 hour 555 just blew up
- VOLVO SX Steering Arm
- How Big
- Custom exhaust Question for H.P. gear heads
- 454-502 Mag heeads?
- Dana exhast?
- Closed cooling system?
- Help Needed - TPS Adjustment
- Smartcraft SC5000 Display
- engine swap from SBC to a LS-1 style motor
- Need Bravo One Trim Rams
- Bravo III "Diesel"
- Mystery Part (bravo out drive)
- Old car points/condensor/coil question, 1972 nova
- N.J. Upholstery shop Wanted
- surgeing at WOT
- 454 H.O. that wont stay together
- Wanted Diamond Plate Source
- props
- fuel hotter or colder
- Drive whine
- Cut bravo coupler no I wonder why
- winter storage help
- Small block 383 build-up
- Trim Tab Size Question
- Plumbing Superchillers
- permit for hydrohoist
- Gelcoat?
- trim tabs on 24' boat?
- Good engine builders
- Mobil 1, will it help ???
- 502 Cams
- "Pumpin Up" an HP500
- New 540's
- Formula 292 vs Donzi 28 ZX
- qjet vs holley 750 vac sec
- Seized spark plug
- BW 72C Tranny Noises
- Searay with shingles what now?
- Elec. Fuel Pump mounting
- 7.4L and merlin heads
- 32 pachanga
- 1990 baja 454 mag.
- Oh great gurus of OSO ... Info on 1999 7.4L MPI 310HP Mrec black motors???
- how much water pressure are you running?
- exhaust, where does the water exit?
- Lambo R&D work by Mesa
- Replacing an oil seal behind balancer??
- Help... waterflow
- How do I do this?
- Pick your upgrade for Twin 5.7s
- 454 mag carb: what ignition does it have? Anything to gain from upgrade?
- timing/curve on modified 502 mpi ???
- OMC cobra vs Volvo Sx transom assembly
- Whippling a 454 mag?
- which outdrive for fountain ?
- Broken distributor
- Vortec Heads Valves
- Merc XR or Imco SC???
- crash/standoff boxes ?
- Hatch inserts
- Diesel Go-Fast
- OMC lower unit ?????
- Trim tab limit switch...
- More prop/drive questions - for the experts
- OT: How to Get Gulf Coast Homeowners ins. ?
- Exhaust/engine/noises
- Seems I may have a " sacraficial " out drive... ANODES ???????
- Diacom recording wanted
- Oil Analysis, HP525's Mercruiser 25w40
- need help with 7.4. I.D.
- Prop Nut Torque Setting
- Side to side play in Bravo drive
- where is the Orofis valve in hydraulic steering?
- GPS Question
- Where can I get a water pressure sender and gauge?
- First Bravos
- gimble question
- Trim Tabs Angle
- 502 Engine Upgrade
- How fast should my fountain go?
- The Need For More Speed
- Merc HP 500 Oil Thermostat
- What happens when Rev limiter kicks in?????
- Brad Penn oil???
- help with trim pump
- Fuel injector - 454 Mag MPI
- Opinions on Regal Velocity?
- Fuel water seperators
- Timing MSD/Thunderbolt igntion?
- 25P Mirage or 25P Mirage Plus
- Single plane or dual plane intakes
- Blowers
- Drive heartburn
- ITS drives
- OK, I got the gauges, now what should they read?
- What should I do lost RPM, but still same speed
- Rebuilding sea pumps?
- Depth Gauge Transducer Mounting?
- on engine still overheats at wfo..any ideas
- one of my drives moves faster than the other
- Adjusting trim pump pressure
- Best deal on hydraulic steering?
- Staggered Engines?
- Whats missing from this bravo wing plate?
- help needed on pachanga
- Trim Tabs???
- whos gonna buy???
- Superchiller Question? ??
- 95 Fountain 32 Fever dash panel wire diagram
- Engine noise
- Who says Prochargers can't be impressive?
- Need help removing lower unit on johnson 85hp
- Ok I'm Lazy and...
- vent tube relocation?
- Which would you use
- Help Vortec L29 heads
- How can I convert to One-Wire alternator?
- whipple for 525efi?
- Does race fuel in a barrel get old.
- Cam Expert Needed
- Don't Want To Screw Through My Top Deck, Need Help
- fuel octane rating
- Replacing ignition switch
- Do I Need A New Alternator?
- low water pick up flush.
- propping a 38" scarab
- Anyone know the belt size for my 500hp?
- Kodiak Mar. Alum ehaust
- Bravo 1 slip ?
- Blown cooling hose
- Exhaust Gaskets Blown
- Mark IV vs. Gen VI
- What is it worth?? Anyone interested?
- Twin inboard to single Conversion?
- 2005 Fantasy Football Fun Pack!
- Transom Assm Torque Specs
- Timing on 500EFI
- Who has the best deal of 496HO
- nose cone on dual water pick up drive
- Headers and Silent Choice on HP500 Carbs?
- Dry Headers
- Water Crossover?
- Trim Control Ease
- Stuck in reverse
- Mercury Drive Spacers
- Engine Oil smells like HELP!!
- Rookie question about water cooling & flushing
- building your own hull????
- Any Merc coupler upgrades?
- Wanted Powersteering Pump
- Procharger on 502 question
- Gen VI heads on a Mark IV
- Trs to Bravo?
- How to measure fuel pressure on a 454 Mag MPI ?
- prop height help for newcomer please
- R-Tech superchargers
- Stainless Marine vs. CMI
- Need advice on gauges.
- Prop Advice
- Bravo Steering Arn Loose ? Here's a Fix
- Key on siren comes on as soon as you turn the ingition key
- New valves or not, How long should they last ???
- Horrable Marine products
- HEI ignition
- Tail pipes wanted (And a temp question)
- ignition problem
- overheating!! i think?
- Upgrading To Power Bolsters???
- Different Charging After Battery Drain
- RPM Airgap Guys
- Changing Props not Lower Unit
- Hydrulic steering. Single V.S. double rams
- 4" Air vent hose alternative
- Target Trailer help
- Voltmeters Always Moving In Unison?
- Drive spacers for bow lift
- Which Cat to buy?Need advice!
- TRS vs Bravo
- engine compartment heater question
- trim out while driving?
- batteries
- DRIVES, toe in or out?
- Back flushing motor procedure?
- BBC to diesel conversion
- TRS Drive Oil Leak
- So, you like stainless eh?
- Hydraulic steering over 70 mph
- ITS steering
- XR Spacers
- Amsoil Products
- Mercury Racing Oil T-Stat Filter Mount
- Overheating and lack of water
- Fuel Injection retrofit
- Selecting Trim Tabs
- Trans type???
- no bow lift
- Looking for Whipple Supercharger Pulley
- Oil System Plumbing
- Changing Fluid In Bravo Xz Drive?
- alum. nut for rear motor mount?
- ayway to tell hours on motor v.s what hour meter says???
- Bravo drive has top vent but no drain on the bottom ???
- NEED HELP! Prop For a Daytona Eliminator?
- can it be done ???
- 2000 carb'd 500hp valvesprings
- fuel pump recomendations ?
- Trashed XR lower on rock ledge- what to look for???
- marine hemi motors
- jack plates manual or hydraulic
- starboard burning more fuel than port?
- Trim tab indicator dead
- I think I detonated engine, please HELP
- What boat?
- HELP with Bravo One - stuck in drive????
- Insurance and Financing
- Bravo 1 inch spacer
- mercury 2.4 v6 temp senders
- Oil Change Seawater Pump/Fuel Pump
- 1999 502/brovo 3 stalling in reverse
- Did I make a mistake?
- looking for freshwater flush kit for 496 mag
- Shift interrupter question
- Any lamination experts on the board?
- oil pump 10777
- Need help, new boat, HP 500 motor, changing oil
- Bow Docking Lights
- Removing SSM 3 End Cap
- Surge brakes question.
- Alpha Gen II Separating Lower from Upper
- Marine Dominators
- ??? lost power trim power again
- need help with a speed question ?
- Can I swap 25" outboards with 30"
- Radio Antenna Where To Connect?
- traces of oil out of dip stick
- Need procedure to time a msd ignition 502 stock cam
- replaced power valve and still wont idle, help
- Drum brakes - Grease all over????
- Bravo Questions.........
- whats the power valve do?
- worn gimbal bearing = chine walk?
- ZZ572 89 octaine?
- 6.2 distributer
- 18 degree Dart Heads.
- Garmin 176c Memory card question
- Best gasket material for fuel???
- What could cause this ??
- What size carb for a Vortec 350?
- BAnks Turbo Set-up
- Bds Blower Question
- American Offshore Repower with Mesa Racing Engines
- bravo drive ??
- 600 Merc ?
- Alternator amps
- Exhaust manifold water rail
- Gaffrig tach and Holley Annihilator ignition help
- Help - Need Power Steering pump
- I feel stupid, Please answer my TRS ROTATION question.
- who can install an ac unit in Austin
- Vacuum Hookup On Dominator
- 454/420 build up
- Shore power pigtail 50 or 30 amp to 110 connector??
- Drive fluid over flow
- adding a petrol tank please advise
- Merc. Scan tool code "Oil Level Lamp"
- When to rebuild a Promax 300?
- Need a new Carb for a 92 502 Mag and suggestions
- loss of power?
- Holley 4150 questions
- Intake gaskets
- Bravo 1 Or Bravo 1x
- Spark plug reading.......
- alarm wiring questions
- bravo 1 prop hub
- 1994 Hp 500
- overheating problem solved
- Alpha One Problem
- Pachanga exhaust?
- How fast is a 26 Donzi with a 525?
- K & N Flame arrestor
- Looking for a pulley for a B&M 250 Blower
- Help, water pump leaking. 1992 Merc 502 Mag.
- Trouble Removing my Tilt cylinder pin
- impeller question
- New sportmasters discolored...how to fix?
- drive ratio question/yanmar diesel tuning
- Alarm=Engine Cutting Out!!!
- Prop diameter
- engine over heating problem
- fuel pressure gauge stuck to far right
- senza spectra
- 94 454mag fuel pump replacement????
- MSD IGN Proplems
- Losing fuelpressure
- 25 outlaw questions, hope someone can help
- Iridium spark plugs
- 496 exhaust heat sensor
- anyone in tampa area have rocker stud 4 bbc
- Lake Cumberland Marine
- freshwater to saltwater conversion
- blow off valve on supercharged motor
- offshore water pickup and drag
- This weeks Mesa Project 670 hp
- MSD Rotor burning up
- Head Gasket ?
- Temp. range of a Volvo 496 HO...
- 140 deg thermostat/ why
- CMI header install question
- 496HO's
- Batteries Draining Question ?
- 1990 31' Scarab Excel
- 496 HO Spark Plugs
- how to winterize 525 hp
- synthetic?
- Mods for my low performance (310 hp) 454
- Dock with nylon encapsulated poles
- Won't Idle When Cold
- idle mixture for dominator carbs
- What ever happened to the Alpha SS drive
- vortec squish or no squish?
- 502 Mag EFI Fuel Problems
- Oil lines for Oil cooler
- lost 200 rpm!!!!
- WOW .. Increase HP and Performance w/...
- Drive Res. Sensors?
- Window tint?
- another fuel question about the 496?
- Condor Boat Manual
- Where to get service?
- Oil Temp Problem
- What kind of spark plugs to use?
- How to kill an Alpha 1
- 93' Johnson 225 gearcase???
- Who's got Desk Top Dyno? Need some #'s
- Rec'd pushrods for 454??
- Is it dex-cool or death-cool for your tow vechile
- Need a used 454 mag or 502
- Crash box vs. transmission?
- motor maintenance question
- 496 CNC ed heads by Tyler Crocket
- power steering pump
- 92 scarab thunder vs 94
- Imco Extreme SC
- Side vent help.
- eXternal Steering-innie vs outtie
- props
- 454 mag carb to EFI swap?
- Dressing up a 454 mag?
- Refreshing Motors
- How much Drive oil?
- Engines
- engine rotation
- Did I get the right head gaskets (Fel Pro 1037)
- Marine generators
- Chaparral
- Hyd Pressure Fitting Leaks
- Offenhauser intake /carb problems
- Tach Bounce due to magnets??????
- Procharger M-1 7.4MPI 5#PSI softening
- Hatch Lifts?
- Blown TRS, can anyone troubleshoot??
- HELP!!! I need a gas cap!
- carb question
- 800SC Jetting
- silent choice or switchable mufflers
- Water Leak - Thru hull water pick ups
- what do i expect to pay
- tach recall help
- ZZ502 Cams in fresh HP500 Carbs and running SLOWER??
- 3" to 4" exhaust?
- TRS puking oil out the reservoir vent...?
- Any info on this supercharger??
- Any PROVEN 500 hp Gen IV 454 Mags out there?
- Tranny Trouble 454 Mag, Bravo :(
- Merc Bravo SS Props turned gray? Help!
- Lost A Tailpipe
- v6 module ?s
- Air Scoops on Sun Deck
- Dist. gear failure????????
- Broken Bravo drive question
- new aeromotive fuel pump first time out?
- Carbon film
- trim pump, bravo one, not working, help needed.
- 454mag EFI Mods
- Rolla Rockers in Gen VI heads
- Single Surface drive on 28
- Swim Platform
- cooling systems..
- how to save an avatar
- SBC Thermostat housing upgrade?
- HELP! Need idea's and tip's: Oil changes
- Donzi 25 Regazza, She may need a torpedo!!!!
- Stock 454 Cam specs please?
- 496MAG HO forged internals?
- SSM drives? Good or bad? Discontinued?
- Mesa MB650na weekly project
- Hemi Project finished at Mesa
- Merc Flywheel Housing
- STOCK vs LABBED PROPS
- Timing 1997 HP500??
- Does anyone know where I can purchase "Dennis Moore's BBC Marine Performance Book"
- how to identify engine without plate???
- Mercruiser 420 HP specs.
- BBC Tunnel Ram Recomendations
- 525SC lifters and valve springs
- Gaffrig??
- 525SC water pump
- High Water Temp
- How do YOU change your oil?
- 600+hp with a XR Drive??
- need procedure to bleed a steering system for a I.T.S. setup
- speedometer stoped working.
- Prop Shaft Sizes Bravo 1 - XR
- Bravo 1 problems
- Anyone Whipple a 496HO