- Oil and filters
- Lovorsi GPS Speedo Stuck???
- TRS Flywheel
- Cast aluminum BBC gen V r VI oil pan?
- BBC PFM EFI supercharger manifold
- 575sci vacuum routing to aeromotive f/p regulator
- new engine
- single gaffrig controls white FS
- 496 exhaust how much HP
- Exhaust Manifolds already rusting, Warranty?
- Need a pictures-Returning engines to stock.....
- Flow testing Barry Grant Carb Video
- Valve float video
- haronic balancers
- New Fountain owner
- bravo 3 gimball needed
- air filters
- Livorsi Datatach Prop Slip - Is it worth it?
- Bellows question
- Rebuilding A Tired VP Engine
- Crossover Go-Fast
- Can I keep my 496HO from starting?
- Hardin Marine cyclone shorty headers/ Gill manifold replacement
- RAYLAR, anybody have there kits/motors
- Mark IV vs Gen VI Flywheel mounting..
- 502 Mag --water in #3 cylinder
- Winterizing
- Who makes the best cordless impact?
- Whipples on 6.2 MPIs & Bravo One
- 502 efi upgrade
- 496ho procharger
- oil filters
- 525 CMI , Hose from header to tail pipe ?
- how can you marinize an aluminum block
- retorque heads
- head studs sealers
- HP4 Remote filter mounts
- Drain plugs...
- Oil TSTAT Actuation Temp??
- Fastest Single Engine V Bottom?
- Advice on fuel pump
- 4.5" stainless exhaust tips or just stainless pipe
- Water Pump 500 EFI
- Special thanks to some great supporters....
- Brava 1 to Bravo XR
- 420 HP cam specs??
- Electricaql Help
- Piston Failure Modes 101
- do i need to run a drive with reverse rotation
- Whats the differance
- Vinyl Work
- Best place for parts?
- Help with Diagnosis needed.
- khs powerboats
- 502 Fuel pump issues
- Somebody must know.....
- Tear the mutha down
- head studs spec.
- crane gold roller rockers
- Timing Gears for 454's?
- XR Drive oil change w/ WPM steering
- Hypereutectic w/ Boost
- Camming a 598' for endurance and torque
- 496 HO's, Procharger, VS. Whipple. VS. Raylar?
- CMI ETOP tailpipe conections
- Need Cool Fuel Relocation Kit P/N: 861637A
- Blower Cam Choice
- Best Book or DVD on Transom rebuilds
- Hull crack-HELP
- 2 speed Marine transmissions
- Trim Control Brushes
- Merc Racing Indicator Head
- Mechanical Fuel Pump 500 EFI?
- New Interior
- How much space is needed?
- Fresh Water Flush Kit
- Water reversion
- smoke / soot from one side of engine?
- New 496 slight oil leak
- Batteries, isolators, inverters, etc...
- Magneto Distributor
- Broken pistonrings! what caused this?
- what fuel pumps to use??
- 496ho procharger
- Vinyl Stickers?
- J+r Marine Gimbal Repair Or Merc???
- mechanical engineer
- drive fliud
- plug vs drive line gimle
- 2000 500 HP w/whipple question
- Outboard question for small CC fish boat.
- 1996 502 Efi
- belt dust
- meltdown
- 350's to 454's
- Gil Exhaust
- Tired 454 Magnum
- 2" shorty fitment
- retrotek??? anyone know?
- fluid damper
- what size of blower do I need
- Idle Air Control Motors
- 350 Marnum cam I.D.
- Volvo D3 Diesel
- How to tell a 454 Mag from 7.4 liter
- When to rebuild 525SC motor ???????
- need more speed
- fuel problem question
- Anybody know a formula for this equation???
- distributor
- need a pair of hp 500 roller cams
- How much more horsepower will I get
- Latham Marine reservoir adapter
- How long is gas good for ?
- compression on 2000 500 HP EFI
- MEFI 3 and Auto Xray
- HP boat security.....
- # on Motor , what is it? 525SC ?
- 500efi Heads
- GM 6.0L small block marine engine
- How to winterize a whipple blown motor?
- 1990 Scarab 21 Excel 454 Bravo
- 502MPI alarm
- exhaust questions...
- compression test
- Tachometer Gremlins
- #6 Drives....need advice
- power windlass
- Merc 525 gaudian mode question
- Fountain Questions
- How can I fix this? Shift cable housing stuck inside my Bravo bellhousing
- 502 MPI rebuild
- Need Hp525 Cam
- Which way does oil go through the filter? Center out, or outside into center?
- 24 volts for my hatch actuator
- prop...good buy?
- Extension boxes, TRS???
- IMCO Steering question
- Fuel Tank Pick up
- Outdrives, trim out different speeds.
- Depth Sounder location
- control box trouble
- Oil Synthetic or Stock? Marine or not?
- Oil Filter for 454 Magnum 1990 Carb??
- TRS Trim Cylinders
- Acceleraton from blower and carbed motor?
- Rock the Bay 2007.
- GM's Engine Oil Supplement
- Mechanics in Baltimore area?
- outboards?
- Starboard power steering pump mount BBC??
- Stuck Valve ???
- CMI E Tops looking for 2 sets
- Formula Silent Thunder Ladder
- House water pressure
- Raw Water Strainer Leaking
- 525SC Serial Numbers ???
- source for clutch plates
- GPS Speedo Install ?
- 550 hp 454
- Merc 500's.....
- Fuel and water pressure connections 454 MAG
- Everything but the cam
- Secure hoists in Slidell....
- Rev Limiter/ MEFI 3 computer question
- "Wanted " Holley / Canfields aluminum BBC Head
- Bling to the dash
- Need bottom injector o-ring/seal in a bad way
- Trim tab upgrade
- need engine measurement
- Onan Gen Set??
- trim pump mount
- Need 16 Rib B&m / Holley 420 Pulleys
- Info on a Kazoo jet boat ?
- Merc outboard Tech advice needed
- Fogging a EFI
- 502 Mag MPI (VST) surges and stalls
- Exhaust Tips-?
- wierd problem / noise
- Does anybody have the EVC spec for the ZZ502 cam?
- engine differences, 330, 400, and 420 hp
- FasTech Differences
- Octane required
- where to buy: High flow 140 thermostat?
- any info on a '83 20' eagle marine inc boat
- Sell platform or install on older boat?
- Best Oil for 496 HO's
- 454 mag carb ignition module????
- Crane 731 or 741
- Eliminating TB-V rev limiter??
- Volvo Y pipe
- 500 EFI Cam Questions
- 7.4L mag MPI tops out at 3900 - Troubleshooting?
- Distributor
- KE Water Pump - Can I add Another Stage?
- 500HP Question
- 496HO Break in
- is it water?
- Jumpy oil pressure - just rebuilt motor???
- Merc overheat codes
- Questions for Whipple guys!
- Questions for the Engine mastermids???
- Low oil pressure
- 7.4L Mag MPI RPM / MPH - prop slip?
- merc 502 mpi vapour lock ?????
- Looking for Bob from austin TX
- Replace springs How many hrs?
- 70's Magnum Marine
- stock 400 cam upgrade question.
- Need a Gen 6 502 block
- Reversion issue using ZZ502 Cam. Anybody shed some light?
- 496 Mag to 496HO
- Intake issues, air & coolant leaks
- 496ho with CMI exhaust
- how many hours before rebiuld on 525
- Merc 575 TBI question
- Internal tie bar.
- Water Crossover with or without bypass??
- Larger injectors for 502 mpi
- 500 EFI question
- 383 longevity question
- Gen VI 454 to Dart BIG M Comparison
- merc 525 efi motor's need a new home
- Does Alpha Drive have enough water pressure?
- 496ho or 502??please help
- Camshaft for 496 gen7
- Raw Fuel from exhaust when we stop...?
- milkshake oil and holds 15lbs in crankcase
- 496HO v. 525
- 496HO v. 525
- 454 rebuild question
- Battery charger and stereo amps
- Procharger help needed...
- new or re-manufactured???
- Whipple reliability????????
- Cougar CUB need info for max performance
- speedo problem
- 2000, 502 mag minor upgrades
- Whipple pulley?
- 350 MAG MTI vs 383 MAG MPI
- 1987 454 mag 330hp??
- GenVI oval intake on MkIV rect heads?
- front cover / oil pan seal
- Which plugs
- no water pressure?
- Need 502 Ignition Timing Help
- Need power steering pump cap + reservoir
- looking for bravo trim cap spanner
- trim cap spanner wrench wanted
- Pre Lubers
- Any Volvo experts? 5.7 Gi vs 5.7 Gxi
- Mercruiser 502 Gen VI
- Merc 525 EFI Merc 575 SCI
- Can I go faster?
- First Oil Change
- Add on hydraulic steering - what is it?
- Dry Sump Benefits?
- Vesselview available yet?
- which oil pump to use?
- Outboard mounting height...
- 500 efi to 540 efi conversion ANYONE TRY THIS???
- Fitting on lower maniflod?????
- windscreen
- Best Gauges/ Indicators
- Reversion with mild cam???
- Identifing an HP500
- Steering Problem ??
- 575 SCI fuel filter?
- Right X-Dimension for 23' Nordic Viking
- differance between oils.
- problem with Eldebrock carb
- gen 6 454 block-1037 gasket question
- Silent Thunder Exaust
- Lots Of Food, Fun & Prizes< Come On!!!!
- Recipe for 800+ Motor
- Why not extended tip plugs on S/charger
- E-tec vs Verado 250 ???????????
- Flushing Bravo 1 with LWP
- 500 efi w/whipple life span?
- Flexplate Vs. Flywheel......and a stupid question?
- Merc575 Spark Arrestor
- Fuel Gauge Problem.
- spark plugs
- Which on board battery charger?
- EGT or AFR Gauge and Bung
- 502 Mag camshaft
- Twin Step Cat X Dimension Positioning.
- Quality
- Expert Kaama help needed!
- Super charger on 454
- " IAC Muffler"
- Stuck drive rams
- Correct trailer tire psi & torque?
- Non working GPS speedo
- HP increase between SuperChiller/Whipple
- Changing axle bearings w/ disc brakes?
- T-Bolt IV Question
- Where to find Mechanical trim indicators?
- Drive Centerline on Single Engine V
- merc module timing
- Water temp rising and falling
- slop in bravo 1
- need info on p&d hulls
- Engine Flushing
- 496 HO engine sound varies
- Shallow Water!!
- Blower on 500HP
- overheating and water in the bilge
- over heating problem
- Setting points BBC
- distributor/cam gear
- Belt tension
- towing a 29 outlaw
- 427BB in a boat??
- best oil to use
- Did this kill my alterntor?
- Bolsters need anchored to the floor better, any ideas?
- Stainless Marine HI-TORQUE manifolds
- SmartCraft install help
- 502 EFI Sudden High Oil pressure
- Drive Trim & K-Plane Fluid
- watercooled turbo's
- Bravo 1, gimble/transom pivot point pic?
- 454/MCM Trans/TRS - Died and Won't Turn
- Merc Thunderbolt 4 Modules And No Advance.
- water pressure questions
- Standard vs HP Gimbal
- winterizing my I/O
- Fuel Pickup Problem
- Header Leaking / What to do?
- Trident steering hose/reusable fitting
- Ran over rope! Won't start :(
- 575sci Heads On A 502 Mag
- Trim plate moving way too fast
- Intercoolers and water pick ups
- water problem
- WTB: HP Bravo Transom Assembly
- Pad bottom. What is it?
- 496 Oil Question
- BBC distributor upgrade
- Timing setting 525efi
- Mirage Plus 25p Prorps
- What should Fuel Pressure be at WOT?
- need to kno what camshaft
- Faucet washers for Boat sink
- 496 HO Guardian Mode
- harmonic damper
- 96 carb'd 500's
- 502 with a few shake down problems
- gps speedo problem
- Fuel from Exhaust
- How much?
- Gear Change Question
- Odd issue with 454 mag
- Need Help & Parts info
- 496 HO mufflers
- Ethanol and winterization
- 502MagMPI Surging at Idle when Hot
- 496 EFI upgrades????
- Found 44ft. Open Ocean Hi-Performance boat
- Reliability 1075's vs 700's
- Starter problems (starting to HATE this boat!)
- boat died, what happened ?
- manuals
- 496 Ho Steady Alarm
- marine machine sea strainer lid
- 454 Bravo 1 engine overheats on first run only then works fine
- Port motor hitting 190 and alarm going off!
- torque curve
- Testing Fuel Pressure (under load?)
- Code reader...
- Never seen anything like this.
- can you run S/M EXHAUST on a blower
- New to boating
- Interittent issue WOT
- Advantages of Race Fairing?
- 525EFI manifold??
- pinion nut
- Labbed 32 bravo 1
- Advance timing
- How big is the fuel tank on a 26 ft. American offshore?
- 454 Mag. Only running on 5 Cyl.
- Engine Alignment
- New Temp alarm units for Closed Cooling 454 Mags
- distributor vibration?
- so should i stay away from 460 ford with omc?
- Options for boats to fit in 25' garage
- Anyone have a Thunderbolt IV V8-24
- Kill switch
- plaese help guys waht should i put tomy 1994 formula 382 s
- Need diagram Imco elec fuel valve.
- SSM6 prop vent kit in need
- Bulldog / 7.4L TB-V Ignition Experts; Question
- Another water in oil question
- Does 500HP=?
- What size?
- 500 efi running hot HELP
- Engine Air Intakes
- Seperator filter
- 300 Tempest: max RPM on stock engine ???
- Aftermarket Couplers?
- engine backfire
- Oil Cooling
- TB-IV Rev Limiters??
- K-Planes goes down but not up
- Flywheel for 502/454 the same?
- Need advice; Top end oiling
- Fuel Pumps
- Holley 80552 problems
- 500 EFI Fuel Filter change:
- Lost ~17mph@WOT and ~10mph@3000RPM (cruise) Please any ideas?
- K-plane trim indicator cables.
- Will Headers interchange?
- When secondaries open engine dies
- Need part number for V8-20 TB IV ignition module..
- 496 Broke ?
- Hard To Shift Into Forward
- Strong Chemical to flush cooling jackets???
- Formula 357 power steering cooler mounting ?
- Diesel Day Dream?
- HP500 taller than 502 MPI
- Panama city fun run OCT. 13th
- HP Limit for Stock 496 Cast Aluminum Piston?
- hp / torque and trimming for speed
- What should I do
- turbo charged
- Oil squirt in Merc. 350 mag.
- Best Engine?
- Whipplecharger and t-stat
- 97 silverado, electric brake hook-up
- uneven rpm readings
- BBC louvered valve covers
- outlaw windscreen
- Aluminum Heads Paint or Not?
- Pulling outdrive question
- Cabin Fan install in 30 Outlaw -questions
- 225 Merc OB overheating
- How many powerups does it take for an ECU to re-set itself?
- Will this valve spring tester work with headers??
- Prop Info
- How to diagnose broken/weak valve springs...
- SAE J2005 and J1970
- Extension box or not?
- 312 Fastech
- Aero Tek With Cavitation/blowout Problem
- 525 SC's oil change
- cooling problem
- New to boating... questions (90' Sunsation Rocket)
- Looking at 87 Scarab Panther
- new pole
- belts
- LSX Motor In A Boat
- Higher Octane Gas?
- 500 efi upgrades
- Max bore for a "production" 502 block
- Idle control - Big cams and carbs
- Camshaft recommendations
- ECM3 to a 4
- Knock sensor ?..HP500 carbed
- 502 ci / 454 block ???
- 525 SC upgrade
- GMPP Ram Jet 502 vs Merc HP500/525 EFI
- MPI and morepower
- 27' Magnum
- State of Shock
- HP500 carb metering blocks
- Old Style Engine Syncronizer Light
- posting my avatar
- 496 ho/headers to lean?
- Turning props in?
- I'm Starting To Think I Should Take Up Basket Weaving
- I might be onto something
- Tach
- Engine cuts out when I hit a wave ???
- engine from Bravo to Alpha
- 502 Mag MPI, Max tq/hp?
- Arneson drives
- msd or carb
- Who has used non marine msd
- WTB- HP500 intake and carb
- Carb tuning help
- ignition help
- Ignition advance curve on 454
- Old parts
- Pics from Kemah this afternoon
- Sea Strainer w/ relief valve?
- Bravo One Problem
- Replacing Hydrolic Lifters
- spun prop
- Slow Yamaha 250
- Swap Cam with out pulling engine
- offset sterndrive
- 2 Stage Water Pump
- TRS alignment tool
- Nose cone, good or bad idea.
- how many pumps of grease in a bravo transom ass.?
- Oil temp too cold now oil pressure too low
- 300 X beeps 4 X's
- water wich wiring
- What is the CPS.. ??