- What to do
- upgrade 454 mag carb.
- bad main bearing
- 2 Pc. Valve Covers
- Thunderbolt ign Rev Limiter ?
- 496 belt
- 300hrs 500 EFI's
- Bravo drive guru near Chicago/Rockford
- problems with 500efi
- Winterizing question - good enough??
- Real cheep and easy Mag air intake
- Found 400rpm in the 454Mag
- Hull blueprinting in Southern California
- help 261 liberator
- what do you do to kill time
- Need a Whipple recipe
- Stellings Box--Steering Questions
- 502 MAG MPI's to 525's
- outdrive lube?
- Removing gimble housing studs..
- OUTDRIVE "B"ring "O"ut "A"nother "T"housand
- HP500 overspeed module??
- 496 exhaust needed
- sea strainer...
- Shock between boat and dock!!
- 700 sci
- Steering Problems
- Help w/577 Carb Motor
- Procharge the 454?
- Too much torque - Not enough RPMs
- Anyone Deal with Titanium Scrap ?
- 2 Piece Valvecovers
- 454 Mag MPI Oil Capacity?
- Help with tunnel tab
- Help! 502 motor, low oil pressure, Any ideas?
- carbs on 525sc's
- Upgrades to 502 MPI's
- Is this cam too much for a marine 502?
- Pcm ??? for you efi guys
- Hand pump for Amsoil Outdrive Oil
- MEFI4A ECU Problem- Fuel Pump
- Trailer lug torque
- Anyone ever try?
- Noise in motor/ black oil/water
- EFI Losing Prime
- Procharger with Eickert Headers
- Fountain EXECUTIONER vs LIGHTNING
- different winterizing question
- Imco Extreme Advantage Sc Drive Questions
- Has anyone ordered from 'Stem to Stern' lately?
- Cold air intake system for 496 engines can add 8-12% HP.
- Exhaust Drain Plugs
- Freezing 496 Mag
- Auto bilge pump switch
- Can slightl worn bravo gimbal assemblies be re-bushed?
- 496 mercruiser
- Highest compression on 93 octane
- who sells old Cusader parts?
- Wireless Kill Switch
- 575 headache
- Rotted Exhaust Bolts ?
- EFI Fuel pump dead. Why?
- Help Design My Next Motor
- Plastic washers and (help me find)...
- foot rests
- Trying to recover from an engine scam
- Quick answer needed: trailer bearing
- ECU Reprograming
- Bravo propshaft question....Help !!!!!
- Which prop
- water reversion and muffler tips
- 502 ram jet cam
- Ext. box question and leaks...
- 598 - which heads and cam for 750hp
- Gimble bearing came out with drive. Why?
- Prop
- Anyone need....
- Raylar's 496 Exhaust mods??
- Looking for Thermostat housing
- 500efi rebuilds
- stock rods and crank, what HP can they handle
- 177 Vs 250 blower, any gaing in HP
- High Perf. Engine Parts vs Parts
- M.S.D. starter /savers
- Which roller cam for a 575sci rebuild?
- Interesting observation
- calling Al from Addictive water sports in Tampa, FL
- what exactly is resizing rods???
- Prop Rotation!?
- Steel Crank Turned .040 ?
- switching from a mefi3 to mefi4
- need some motor input
- Riser Gaskets for 496??
- How to change thermostat on 496HO?
- Noise violations????
- blower belt slipping
- merc 377 up grades
- 525SC Mercs Upgrade - Any packages available?
- wide band o2
- Question about Small Block Exhaust systems. (350/300hp Magnum)
- OMC Ignition 90 350 King Cobra
- 454 Mag MPI ran great ..... but only to 4000rpm
- dirve oil pump
- Stabil what's really in it ?
- Anodising
- Power upgrade
- Can someone tell me what this is???
- XR drive
- Engine upgrade
- Reversion Question- Again
- char-lynn helm
- Marine alternator
- Battery Boxes
- Bravo 1 X leak - thoughts?
- VHF radio with intercon HELP
- 525 question
- Cooling Questions
- KE Roller Rocker Arms - Anybody?
- Oil leaking Bravo One
- Need spaekers, Help
- quick winterizing question
- reversion and intake manifolds
- throttle/gear shift removal ?
- Oil Smell
- Parts
- Pumping Gas Tanks Dry
- zero effort
- Need a flywheel for a Mark IV 454 TRS
- jetting blower motor
- Stock 500 EFI E- tops?
- What's it worth?
- 496 HO not starting any ideas
- Broken Rocker arm adjusting nut-500efi
- Do you think this boat on EBAY can do 80MPH?
- NEED HOUSTON EFI inboard Volvo MECHANIC
- Sema.
- What size carb do I need.
- Will a 1/2 Ton Chain Fall.....
- Merc Outboard Bore Job
- 454 Gen IV losing oil pressure
- Water proofing cockpit cover
- prop wrench
- yet another cam/head question..
- Help! Rocker Arm Question for 502 Gen 6 (1998)
- Over Head Cam ford motor suggestions
- Winterizing Question
- Mach 1
- Sbrt
- 502whipple with bravo 1
- Bolsters
- 496 truck block, What is it worth
- Mobil 1 V-Twin
- Separating the Bravo lower
- Anything specail about SRX MERCRUISER ENGINES
- cam choices
- Ok, what do I look at next?
- Reading Plugs Tech info
- msd starter saver
- 72 vevet drive
- calling Tyler and Raylar ? for you
- CMIs - have them fixed or buy new exhaust?
- Another winterizing question
- Winterization Question
- predator marine logo
- 496 Exhaust water routing??
- Electric vs Mech Fuel Pumps
- transom cut out question
- Draining EMI thunder exhaust?
- 502 efi oil removal?
- What do you think about these lower gears..
- This just cost me some money!!
- 496 engine throttle response ?
- Holley Manual Fuel Pump ?
- Throttle controls
- Sea Water Strainer Question
- Winterizing HP525's
- Reversion?
- Bennett Tabs
- B-Max Drive Info?
- EFI live
- Eldelbrock Air/Fuel Moniter
- Mild SBC Upgrades
- Holley carb gurus
- Looking For Image
- 500HP Starting Problems
- Merc To Fram Filter Conversion
- Can 5psi be reliable on a non-magnum 454?
- Lost major power--- Why????
- Guesstimates on 502MPI 415HP gain over 330HP
- HELP: Engine alignment to Borg Warner Transmission.
- 502 Mag
- 177 blower on a 502
- who knows the differences in a 2006 bravo III vs a 1998
- High Performance/Flow Fuel Pumps
- Winterizing ?
- 15 Over Bore On Hp 500
- Konrad Drives
- Trick Access Around Boats on to Boatlifts?
- Trick Flushing Techniques While On Lift?
- Need a contact # for Mr. Gadgets
- How much can stock roler lifters handle
- Exhaust Resonators
- adding a stand off box
- Salt Away ???
- Code 81 on scanner - MEFI 4
- Suggestions ?
- Bravo 1 outdrive with metal shavings on drain plug
- CMI headers on 353fastech/496HO's
- Starter
- 188 heads
- GPS Wizards
- 190 hrs on H.O. Change to synthetic?
- Anyone know the thread size/pitch 4 Bravo?
- Anyone have Victory Tabs??
- Changing Drive Oil in the Fall
- milkshake again
- bbc chevy loses voltage
- bravo III making noise in forward
- New Longblocks, Rebuilt, Remanufactured???
- Trs Outdirve Full Of Water
- Winter Engine Layup
- Inconel valve question ?
- 454 mag-450hp with stock cam
- fuel/water separator
- Toe in n Toe out?????
- 454 mag engine miss
- TRS Power steering removal
- 496 HO's- 425 at the crank or prop???
- Rev limiter
- Pair of 500 efi's
- Looking for opinions on Hydraulic steering set ups.
- Trim pump oil
- #6 Dry-sump conversion...
- 454 4 bolt a mag motor
- Merc 454 oil pickup help needed
- Adding ITS
- Ignition upgrade
- speedmaster3 to bravo questions
- Bravo Dimensions
- got my new bravo one and transom today
- Bravo engine setup with an Alpha drive?
- Another leakdown question
- Intake manifold sealant
- New 300xs optimax's
- Idle question
- trim tabs don't go up even
- Garboard Brass Drain Fitting?
- Should I upgrade?
- 496HO hot manifold
- 496 Elbow Paint
- need a dyno chart 350 mag mpi stock
- I Need a trailer
- weights of drive oil vs speed of boat
- new member new ride
- fuse block needed
- X dimension
- What's my drive?
- 241 Libby -Engine Misses - Burnt Valve?
- Bad 502 pump gas Piece by Mesa
- Oil filter for '96 502 efi
- Leakdown test on a cold motor
- 509 fuel presure
- 29scarab finally getting somewhere.
- Edelbrock VS Merlin Intake
- Hydraulic Steering Upgrade
- Donzi 25 top speed
- Wide or narrow band air / fuel meter
- Unabashed Gearhead Gnarlyness
- To choke or not choke?
- CMI Headers/496 HO
- Need 16 rib blower belt
- poll, how fast will my chevelle be with the new power?
- are all bravo couplers the same?
- Who does ECU mapping
- 496 Oil Filter
- Using A/C while on a lift
- Marine Vinyl Supplier?
- wstsidesrf shoot me a email
- How did oil get here?
- cool fuel drain plug
- I did it to myself and now I need help selecting injectors and fuel mapping
- 5.7 GM Marine HP?
- Gen V heads on early 454 block
- Worth the gain? AFR CNC heads/Crane 731 roller/carb on 454 magnum?
- EFI with big cams
- Replace Dip Stick?
- Steering loose at speed...
- 454 Mag Fuel preasure
- ECM mefi 1 question
- Suggestions on setup
- middle floor board rotted
- bow lift
- Crack in Head
- 454 to 496-is it worth it???
- 454MagMPI Electrical problem
- boost gauge
- Anyone have any experience with these Tabs?
- 241 liberator
- Lightning Damage
- gas sender unit
- winterizing AC and sinks ?
- Anyone have the torque spec’s for Intake manifold & Head on a 350 Magnum motor?
- Why am I too slow?
- What limits the amount of boost?
- 496 Mag HO Winterization
- Beware. Prop Buster.
- Anybody have Access or Wisdom on Bosch Fuel pumps ??
- Help, lost 800 rpm...
- Warning you about Chinese Junk - doing my duty
- port side steering
- winterize question
- Changing to Holley
- Marine vs Automotive Head work
- Outdrive Lube Pump
- motor work by nickerson
- Liquid filled compass. What oil?
- Need TPS sensor
- Are all boat dealers too rich to return phone calls??
- what do you guys think of this sbc build for my chevelle?
- 35 Fountain
- Valve size
- tank full or empty over winter with reformulated gas??
- Schenatic wanted- wiring two batteries, two engines, shutoff
- PLEASE HELP! Pop up cleats
- Bravo 1 question
- Stupid question about putting boat up for the winter
- Compression ratio vs Chamber cc
- How Are These Heads ???
- 502 low compression
- Vibration/ bent shaft?
- ??? about stand off box
- Shift cable through transom assy.?
- Outboard surges, warning lights show
- Who is doing 4 - 7 firing order swap.
- Metrinch??????????
- Model # for this K-plane?
- Put drive on and now starter grinds
- 496 vs 502
- weak link on Imco Extreme drives 1st gen??
- 140*F Thermostat for Merc 496
- buying new drive, what ratio should i get?
- cam specs on 525/exhaust. in a Pachanga
- Bravo XR / Engine Overheat
- Ignition Module V8-HP advance??
- Any gains on stock 7.4L from thru-hull exhaust?
- Gil Exhaust
- bravo one 4 blade 24p
- drive engage question
- seawater/fuel pump on Gen VI w/ serpentine setup
- boat manufactures
- Help need performance shop or person southeast
- Pics Of Oil Cooler Rigging
- Engine Bearring tech sheet
- Oil pan drain plug...thread size?
- Blower Question Again
- gear drive
- BBC Bowtie MarkIV 10051107 Block... Where?
- 496 Ho ?
- Y-pipe for SB or BB ?
- Thru transom/thru prop exhaust ??
- 7.4L Carburetor Information Needed
- Oil and Water Temps
- TRS Parts - Price and Info
- TRS set up adapter needed for winterizing
- Nose cone or no Nose cone?
- Checking fuel pressure ?
- Intake Manifold 540, HELP!
- How can I protect upolstery this winter
- cabin door
- Water in bow but not in stern
- NEED Delco Electrical Book, REMAN etc... !
- Bilge Cleaner
- Oil pressure question
- What Carb should I use for my 540?
- Loss of oil pressure ?????????
- EFI gurus
- Holley model#/cfm
- Trailer needs restoring
- Cylinder psi vs load
- # 6 drive oil question
- Easy question?
- Stern Jack help.....
- 320 EFI with Alpha SS Jump on it or run the other way?
- Correct method for bleeding a full hydro system??
- no oil psi no knock
- 496 Raw Wtr Pressure Switch brass fitting?
- 350/300hp Magnum Blown Head Gasket or what?
- Blower motor air/fuel ratios
- Whats normal water pressure, stock hp500's
- TRS and Speedmaster Lowers
- How do I get 300+HP from Merc350/260?
- 250 Blower oil
- Water Pressure Switch
- How much Gear LZube for #6SSM Dry Sump
- 5.0 LX Merc engine noise
- Water pressure guage question for 496HO
- Need a crashbox ID
- WOT problem
- hp 500 carb'd heads
- suggestions please
- Help from the engine pros
- 496 HO Oil Sender Location?
- HELP I think I bent it!!
- Merc Racing extended warrantee????
- Why no vacuum advance???
- Shift question and stainless vs aluminum
- Another Oil Thread - 2 Cycle this time
- Bravo 1 upper vs. Bravo 2 upper
- problem turning on right side
- Camshaft dilema. Help me decide where to go next.
- 496 Owners: Ever check your intake air temps with a scanner?
- IAC bouncing 0 to 1 at idle...
- Need info changing from Carbed to Injected?
- Scarab P-29 w/ Blackhawk drives and 377 power
- Which intake manifold do I need? Vortex?
- Outdrive question
- outdrive anode
- what prop
- Prop shaft splines are jacked!
- Update - drive trim - goes down, not up
- 454 mag timimg question
- Electric fuel pump tip
- Checking for Hydrolock
- Why bother cleaning bottom of boat?
- Whipples on 38 scarab with 500 EFI
- Procharger Question
- Replacing the friggin' steering wheel!
- Modify early Intake to fit newer SBC ?
- bmax upper and bravo lower ?
- Making the switch from 454 to 496 ho
- Engine Adventures
- Pachanga-27 Stock How fast??
- Found Copper & Silver metal in oil filter...
- 502 cam specs please
- 502 MPI - ASM lower intake versus stock
- HP500EFI Mechanical Fuel Pump?
- aftermarket rims on trailer?
- Electrical gremlin!!
- Most HP with stock gen 6 crank
- Need some tech advice from engine techs
- calling brian, with the raylar boat?
- Cracked block...New engine ideas
- outboard height
- Westerbeke Service
- Worn valve springs 502 MPI?
- Need a valve cover hose fitting p/n for 502 efi
- how hard is to replace the starter
- Low speed miss
- How much oil is ok for a 502mag
- HP500EFI runns cold
- What is the torque value for a std Bravo top cap??
- No start condition
- put on the 1050 today
- Problem with fuel system
- First time changing 502 impeller
- Prop and speed calculator
- Crankshaft Cutting
- How do you pull engine with TRS drive / BW tranny ?
- 7.4 MPI overheating
- 496 mag oil consumption??
- Starter internal difference 10 MT LH vs RH
- mercury 850sci
- Always friggin' something!
- Engine Internals/Components
- BROKEN VALVE SPRING ??? Help !
- Diacom Guru needed Dave_n?????
- Head problems
- Mirage 25 pitch/ RH on ebay....
- Paging 496HO and Diacom Gurus...Again
- nosecones or Imco lowers?
- Fogging???
- Rich overnight
- English lesson....
- need new windshield
- Engine noise
- High Volume Oil Pump
- cobra engines quality and dependability?
- Transom thickness
- winnterizing/ethanol
- Can a Chevy 383 / 425hp Street Engine be used in a Marine Application?
- 96 502 efi vapor lock?
- Winterizing question?
- carb jetting and pressure?
- Heavy Duty Alpha?
- Dynamic Compression Ratio versus Octane
- Bravo 1 trim angle?
- Bilge Blower Direction for best Efficiency & Safety
- Latest Powerboat mag - "Power Brokers" article...
- Drives tow in or tow out performance settings
- Fuel Tank Clean Out
- intercoolers of choice
- more hp from 496 ho
- FYI, I found a great cross-reference for filters (fuel, oil, air)
- Realistic Hp 500 Hp
- ROLLA Props on EBay (Right Now) What Do You Think? (With EBay LINK)
- TPS trouble shooting w/o scan tool
- Upgraded engine lost speed any help?
- 496HO getting crappy at 3k RPM?
- Engine building guru ?'s
- 496 connecting rods