- Need some fuel systems advice
- MSD Ignition System
- Help...stuck BBC balancer
- Engine bore...
- Cam Thread again!
- Exhaust mufflers?
- EMI Thunder SS Riser Dimensions
- gen 5 or 6 502
- Distributor gear
- Build me a motor for my Cig 20
- Innovate LM1 or LM2
- Is fuel system the same in a 500 efi and a 502
- mechanical waterpump
- Mercruiser 260 Upgrade
- msd digtal 6 box burning up
- Can you tell me who made these TIPS/MUFFLERS
- Are roller motors loud???
- Electric power steering
- I need one of these..... throttle cable end??
- engine trouble 350mag
- Crane 731 cam
- tachs are jumping
- OIl Cooler
- 454 and 502 form and fit
- 575sci fuel pressure
- Need a pair of Mercruiser cool fuel systems
- How to choose advertising design firm?
- Best place to get gas struts for hatches?
- Tach bouncing
- SM Exhaust ?
- Hull number locations
- Dart Heads
- Bravo 1...No forward ..Reverse works fine
- 500 efi temp
- sea water pump hoses
- scored cylinder walls
- Head gaskets
- Help please!!!!!
- blower surge
- Needed...Whipple or vortech supercharger
- water in oil
- imco external steering
- 540 Bulldog motors
- Silent Choice will work with BMAX right?
- How to fix Formula FasTech sliding doorthat gets jammed?
- Baja 27.2 496 Ho 67mph@4850
- efi to carb conversion
- Engine gets hot 400 degrees
- 496 Sea Strainer Install - Help!
- Why 2 Pressure Regulators
- Play in drive. How much is OK?
- superchargfer boost chart
- Bravo rear cover
- cam specs 525 efi
- Oil Line Plumbing
- Peanut port, low compression, 454
- Charlyn helm lines
- Oil question
- Under Hatch Mirror,What backing do I need?
- EFI, Edelbrock vs Holley vs FAST vs Accel
- Diesel oils in boat engines
- exhaust flappers
- BPM drive vs. #6's with rudder
- Opinion on Headers Needed.
- Quicksilver Mirage Prop- no thrust washer?
- Shifter hard to move..Bravo 1
- HP500 efi spark table???
- Kpm 2 Stage Any Problems??
- Winterization question - True or False
- Cmi Headers
- 496 Air Actuator Problem
- 496: How often to change anti-freeze.
- 496 HO - Mercruiser with antifreeze in crankcase
- 496 HO - Mercruiser with antifreeze in crankcase
- 496 Mag HO exhaust manifold over heat
- Hardin Marine stainless sea pump assembly
- Hourmeter Guage
- Gaffrig gauges needed
- imco 2" shorty lower how does it help or not
- imco lower
- Help determining prop pitch
- Need mecruiser universal expertise
- what thermostat will fit????
- Nobody wants my money??????
- new 555ci that won't idle or get warm
- Drive Noise
- Procharger on 502 MPI Manual
- 454 mpi
- 3 blade prop to 4 blade questions
- 1997 truck vortec 454
- Back Flushing a 496 after blown Impeller
- Full transplant - 7.4 Bravo1 / 5.7 Alpha Gen2 - Possible?
- Silencers: Which one ?????
- Cam specs?
- mercury bridgeport 2.4 efi engine
- Overload and/or Low Voltage Interrupt
- Mirage vs. Mirage Plus
- 496 CMI Sport Tube package
- Blowing Exhaust crossover hose on Volvo 8.1 GSI
- exhaust tips
- Best upgrade options for 330hp 454....
- High temp exhaust hose?
- what year did the 502 500hp come out
- Mercruiser 496 with DTS
- Plumbing Suggestions for 496 take offs
- question on Imco hydraulic steering
- backfiring thru the carb
- torque specs
- Brass/bronze bushing direction/Bravo
- Direction of 496 Impeller? HELP!!!!
- Merc. Distributor question
- ignition coil
- Numbers on Mefi3
- Dart head water leak
- Power Steering
- #6 Skegs
- Spark Plug Change
- What is the oil capacity for a1999 502 MAG
- Spring pressure
- dimension of hydraulic lines for steering
- rm builder bob marada email???
- Tired of your white plastic yellowing...
- engine noise?
- Steering Dampers with 600 hp in a 96 outlaw ??? anyone use these?
- Cams With Gill Exhaust
- Prop Question
- Deck height discussion.
- LED Lighting problems
- Merc 800sc ??????????
- 93' 502 Oil Pan drain Plug Fitting ????
- 2 sete gill manifolds w/ risers
- exhaust for small block
- Trim switch needed
- 6.2 merc mods
- Very old Gas in Tank
- Drive acctuator
- fuel sender wiring
- Gaffrig GPS Speedo Problem
- Merc 454 water by-pass kit?
- Mercruiser 260 5.7L K&N
- Roller Cam Button
- need 2 intercoolers 177 weiand
- Help !!!!!!
- ADVICE NEEDED 496 MagHO Oil Leak
- What Carb for my 5.7L Mercrusier
- Gauge Rims
- Sea strainer on a Merc 496HO/Mag, 525efi, 600sci or 700sci engine
- roller lifters hours ??
- Engine Dyno Tuned COST? Don't want to overpay for service
- msd boxes
- K-plane parts
- sloppy shifter
- Bilge blowers, dumb question
- Mercury Drive Oil Warantee
- K plane thru hull fitting size?
- 454 raw water pump installation
- In need of detail advice...
- water temp ????
- 454 Mag cam
- Service Manual 525 EFI
- procharger belt tension
- installing water pressure relief valves
- vinyl cleaning
- all those who have an air scoop
- Broken Intake Valve
- water pressure port ?
- Need spring cleaning advice......
- what is my oil capicity?
- Sea Pump priming????
- rotation question? single screw.
- How to change antenna battery on a Livorsi GPS speedo?
- Any Box Anchor users? Need advice
- 525 EFI Starter corrosion
- proper flat tappet cam break-in
- Props turn in or out on a 1994 Cigarette?
- Boat Paint
- Hydraulic Steering - do you keep the tiller arm?
- mercruiser shop manual
- Trash in fuel
- Shift arm removal on a bravo 1
- 500 EFI Engine Oil Question
- mfg'r of valve springs
- Hey John Arruda!
- Tool Kit?, what do you guys carry????
- who makes fuel cells?
- Bullet 632ci Power in Force 29 Cat
- bravo end cap bolts
- crane ignition box HI-6m wiring diagram
- flame arrestor screens
- Need a lead on a simple part
- Help-Sea Strainer Install on Merc 496HO
- Vent/Blower adapters???
- 2005 baja h2x wiring
- Gibson Turn Down Tips
- Help. Need plug to replace O2 sensor
- The best 500EFI blown setup
- VST Swap to ????
- age old ?,how to stop vapor-lock,vst system
- Will Smartcraft Gauges Work With Reg Bravo Transom
- Need heads for 7.4 MPI Anybody?????
- Coolent drain Plug Problem
- Merc 496 riser paint stripping
- Found the reason for the water intrusion on my HP500
- Anyone need 2 sets of 500 hp heads
- Feul Pump recommendation?????
- 525sc Blower Pulley???
- Man I Need Help...Trim Sensor Fault
- holley 4150 800 issues
- Looking for a 525 Mercury
- Pushrod Length?
- Anyone from EMI ?
- fuel sender
- 502 mag Fuel injection HELP
- dirve shower mounting
- starter problem
- Bravo hinge pins ??
- Depth Sounder Question
- TV reflection/glare
- Are my headers stock??
- roller rocker valve covers
- 260 sonic porpising
- parts 4 hp 500's
- need help with strange 7.4MPI problem
- hp500 with 300 hrs
- wt headers can i get away with this cam??
- delete
- konrad/trs
- 500 HP intake
- Oil pump pickup tube
- height of PSI supercharger
- Most Affordable Custom Oil System Plumbing
- Livorsi tachs acting strange - need help please
- Transmission cooler line size?
- Daytona Eliminator
- 500hp Carb Conversion
- Riser Flange Question
- Dart Block Oiling ??
- Opinions on Harmonic Balancers?
- Harmonic balancer ?
- Merc Bravo ITS Assy
- EMI Thunder Exhaust
- Extended warranty (MPP vs FPC)
- Imco steering system
- How American Car Makers Lost Their Nusinesses
- OIL PUMP&pickup,,,,head bolts
- Cam help
- 2 Sets Gen Vi Heads Off 500 Hp
- Hydraulic Steering Lines/Hoses
- Running lights and anchor lights, which ones should be on and when?
- 7.4 mpi heads to 454 330hp heads question?
- Water pressure and Oil temp interconnect?
- Innovate air/fuel ratio meter
- Need help with exhaust for my Fountain???
- Power steering hose size
- External stabilizers
- lifter question
- Breathing Systems
- harmonic balancer
- External Hydraulic Steering
- 575 Sci Experts
- Bravo 1X Lowers
- Camshaft selection
- Need Your Thoughts On This!!!!!
- Mercury Racing Dry-sumps...what year?
- Exhaust Flappers
- Gimbal repair
- oil cooler supply and return lines?
- 454 mag ?
- timing chain cover
- The wifes new toy!!!
- Opinions on gages?
- can a 496 be run on land without a garden hose on it?
- Water in oil with pics
- 496 mag question??
- Air mufflers not staying closed
- Looking for GPS, any thoughts???
- # 6 Trim Pumps
- 1985 verss 1989 4.3 mercrusier
- need some help
- advice: buying a 2003 force offshore cat with teague
- are CMIs bad
- Lighting headers
- Mirege Questions
- Gaffrig vent tube fittings
- Corsa Cacel Anti Surge Valve ??
- What HP is my 454 (1981 27 Excalibur)
- Crane Cam Question
- Proper Set Up WOT versus HP or Torque
- E-85
- Canton Oil Pan for 27 Fountain
- dome c/c
- full or half cooling system better?
- dyno result questions......
- TRS - engine R & R help....
- HP500 valve cover clearance forShaft rockers
- Roller Rockers... are they that important?
- Gel coat .
- 496 Re-flash
- Rack-storing a stepped hull - Any issues?
- Fuel Line Size 525 EFI
- supercharger gear lube
- msd boxes
- Question for surveyor?
- Cam question
- Predator Mongoose?
- Pre pump filter for EFI
- Camshaft for a 502 mag
- replies
- Eisenglass restoration???
- sealing holes
- Valve cover question
- HP500 cam question
- exhaust? on a budget! GLM,DANA ???
- Where to get used stock Mag heads
- Corsa Quick and Quiet Exhaust on a 525 EFI
- Any body do stereolitography ? For prototype parts
- Any one have Vinyl seat advise? Save the Vinyl!
- 454 Mag Valve Seals
- This engine seems like a real good deal
- oil change
- wanted cool fuel chillers
- Gen 4 -gen 6 Heads???
- 34' Scarab Super Sport
- Isky Valve springs
- valve springs
- O-2 sensor in gill manifolds
- Motec M48 wiz needed -
- how to remove i.a.c ????
- Corsa exhaust leaking
- No start/No injector pulse
- 496 Magnum
- LED bulbs for the gauges
- rust in fuel system--please help
- Crane HI-6M ignition
- 502 mag mpi running problem
- Perfect Pass
- not getting gas to the motor
- Overheating
- sensor id
- Gps ? Which One ?
- Need help with boat position on my trailer
- water in exhaust port
- Merlins 850
- Temperature / Pressure Senders
- dual cooler bellhousing cooler gaskets
- lucas oil
- Paging myscarab30.html
- drew marine sidewinder
- Drive alignment, toe in or toe out? How much?
- Size of Blower
- Intake Gasket question
- Adding Superchiller
- What HP gain can i expect
- Mecruiser/ auto water pump???
- imco steering - again need your help
- any one use Fel Pro 1075-1
- Yamaha F250 Performance Upgrades
- smartcraft gps antenae
- Power Steering Cooler 496 HO
- Pyrometer Temps??
- 1075 cam specs? rocker ratio?
- AN fittings, what are the hex sizes?
- oil filler tube 502 mag
- fuel pump relay coil measurement
- imco steering
- hydraulic roller lifter question?
- TRS Tilt/Trim cyclinder Leaks
- what thermostat is in 502 mpi
- crane cam grind # HR 256/372-25-10 IC
- Oil Tempature Switch
- Fueltank return line
- Black Aluminum Phlaform, HOT??
- Play in bravo steering
- Manifold Coolant PSI
- how hot is too hot
- shift cable adjustment
- i need some bbc valve covers
- Motor Guru's
- dum Q
- Big Block Chevy Re-build
- replacement manifold?
- 377 scorpion
- Question about salt water engines
- Do i need 2 Alternators ???
- Upgrading membership....
- 28zx donzi or 292 formula
- electric fuel pump power source
- Volvo 496 runs only on one cylinderbank
- Volvo 496
- blowers
- oil pumps
- Max water pressure with a crossover bypass system?
- Imco Powerflow exhaust manifolds, good or bad?
- head gaskets? o-ring block
- Price of a Merc 330
- hp500efi cam grind#
- Hi
- Looking for 496 take offs
- Oils with good corrosion protection
- hp 500 Question
- flame arrestor?
- compression and cam spec thinking about
- how do can i tell if salt water trashed my motors
- Any crest pontoon dealers on here?? Opinions about this deal please
- 377 scorpion motors ??
- Cam #s
- can i eliminate my sea water pumps
- bravo3 lower to imco -2 shorty
- 500hp efi cam in 454 mag mpi w/procharger
- valves
- Switching drive ratio ( bravo 3 to bravo 1)
- Blowers
- Va Beach Boating
- 049 Hardened Seats?? (1.88 Exhaust Valves)
- 500 HP cam #
- Custom Shifter Bezel fabrication?????
- 305 upgrade
- Roller Lifters
- Fuel pressure switch
- Where to buy parts for a 1990 Four Winns Liberator 201
- Question for those with Lonseal Flooring
- fuel drainback? Tach reading?
- 496 HO Rebuild kit
- what can I expect from a '90 formula 292
- Oil leaking past intake bolts
- Difference 454 MPI VS 454 EFI?
- GenVI Block
- Shore Power
- Starter issues
- Do I need to think about changing the coupler?
- Closed Loop winterizing question???
- camming an oval port BBC
- How to Find a Bravo Cap for Twin Hyd Steering
- Fuel Pump tube...
- Gimbal ring replacement...
- msd 6al
- Trim hyd lines, where to get them
- any 500hp heads ready to go
- 500 hp intake porting
- Holley Hp 500 Jets ???
- Oil Pressure Difference
- advise on headers or maniflolds
- nordic 25 rage what prop?
- Exhaust Gasket
- 2nd battery placement
- N/A 540cid or supercharger
- Would compression ratio effect exhaust reversion?
- New Bell Engineering Regulator
- dart intake throttle linkage
- fuel filter after regulator ???
- Need 1 BBC rectangle port 990 or Pair. Or 188
- cross over or circ pump
- boat weight?
- valve springs
- HP-500 Procharger Upgrades
- Hydraulic Steering Question
- rooster tail? how???
- fuel/water filter
- Texoma Poker Run April 18th
- Best Wax?
- Do HP500's have circulation water pumps?
- Were To Buy A Procharger
- A Very Detailed Oil Presentation
- bravo III and 500efi
- Clarion Stereo Upgrade..
- Lighting headers on stock 330hp BBC
- Rotating flush cup holder for verticle surface?
- Cam help
- Piston Weight
- 600 sc good bad
- GLM exhaust: A good choice ?
- Handguns ??????
- Power play conversion
- 1350hp Sterlings or 777ci NA all motors???
- any motor guys please help with my blower question
- baja outlaw hatch actuator
- 525 efi prop horsepower
- Mild 540 heads
- 454 to 496 swap?
- Question about replacing exhaust manifolds...
- #6 serial Numbers
- How much cam with Lightning Headers?
- shell rotella 40w oil
- Opinions Please...
- holley carburetor float ???
- Mercury alum. bbc head I.D. help
- Mercury "Perfect Seal" question?
- The best hydraulic steering
- Anyone using Big Chiefs?
- Exhaust interference
- gps slip guage
- pwr steering pump seal
- Seastar pro steering?
- Gil battery boxes
- nxti drives
- Trim Tab Question
- 700 mercury engine life
- outdrive is dead, need help
- Tying in a power steering cooler...
- 496 Transom Soot After Reflash