View Full Version : General Q & A
- Engine oil turned green
- Can you pull 502 BBC crank w/o removing heads
- Inner and outer tiebar?
- Mercury 522EFI MAP sensor code. replaced still code.
- oil temp question
- Mercruiser Module assembly ( knock sensor)
- Crownline 225 CCR 454 MAG is slow!!!
- Engine warining alarm
- Another spark plug post
- New motors mefi 4a base no spark
- 572 BBC Blower Engine - Low Oil Pressure Problems
- Using Aeromotive pump with AN-8 What fuel lines are USCG approved for AN-8
- 5.7 mercruiser alternator?
- Advice on where to start rebuilding 5.7s.
- 350 Magnum, no spark on new motor
- Mercruiser 496 HO problem
- 575 SCI rebuild
- Status of Mercury Remanufacturing? 383 stroker MPI
- Moisture displacement and carb fogging...
- 500 EFI oil pump pickup
- Which cool fuel do I have?
- Anit Siphon Valve Size
- 2000 Baja 442 new to me. I'm looking for any info help tips or anything else
- 1996 Crownline 454 mag MPI running rough after a run!!!
- 2001 Volvo DPX drives hard shifting
- Tragic night on lake involving Shark Tank Shark
- Mercury racing 525efi power steering pump
- what to do about my crankshaft
- The long time running 496ho debate..to keep or ditch
- Intermittent Alarm 525
- fountain fuel sending units and gauges
- Need Help with2000 Mercruiser 500 EFI stock fuel injectors
- Blower motor surge
- Pulse widths for injectors
- Acco/mercury steermaster mk3 replacement cable?
- Lazy starting 454.
- Merc Trans II fitted to an LS block
- BBC steams after running
- 2016 Merc 8.2 hard starting
- Louvered vents - 1994 Fountain Sport fish
- 1989 Yamaha 175hp
- Advice on cross over BBC's
- Power steering pump
- Link bar lifters and valley pan 525efi
- Oil Pan for 632
- Engine loading up at idle MPI
- engine guys,,,build 468 won't run out
- Gibson Houseboat 496 8.1 Vortec
- Cool Fuel, VL and New Pump Discussion
- Serial Number Specification
- Thermostat with blower and sniper
- Drive shower installation
- 500EFI loosing power, then Popping /Backfire above 2500rpm
- Need some advice
- Merc 6.2
- 96 454 mag won't start
- Silent choice question
- Installing extension box
- Air filter on Pro Charger set up
- 525efi dart heads
- O2 Sensor question
- Power steering pump difference
- need to find rev limiter modujle for 525SC
- Holley HP EFI settings
- GGB Inserts anywhere?
- Fuel preservation
- Coil question
- Htm 24 needs a cover
- 525efi temp question
- 525efi temp question
- 496 Base to raylar cam PCM remap
- 2001 Fountain 29 Fever repower help
- Spark plug choice
- Valve train noise 525 efi after top ends
- Help with engine identification...
- Help! Need marine machine Sea strainer part?
- Replacement horn...is nothing simple?
- Proceedure to set neutral drive position
- Any ways to increase vacuum signal?
- Machine bell housing for rear mount
- 2006 mercruiser 6.2 engine specs
- M6 Drive
- Conversion to MerCruiser extender box
- San Diego to Cabo Advice
- Baja 242 islander low rpm and top speed
- Headers vs Manifolds
- K Plane indicator cables
- VesselVeiw RaceEdition
- 06 Eliminator Engine dies when switching tanks
- 2003 500 efi
- How do I clean these air filters
- 454 Mag Fuel Pressure Low
- Fuel filter
- Strange prop issue on a Scarab 22. Please shed some light.
- Wrong drive ratio?
- Mechanic - Sandusky, OH
- Fault codes 75 and 191 496 mag
- IAC (driver)
- 502 cam selection (flat tappet)
- Psa
- CMI headers and Sealant
- Fuel pressure 15 psi HP500 carb
- Mercruiser 496 / 8.1L fuel dampener O-ring
- Mercury Racing 1075 air cleaner substitute?
- CAT Motors
- Msd and gaffrig tach
- Machine shop services in the Midwest
- Spark Plug Change Frequency on Mercury 525
- Cam ID needed
- Second guessing my cam...opinions?
- Dual controls
- In the market for roller lifters..
- 1995 Baja 272, 7.4 carb
- Holley HP EFI install will only spin to 5150
- Anyone use the SeaStar extreme mechanical steering with an add-on system
- can it be done? a TR-2 outdrive mated to a Mercruiser d-tronic 250?
- cavitation?
- Arnesons prop rotation
- Please delete
- 5.7 vortec fresh reman from the machine shop with rust?
- Help with my 383 stroker build
- Mercruiser 7.4L MPI slowing down
- 496 HO Twin engine issue - 1 side over revving
- Electric fuel pump died - replacement
- What is the right Fuelpump for Mercury 600 662 700 SCi Engines from Aeromotive??
- 496 HO Drain Actuator
- 496 Mag HO running hot or is it?
- Upgrading 496 questions
- Mercury racing 525 EFI rpm and prop
- Lifter failed, wrecked cam, were they the correct parts?
- My Crane Cam
- 502 mag mpi question
- Imco SC/Bravo Helmet bushings
- 500efi issues
- Gen 5 454 intake manifold gasket?
- Imco steering ram wont budge HELP!
- Compression and Leak down results. Help
- Ladybugs in fuel system
- Switching from RH to LH prop any issues
- Bimini top hinges 1.75" bolt spacing
- EST Distributor need 20 degrees of advance. What to do?
- 454 and B&M 250 questions ! 700hp build ?
- Mercury CNC props Bblades MRI scan
- Mercury Racing 400r Platinum Protection Worth It
- Carb to EFI
- Gaffrig GPS Wiring help
- 575 sci water psi sender
- Daytona Sensors idle stabilization ?
- I know it has been beat to death but ... hydraulic roller lifters ??
- Oil Temp Sender Location
- 496 Heads
- 496 MAG-HO running issue
- Add on to Full Power
- Looking for Mercury cupped (belleville) washer for 1-1/4 prop shaft
- Identify this switch/cover/actuator...
- Supercharger water intecooler feed line
- Steering ram identification
- CP Performance Stage 3 Upgrade for Mercury 525 EFI
- Oil filter attached to valve covers LEAK
- Advice on steering hose
- Shout out to Bup
- 496 ho with raylar 525 keeps blowing head gaskets
- 31' copeland race cat
- Speed limited Blackhawk
- sbc aftermarket cylinder heads
- Mercruiser 4.5 Fault Code
- 496HO code 160 help
- Port side drive will not come up to trailer position?
- 500 EFI dies when shifting into gear.
- Steering Actuator Question
- Mercruiser Crank No Start With Code 41
- 496 Ho Mag alternator
- 2001 Mercrusier 496 low fuel pressure
- 502 Front Crank Seal(s) keep leaking
- whistle in drive?
- Raw water pump/fuel pump
- Header to riser leak
- power steering pump /hydraulic steering issue HELP
- 2006 25 Baja outlaw trim tab switch relay
- Oil pump failure
- Merc service manual #2 or #3
- Mpi stalling
- Fountain Trim cylinder
- Mercury 525 seawater pump
- Custom cams?
- Where to dyno
- mounting some tabs on a warlock 25sxt cat
- Is this OffshoreOnly
- Dry Pipes
- Merctrans 2 no reverse please help
- Truck question odometer
- Apache Scout Chine Walk
- what could this 454 be worth
- Formula porta potti
- Cool Fuel 502 MPI fuel Pump, how much HP does it support? GPH?
- Power steering pump still on going now a new thing
- So what do you think
- What head bolts to use on EQ-CH454A heads
- 496 mag preventive maintenance
- What brands of roller rockers fit under stock cast nalve covers
- Any Viper Guru's
- Temp gauge question
- Inline muffler
- Hydraulic Steering issues, low and overflowing after sitting
- best oil to use
- 99 scarab starboard engine not making the power the port one does
- MEFI tuning
- 454 EFI upgrades
- I bought AFR heads and the head accessory holes are too small, has anyone drilled the
- removing/shorting flare on prop.
- 525 Sea Pump Weep Hole
- 500efi Rough Idle @ Warm
- Eickert 675 Cam Spec??
- MSD distributor failure
- Power steering help needed please
- Mercruiser 502 MPI 1995 Running issues
- What is needed for a cam upgrade
- 500 EFI mercury
- 632 CI BBC engine help
- proping an 89 flat deck
- (Another) Hardin pump issues thread...
- No water to exhaust manifolds?
- 454 mag mpi fuel system
- 525 Vapor Lock
- 500EFI question
- Setting water dumps.
- 8.1L cooling system
- Black soot on transom?
- Carburetor set up help - engine stumbling while planing
- Formula 502s High Hour Help
- 1992 Quicksilver throttle controller upgrade.
- Eaton Hydraulic Seering Diagram
- Thru hull exhaust hose getting hot on one side!!! Help!!!
- Read my plugs
- Who can modify the tune in a factory Mercruiser EFI ECM
- 496 MAG HO Overheat Alarm Faster After Raw Water Pump Rebuild...
- Mercruiser 500hp efi: Rocker Bolt cracked ...
- 496 HO Fuel pump issue?
- Bbc help
- 496 no start electrical issue
- Mercuiser External Ram (TRS)
- New to boating and have a couple of question
- 98 454 mpi with prochargers fuel issue
- ECM 555 Locked?
- 2005 Nordic Heat questions
- Looking for a wiring diagram for 14 pin 496ho
- Fueling issues!?! Help!
- GM 049 head valve seats
- 500 efi
- Manifold Restrictors Recommendations