View Full Version : General Q & A
- WTH is this sound coming from 502 mag mpi
- VP 8.1 trouble solved
- 350 MAG MPI...LOW IDLE @500....and RICH..HELP!
- what should my engine temps be?
- Where to get a grip mat for my swim step?
- Vibration while under way
- comp cam in a small block
- Cause of Bravo One Clutch Locked Up
- Switched to Amsoil now this happened
- bbc 460/b&m 250 single carb swap to dual carb
- Transmission Levers Hard to Shift
- Dead Gaffrig GPS Speedometer
- Shifting a BW transmission above 1000 RPM
- 454 build help appreciated
- Need wiring diagram HP 500
- Anyone tried the Garelick Active Seat Shocks?
- Changing windshield to fiberglass
- How to change a rev limiter on 454 mercruiser.
- Installing an Air-Fuel Sensor
- MerCruiser 8.1L 375HP - SELF STARTS
- changing exhaust, what shifter bracket is needed?
- To much water pressure????????
- 25 Sunsation Aggressor
- sbc cams
- Best Marine Stereo head
- Drive Trim Balance
- Please Help
- Prop question
- Mefi 5 (555 merc) software FINALLY available!!!
- where to find the hardin marine ss 496 water pump
- boat difficult to drive at speeds over 35 mph
- New to us Talon 25 with 80's question
- hp 500 no spark
- 525 heads/removal Q's
- GPS tattle tale stuck at 70 ?
- Kryptonite 23'
- Replacing Sending Units?
- Hydraulic Steering versus my exhaust
- oil pump
- average stereo price
- bennett trim tab help, hatch works / port goes down not up / starboard nothing!
- Need speed under 10k
- how much is this gonna cost me!!? broke again
- Trim pump help
- 496 plugs - rear plug port side?
- 03 496 going into guardian mode with no codes help
- Stereo?
- Smoked 502 mag
- I Want To Cry
- any history
- anyone want a 27 daytona?
- Steering noise 2 pump setup
- 502 Block Circulating pump
- Bravo 1 drive oil res tank
- Picked new to me 24x7 today! Couple engine/drive questions...
- Compression VS. Octane ??
- 525 Question?
- stainless marine exhaust reversion
- 454 MAG MPI issues. Won't rev under load.
- Low iac counts
- 5.7 Thottle Body Injection
- good start for a 454 build?
- Chevy 350 SB CAMS for my Volvo Penta aq260
- 502EFI Internal noise diagnosis...Listen
- GT Engineering Propshaft? Driveshaft?
- Speedo Water pick-up
- dropping to idle issue
- Konrad Ace outdrive setup
- Water leak in transom area
- 93 Octane on Charleston Harbor, SC
- Need help with impeller part number.
- 525 EFI maintenance requirements
- best shift cable bellows
- No oil pressure after engine warm up
- cable quality question
- mechanical trim cable
- Opinions on Merc 500 EFI engines
- Recommend aftermarket intake bbc oval
- Bravo one to TRS
- 454 thermostat water sensor misfit
- Need 502 pistons
- 454 oil pan dipstick too short - 1992 Gen V
- chinese stuff...
- Newbie? where to get fuel line
- MEFI adjustment ideas for rich idle on a Procharged motor?
- 454 won't idle !!!!!!!
- where to get vac lines for 454mag mpi's
- Manley cranks ?
- Boat Shutters when slowing down
- Water coming in my rear vents
- Fuel gauge not reading
- Welding a cracked outboard bracket.
- 502 mpi guru's
- Mercury 2.4L EFI
- questions re adding a fuel water separator
- Wet Vs Dry Exhaust
- hydraulic steering problem
- E10 vs non-ethanol: different type of ???
- Merc 260 bolt ons?
- Prop Cover
- shipping a engine
- Rear Seat Grab Handle
- Warning Alarm Help??
- Wiring schematic Merc 525
- mirage 23 plus help
- How much space is required to short stagger?
- CMI valve cover clearance issue
- 496 Vortex
- bravo 1 reservior hose connection?
- 454 Mag Stumble Issue
- Top mount starter pinion depth adjustment?
- 454 Mag Overheat Part 3
- BBC TRS and Bravo exhaust hole dimension?
- 496 HO Raw Water Pump
- Blower oil
- Blowers on small Block.. can i??
- Everything just died
- LOW WOT RPM's
- Can 496HO with EFILIVE?
- blue header
- 01' 496HO Continued Fuel Issues? Help Please!
- Trim issues. Need help.
- 7.4 efi or mpi
- 09 42 litning trim tab indicator cable length
- SBC new build hp/tq request
- Converting DTS Smartcraft to mechanical Smartcraft
- Are gen 5 and 6 flexplate the same or different
- 454 fuel injected stalls at idle after slowing down
- Weird Amp Draw Pulls Power from Engine Ignition
- GM 427 truck block questions
- Baja 25 outlaw Bilge pump question
- Question for the Mercruiser Experts
- Merc 898 to alpha one
- Trim Pumps
- Holley 950 pouring gas out sight holes can't seem to adjust
- aeromotive boost referenced regulator hanging up
- Fuel system and fuel pick up questions.
- how to backflush a 496 ho
- PowerQust 26 SLS Gas Cap
- Keep your Stainless steel clean!
- 502 freshen up?
- Bad Gas?
- Stainless Search light adjustment
- stereo advice
- Is there a cure for Aluminum Head corrosion?
- Looking for a smaller glove box..
- Do i need the internal exhaust flappers?
- Supercharging 260 mercruiser, good idea or no?
- aluminum intake
- small block camshafts
- What to use for greasing spline, u-joint, gimbal brg??
- Huge rattle coming from Velvetdrive tranny??
- wireing harness
- 575sci's freshen and improve this winter
- 496 ho ?
- Mando to Delco
- 454 to 500hp motor
- Speedo needle bouncing..
- Best Exhaust
- Having some engine trouble
- Fountain sea strainers
- skrew hole repair, just silicone or dowel as well?
- Set skrew keeps going loose on Mercrusier control?
- Replacing stringers do tool contaiminate good parts!?
- What difference between gen 5 and 6
- Jersey Speed Skiff
- dart intake ,hp 500 carb .question
- 10 meter trans . bw
- Picking the right Oil Filter...anti drain back valve?
- Vapor lock repair
- Blowing Drives?
- Quiz...How does a dynometer measure Hp?
- B&m 420, 6:71 or 8:71?
- Slave solenoid vs Ford starter solenoid differences
- Retreating Sunbrella Cover
- 454 Mag still overheating...
- 93 ethanol vs 90 non- ethanol
- 350 mag carb bogging
- Need pinout of Rinda ECM 555 adapter (94006)
- Whippled 496HO running hot
- Big Block Ford Mercruiser Swap ??
- 500EFI intermittent power fluctuation
- filter
- Market Value on an 88 454/Bravo 1?
- How much timing? Octane?
- Water pressure relief valve placement?
- Oil pump - high volume or std volume?
- Stellings out of business? What to use?
- steam from exhaust
- Mercruiser 5.0 liters engines
- TRS 330 454 Power upgrades
- procharger fuel system routing
- 525SC Fuel Burn Rate
- 496HO to a 540ci
- breaking up / missing ?
- AFR heads and matching roller for a 454 mark IV short deck 89-90
- Circuit breaker woes
- 454 problems
- NEED G.M. part #
- starting an engine that has set for a while
- thoughts on twin 383's
- help identifying y valve
- better late than never
- Oil pan and dipstick question
- water in oil,water coming out dry exhaust
- What is diameter of distributor shaft for Merc T-bolt IV?
- nunbers dont add up!
- Whipple install help! Dustin???
- 88 Baja 240 holeshot help.
- Looking for 454's/502's
- 5.7 liter efi (need help)
- 383 stroker
- 7.4 mpi surge at 1100rpm
- 502 mpi piston and ring question..
- 502 MPI Vapor Lock Issues
- 496 HO solenoid clicks, wont start
- 1997 34 Powerquest Vyper tabs/drives/prop questions
- Throttle Linkage clearance issue
- Electrical issue
- 525 electric fuel pump
- Is the mph correct for specs??
- Repower almost done!
- Name this engine please
- Repetitive Ignition Coil Failure - 502 MAG MPI
- 525 suddenly runs rough. Help.
- 502 Lost Power acting like V6
- How much fuel do you really have in the tank??
- Engine running extremely rich
- First boat...FW Liberator 241 or ?
- Eliminate ignition keys in favor of push buttons
- I need baja engine hatch hinges..
- any one own a 27 daytona?
- Best pitch prop?
- Subtle pop
- 1996 mercruiser 7.4 mpi/efi Fuel Injectors
- Can anyone tell me what my 25 boss cougar is worth?
- sliding truckbed covers
- 1995 502 rattling noise at idle
- Well, I cut my oil filter open and...
- 2001 Magic Tilt Trailer Value
- Dyno-Flo
- 496 running warm
- Excessive distributor gear wear from billet cam
- 21 foot maxum to what? new to forum need help please!
- Holley floats - brass versus nitrophyl
- can anyone confirm hp rating for a 7.4 LX MPI
- Tyler Crocket 100hp upgrade
- Teague motors
- 496 HO - fuel pressure adaptor
- merc fuel pump