View Full Version : General Q & A
- Dpx A 385hp Fuel pumps
- Blower Motor Hard to Start When Warm
- Pistons
- Rusty engine coupler - repair or replace?
- Raw water pump belt squeal...
- Blower motor jetting for high altitude.
- Anyone else convert to a closed cooling system ???
- 500 efi hydraulic steering question
- Big Block Chevy Ing Timing
- Mercruiser 5.7 - PCV system bogs engine
- 2005 525 efi ARP head stud kit #
- Sea Strainer question
- 500 EFI fuel psi at rail/schrader valve
- hull design
- Fel Pro Gaskets needed.
- suck or blow?
- Nxt water pick up
- Trim tab hoses
- Electric Trim and Drive Indicators
- Fuel treatment brands
- Kiekhaefer trim pump
- gps????UGH
- Mercury 280 K plane- mechanical indicators
- I just cant leave anything alone !!!
- Controls
- torque roll
- Roots to whippleish quesitons
- Oil temp/cooler setup questions
- Cyl 3 spark plug came appart.
- Cracked manifold ?
- Anyone convert from carb to FI?
- Drive fluid
- Best Starter motor ?
- Plugs
- Fuel Injector Question
- Battery/Electrical question
- Would a Bravo 2 fit on a 4.3L engine
- Holley Sniper EFI
- 700sci keeps loosing exhaust flapper on port side
- Mobil 1 M1-302A, has anyone looked into the new FRAM Ultra Synthetic XG5?
- HP vs Prop/ RPM
- External water pick up question
- Raw water cooled Gen IV BBC TRS 370
- Thoughts on this anti corrosion system for engines?
- Center of gravity?
- Chevy 5.3 LS injectors
- 525 Merc Monitor Code 121
- 454Mag - GenV - carb - dry exh. - what CAM ??
- Mercury Vessel View Mobile Won't connect anymore
- Oil bypass valve
- Mercruiser 502MPI - No Ignition power.
- Carb jetting/power valves.
- Bam 1350 gone bad
- High water temps
- 496HO very random running issue
- 1978 Magnum 24
- what controls cranking injector pulse width
- Intercooler plumbing 700sci
- Chrome Paint
- Mercury 383 running rich?
- Cam lobe wear - 502 MPI
- volvo penta 8.2 pushing dpxr drives overheat
- 12 meter stbd side seat not working.
- 383 MPI builds
- Valve Spring recommendation needed 502 Mag MPI
- What do I need????
- What's being built?
- Bravo One Upper Lower Compatibility
- Bravo Cavitation \ Ventilation Plate ?
- Rec90 vs 91 Octane fuel
- Melting pistons - but only 7 & 8 Fuel???
- How should I interpret these moisture readings?
- Fuel pump questions
- Transverse muffler solution
- Older fountains water, fuel pressure hose (AN) size.
- Verado 300 high water pressure
- 1989ish Merc 454 fuel pump
- High oil temp
- Building Tails... clearance between inner and outer pipes?
- fuel pump/ fuel system question for a new build
- 525efi in gear switch.
- 8.1 or 8.2 issues
- Funny question - water shooting out of exhaust a minute or two after shutdown
- 2001 Mag MPI HORIZON FUEL PUMP SPECS
- Fireboy hydrostatic tseting
- What Series Shift and Throttle Cable Do I Need?
- School me on NA air/fuel ratio readings - where should they really be?
- Pics of K&N oil filter cut open
- 502 mpi hard restart
- HP500 carb jetting
- MEFI 1 #7 injector - fuel rail feed hole
- 496 mag fluctuating Rpm , while going fast
- What fluid for a bam. 1350
- EMI Thunder SBC runner size
- Add-on Steering Issue HELP
- 5.0 to 5.7 swap TBI Injectors
- 454 Slow Cranking
- 500 EFI won’t build fuel pressure
- Oil level in Hardin 11qt pan
- Gen 6 Oil Pressure sender location
- 454 Distributor
- Low Hour 383 valve seats dropped, why?
- indicator cables
- Crank driven raw water pump
- 350 vortec cam question
- Harmonic Balancer
- Mighta made an oopsie. Name that Knock!
- HP 525 EFI - Engine Overspeed
- Recent 500 efi injector test vs another claimed replacement
- 7.4 mpi no spark
- ITS transom assembly wire help
- 525 efi rebuild
- 1996 350 vortec compression question
- 8.2 oil pressure sensor location
- Head size to match block bore?
- Drive tilt trim hose
- Ready to kick this pos down the road…
- Oil Block adaptor Issue
- Vapor lock 525 EFI fix?
- sea strainers help ID
- Sequence once on plane
- 7.4L Overheat and no oil pressure.
- Wide band o2 sensor location
- Help with injector replacement Rochester 17090304
- Transmission repair shop recommendations
- Intake manifold recommendations -
- 500 EFI - Adding Fuel and Oil Temp Sensors?
- Borg Warner 72c ratio 1-1
- Bad ignition module symptoms??
- 454 MPI mefi programme
- 2007 353 2X496 Tab button
- Mercruiser I/O life expectancy
- Target afr numbers
- Bad leakdown test results - 502 MPI
- How to determine what exhaust I need?
- Bravo One power steering leak, somewhere...
- 28zx donzi scorpion top speed questions!
- Electrical Issue
- Mefi1 guys please HELP! 502 efi GenV problems with Mefi1
- Best place to purchase forward offshore mounts
- 1995 7.4 Merc KNOCK
- Speedo removal, feels like its glued in! DCB Mach 22 with Gaffrig
- 2003 Merc ELPTO 75
- How will it run if both engines are different
- 7.4MPI - Vapor Lock??? - Solutions???
- mercruiser 454 Magnum MPI shutting down during operation
- What kind of boat is this?
- Boring and oversized piston 700sci
- Oil temp sensor location.
- Loosing RPM 5.7 EFI
- Suddenly lost water pressure and got overheat alarm...
- Gauges dont work after whipple programing
- Outdrives issue?
- Tunellcram
- Imco manifolds and reversion.
- MEFI 3/4 Connector PN?
- 496HO Down on power
- Where to calibrate MEFI 3 ECM
- Stepped Hull Prop rotation IN vs OUT
- Bravo mystery oil disapperance
- Fuel delivery problem
- Mercury wiring
- What engine is this?
- MEFI 1 knock sensor/module behavior
- I need a new motor. Where to buy??
- One more oil temp question…
- Lost spark and loosing my mind. Please help.
- Finding 3M 5200/4200 locally
- CMI E-Top tails question
- Proper external hydraulic steering ram locations?
- 280 to 380 bottom plate part #
- 496 Fuel Rail Fuel Line
- Not another oil temp issue -just high oil temp info
- Gen 2 Cool Fuel Pump Seized
- Gimbal bearing grease Seal
- V6-14 module is same as v8-24
- Marine fuel regulators, what the difference
- Odd drive trim issue
- Progression Ignition Dsitributor??
- Retractable stern light?
- High Water Pressure Merc 700 SCI
- 700sci intermittent no boost
- Boat won’t stay w trim connected to battery.
- Best endurance mods
- 700sci rebuild thoughts
- Parts lookup for 450R
- Thoughts on the Formula 382 SR1?
- stern light HELP
- Hardin Marine xtreme fuel water separator
- Vapor lock 350 MPI MAG's
- Holley 4150 (9381) 830 Jetting
- 496 mag strange intermittent problem
- Trailer bunk covering
- Need some ideas - port engine noise
- Help required
- Bravo 1 prop and shortened barrel
- Drive height effect on trim
- Sick Stinger
- 700sci long block
- refueling issues
- Lifting hatch throwing two codes (700 SCI)
- Daytona sensors HELP
- Pls look at pic of my drive gear magnets
- Mercruiser Mark iv oil temperature issue
- Break in
- Mercruiser 350 MPI won't start
- Cable ends/adapters for Morse MYLV control?
- Can I run stock Y-pipes on a 500HP motor?
- Mercruiser HP420 Build - Recipe Input
- Crank no start
- Aftermarket tuning solutions for Merc 555
- Rotation
- Team Archer Marine
- Next bellow part number
- 496HO short 350 rpms
- 496HO short 350 rpms
- Mercury 700 sci adj shift interrupter?
- Cataula, Georgia just north of Columbus
- Lean at WOT
- 496 cool fuel bypass
- 2012 700SCI (236 code emergency stop)
- Innovate wideband rpm signal
- Fuel Pressures while running - 502 Mag MPI
- How do I upload pics as thumbnails?
- Whats going on with these Gil Exhaust Manifolds?
- 700sci fuel pump doesn’t turn off
- 700 SCI running rich @ idle
- Plug and play for 700 SCI to replace older Vessel view 7?
- TB-IV and MSD 6 issues
- Pulling staggered engines
- 525 powersteering problem
- trim diodes
- Mercury Clean Power Harness for DTS motors draining battery
- Add on hydraulic steering with mismach parts?
- Why the GM Longblock slowdown?
- Sniper installation
- Oil temp issue
- Block oil bypass vs filter bypass
- Steering, Full Hydraulic fluid ?Helm Steering fluid?
- Question/Ideas, Stbd engine burning a lot more fuel than Port
- Trim Pumps Question
- 600sci
- Power Steering Pump ID help
- Top end work
- PLEASE HELP 454 mpi bin file
- 496ho won't rev past 4600rpms
- 2001 454 MAG MPI Horizon Timing Curve
- Filling corrosion holes on extension boxes for powder coat
- Need solenoid part numbers 2002 B1
- Removing nxt drives