View Full Version : General Q & A
- Another water in oil milkshake thread
- Water in motor..need help fast!!
- Head Gaskets...head bolts..
- Baja 252 motor help
- When started, EFI motor will not idle below 3000 rpm
- Smart craft trim limit switch
- steering question
- Serp belt tension
- Lubricant for silicone exhaust hose?
- Painted boats hull cleaner?
- Scratched CMI polished Sport Tubes
- corsa solenoids ratling when diverted to prop
- wiring questions
- timing chain question
- transom assembley help
- Pondering the thought of doing a LS motor.......
- Any wlders in the house?
- Junk VST Electric Fuel Pump
- Hardin Gen 7 Sea Pump Install
- Motion actuator for power bolster seat, I need one from a Fountain or other boat!
- New engine ready to fire but WONT! Expierenced techs Please Help!!!
- Steering leak at the helm
- Boost referencing carbs
- recommended manifolds for 540 tall decks 600hp innovation marine
- twin engine fuel burn from side to side.
- Drain plug adapter
- 496 ho
- 03 496 ho double beep
- Horrible Idle on a holley 800..
- Smallbock oil adapter
- WTF,, does anyone make a tall life or ski vest for guys 6'-6'+
- 900 low oil pressure and cold filter after oil change???
- Recommended GPS with depth capabilities ?
- more HP for 502 mpi
- Lake Texoma Eating
- Running rough at low RPM after warmed up
- HP500/ BBC short water pump part#
- 502 MPI Surging over 4200 RPM
- New Oil Coolers? Yes or No?
- Gaffrig oil pressure sender
- Merc 7.4 Gen V clicking noise
- FAST Air Fuel Meter??
- RPM Drop in 1 Engine
- 12V DC Air Conditioner - Anyone have any experience with them?
- 496 with Whipple
- Gen IV Heads On Gen V Block Coolant Port ?
- Ethanol resistant fuel line?
- motor swap, now gauges dont work
- flame arrestor
- Bore notching 4.310 bore
- kiekhaefer trim tab manual or information needed...
- Throttle response.
- Anyone noticed slower speeds with the higher air temperatures?
- Heat Alarm wire..
- 1999 Donzi 26ZX performance results with new 502
- 600sci Impeller DIY?
- Replacing trim and drive indicator cables on Bluewater Performance panel HELP!
- Who designs custom dashes for older boats?
- Seeking a brochure for a 20 foot Cigarette
- Cast Iron manifold -> Stainless exhaust pipe
- Valve cover removal with exhaust on?
- Mando alternator wiring....
- Merc Racing 525EFI. SAE or Metric fasteners?
- Dana Exhust
- Replacing 502 with 496s
- Replacing 555 on 496 with MEFI Controller
- Exh manifold leak test w/acetone
- single 4150 fuel feed recomendations
- running hard with or without Silent Choice open
- This pizzes me off! Who is CP performance trying to kid
- Size of hose on speed master 3
- Swapping to a sea pump on sbc...
- anyone have 500efi valve cover baffle pics?
- fuel/water separating filters
- Pump size nozzle on a stock HP500 holley 850..
- Sierrs f/w sapartor
- Temp problems with 27' Advantage Victory
- Mefi 1 ecm bad, ideas??
- Need some help guys! Just bought a new boat.
- Dual Carb Adapter Gasket On Blower ?
- Skag repair on Sportmater lowers
- 1997 Gen VI MPI
- L-29 heads question?
- 7.4 MPI Vapor Lock and "jip joint gas"
- Oil cooler location and funny story
- exhaust manifold
- Oil Cooler Line Diameter
- 454 massive carbon build up on spark plugs back of the boat is covered in suit
- best prop for 26 Daytona
- 7.4 330 oil leak under power?
- Baffled by apparent reversion issues with Lightning headers and mild cam
- Changing oil with engs out
- Motec display with smartcraft?
- 525sc died at 70 mph no spark
- Bravo one trimming noise!
- Holley power valve sizing.
- ( A/F ) air fuel ratio for NA 350 vortex
- 330hp to 350hp vortec 454
- Engine Weight ?
- Fuel leaking out of vent ??
- Engine Oil Overfull (Due to extended high RPM runs)
- Intake Manifold Oil Leak?
- 4 Blade vs 6 Blade.
- Geico, Seaworthy Ins, Any Horror Stories?
- auto technician needed
- trouble with 525 sc
- looking for two pair of 4.5 flapprs for myexaust p
- 2004 47 fountain oil pressure sending unit
- Need opinions/suggestions 12volt battery system
- 525EFI water pump
- Gil Oil coolers
- Turbo question! Advice needed
- Dyno Day! Question for engine builders - A/F correction factor for dry dyno headers?
- 496 HO 2004 - Shutting down when throttling down
- anyone running a 5 blade with 525 efi?
- Corsa switchable exhaust swap.... Baja 272
- What are they worth?
- Ocean Marine AC unit reading HPF???
- Recommended oil for my 7.4
- Need advice about sea strainer on a superboat
- U joint shaft bravo2X
- 01 38 fountain lightning gen iv bbc what couplers and housings
- Anyone bought a new oil cooler that had something rattle in it?
- Power Steering Pump Pressure for Ram
- Where can I find a eddie marine part that is no longer made....
- Fuel Gauge...
- 525 Mercury Racing Engine pulling back once it hits 4200 rpm
- lying to your insurance company? ??
- TB IV and V ign info
- Where to place AFR sendor Or Stanless Marine Exhaust
- Backfire through exhaust on initial startup
- Hardin marine ?
- Spun Prop What Else to Look For
- EMI risers, cracked one
- 99 formula twin 7.4 mpi bIII vibration/hesitation help
- motion 30 vs spectre 30 ??
- how to I.D a 454 Magnum
- How reliable / durable is the Merc 6.2?
- Lost oil pressure
- Engine rotation
- Comp cams 212 Timing cover
- Drying out cabin carpet ??
- 502 mpi thoughts on pitching injection and going with the carburetor
- WPM Steering
- 144 blower on stock 350
- Oil Temp Question
- Here we go! blew up a blower motor
- Owners manual, 1991 Sonic 31'???
- Overheating problem-more challenging than usual
- Corsa quick and quiet exhaust mufflers
- gages
- Why jetting so staggered with a single plane?
- Anyone want a 2012 38' Powerquest? Looks like an auction for unfinished boat
- Carbureted 502 MAG Timing And Fuel Help Please!!
- Hardwall water hose
- Fuel pressure on carb 454
- MLS or Performance head gasket
- Dyed vinyl question
- 6.2 engine torque?
- Compression Test
- Finding Taco vinyl rubrail insert
- Stainless Braided Trim lines and Kplane line extending
- Problem !! Electric gremlin I think.. Help..
- Correct Flywheel??
- 496 Mag HO Rev Limiter ?
- Help with Warlock Performace Machine steering ram
- 7.4l 330 hp needs a new carb what do you guys suggest
- Replace silent choice on my scarab? or keep replacing seals?
- ethanol fuel messing up Gas Tank sending unit???
- Fuse or not to fuse "That is the question"
- Looking for Some Insight on Merc 500 EFI
- Where can I get exhaust block off plate
- 496 vs 540
- O2 sensor without drilling and welding Lightning headers
- hydrolic steering question please help
- 502 not firing on all cylinders/raw fuel in exhaust
- 502 MPI Cool Fuel vapor lock - other options than new electric LP pumps
- welding Lightning headers
- carbed 454 mag will not idle
- Aeromotive Fuel Pump issues
- BBC physical size
- best exhaust for the dollar
- Power steering ram leaking.. need help on finding parts
- baja to a sea ray
- 496 whipple loading up on idle
- Newly rebuilt 525efi will not fire... help!
- best place for hp transom assembly
- Engine shudders and sometimes stalls when Bravo 1 engages fwd/rev
- CROSSOVER help..yes another crossover question..
- Stellings Greens VS CMI Etops
- what heads 308 darts 290 or 305 afr heads
- gen v info?
- What makes a "fast hull"
- 525 sc ?
- Mercruiser 502 EFI stalling question
- performance gain???
- 500 EFI Issues. Wont Stay running......PLEASE HELP!!
- Battery Selector Switch??
- Does a K&N spark arrestor help or hurt? 500hp
- New water pump done. Problems?
- Gen iv gen v whats the difference
- Taco Part
- Where can I find plastic mipples that go into valve covers for venting??
- New or old style head gasket EFI 500 .
- Idle poblems 502 mag MPI. Please help!
- Please help identify what kind of boat this is!
- EMI Thunder Exhaust Manifolds HP limitations?
- 496 Mag water pumps not priming with new impellers. Time for new pumps?
- 502 mag part # please
- Battery Question.?
- 383 build opinions
- need help with 525 sc engine not going over 5000 rpm
- stelling header tails
- Changing Gil exhaust from wet to dry pipes
- iac duty cycle numbers
- Mechanical fuel pump, need some help
- Carb Spacers, Whats the low down on them?
- Mercruiser Fault Codes??
- Need help help
- 1978 python boat
- Lake Tahoe mechanic needed
- Where not to buy boat parts
- How to identify Merlin heads....
- Mcleod bolster switches.....
- 502 MAG not advancing
- Wiring up a 10 pin harness in 88 formula help
- Need input if anyone has experience with Competition Products crate motors.
- Stuck Steering Wheel, HELP
- Anyone had oil starvation issues running screens in the lifter valley?
- Dire need of an accessory drive pulley for weiand 177
- Need help troubleshooting vacu-flush ??
- Closed cooling help... wont come up to temp
- Mefi 3 idle problems/throttle ??
- gen v head swap
- 502 Mag MPI fuel injector cleaning interval?
- Vapor lock fixed for good boys and girls
- Power steering cooler needed?
- MSD Dist cap center post Failing????
- Mounting exhaust tips?.???
- Help, Motor won't start. Merc 454 Mag EFI
- nother power steering question; fitting sizes...
- Looking for surveyor in Chacago.
- HP500 water plumbing
- Water / oil temperature 35 Cafe racer
- outdrive anti-foul spray paint.
- Tuning For E10
- Engine heating up
- New heads
- replacing eddie marine manifolds with gills.
- 88 top gun fresh water pump location ?