View Full Version : General Q & A
- Why 50 weight oil?
- Aftermarket bearings seals for sea water pump
- 496 efi high idle
- Generic Oxygen sensor
- Extension Boxes Help.....
- 383 Carb Questions
- 25' Daytona setup and progress
- 35 Cigarette Trs mistress/cafe spin in or out??
- Omc cobra outdrive vs king cobra outdrive
- Cooling issue - water flow, need some guidance
- Installing a blower scoop in the hatch
- 454 MPI wont turn above 3200rpm
- Fuel pressure with carbs. Volume vs psi
- How to Remove This Charger?
- Scorpion marine endurance clearance?
- Exhaust Gasket Preference for Aluminum Manifolds?
- water pressure regulator
- Closed Loop Conversion
- Scorpion roller Rockers...
- 96 mpi mefi 1 no fuel pump or beep
- BBC Hyd Roller Lifter Lift
- 496,,trim limit switch
- Drive trim sender - any way to test?
- Camshaft ID help
- MEFI tuner in Lake Norman, NC area.
- How to identify 15' Boston whaler YEAR
- lineup ssm3 and engines
- Mechanical vs Electric fuel pumps
- Fuel coolers
- Thus just pulled into my service drive....
- What size Oetiker clamps
- bilge pump replacement advice
- Blower jetting
- K-Plane Reinstall
- Battery isolator or Voltage Sensing Relay
- Stock Fuel/Water separator hp limit
- Rattle noise
- 502 MPI Water Pressure - Part 2
- Where should the oil filter be located?
- WHAT IS THE Correct Model Racor filter fuel gas for 496HO?
- Does anyone know Jim Benny???? Motor builder in Maryland
- Best mufflers for 509 mercruiser with blower 787hp
- 1974 Monza 26
- Hydraulic Steering Upgrade
- 502 extreme water temperature fluxuation under power
- Intake or spacer
- 502 MAG MPI - upgrade heads or stay stock???
- Another 5.7 mercruiser will not start.
- Holley Ultra XP carbs ~ any feedback?
- Through hull pickups
- Hardin Marine Seaward Small Block Exhaust System? Anyone running them?
- Mercury 500 EFI Water Pressure sending unit
- Help! I don't know what I'm doing but I really want a boat.
- Prop shaft depth
- Anti-reversion plate vs shear plate
- T Bolt Clamps
- 502 Mag engine noise with video.
- Thunder & Lightning Headers/Manifolds - Has any body ever used these?
- Cleaning bilge; what is this?
- Shore Power Reverse Polarity
- Looking for these flappers 3 1/2 inch
- Changing oil with oil coolers?
- 496 Mag HO fuel pump fittings
- Hydraulic lifter
- Bravo 3 propellers choice. Best guess needed.
- 525 efi oil temp sender location
- Switching from Thunderbolt V, to Thunderbolt IV, which module would be best?
- 500 Efi need wiring colors on alternator
- Anyone tried the Bblades Speed prop?
- Counter Rotating Engine
- 496ho mag help please!!!
- Low compression cylinder 7 and 8/ blowing smoke out of valvecovers
- Quench vs static Compression Question
- Merc 900sc jetting
- Transom leak ?
- 454 7.4 gen iv head casting numbers please
- Is gen 6 330hp flywheel the same as gen 6 magnum?
- Water hose in XR drive
- Exhaust Steam
- Sea pump recommendations
- just noticed this? how much of a problem?
- Cmi e-top repair help needed!!!
- New exhaust Christmas in April
- Fuel Filter Question on EFI
- Can someone please Identify this 280 K plane part!
- 500 EFI whipple kit, exhaust?!
- 500 efi thermostat housing
- What exhaust systems fit Sidemount Whipple on 500 EFI Intake?
- Running engine out of boat
- Lucas Speed Limter
- Thoughts on fuel additives
- What can make 500 EFI shoot oil out the dipstick tube?
- Engine run stands
- EFI Fuel system configuration
- closed cooling system kit 750hp
- Top mount control opening size
- Break in oil
- Hull mounted water pickups for 25' daytona
- Mercury optimax with smartcraft connecting analog gauges
- Pressure check valves for IC piping
- Boyne Thunder Street Show 2017
- Rod ratio vs reversion
- Oil pressure or oil temp gauge?
- Newbie building a performance 454 needs experienced advise
- Electric pump as well as raw water pump?
- k plane cable question
- LS speed density
- BUP: injector help
- MEFI 4 adx file
- adding full hydraulic to a low pressure hydraulic steering system
- Full Hydraulic Steering vs Add on kit or maybe a (DIY Brizilan Valve?)
- I found a prop that has exhaust holes in it.
- 700 SCI idle adjustment
- Anyone have a set of CMI tailpipes w/o silent choice???
- How to read spark plugs.
- What is wrong
- Cam gurus!
- Oil pressure issue......
- 525efi Questions
- Quicksilver Oem Part # 47530 Hub
- Transport of boat estimate
- MEFI 4 sensor supply voltage
- Ok, so how fast will this old pig run? 24-7 pantera.
- Length of cables
- AC Units - installed
- Docking lights
- Oil leak at distributor.
- B&M250's
- 502 mag MPI cooling system
- 565s short on Rpms
- New 572 builds hp guesses
- seawater pump impellers
- Help help help help help!!!!!
- Video of motor in a Formula 303 I am (was) considering purchasing, please advise
- Merc 177 blower Upper Pulley
- Exploding Head
- Remflex Exhaust Gasket PN
- 454 Magnum MPI will not go over 3000 RPM when in gear
- Thermostat housings
- Cam Upgrade comparison....
- Does hail damage boat even if nothing is visible ?
- Carb comparison article
- Fuel Tank sender depth
- Adding another Trim Indicator
- Power steering , hard
- What length/part # is a mercruiser serpetine belt 2000 MPI 8.2 w/o PS.
- Flare to AN adapter
- fuel issues
- Duel Side by side gas tanks-fill?
- comp cams short travel hyd roller lifters
- Pit stop USA
- 575sci/ ITS School me!
- 496 HO belt squeak/pulley when cold
- stock 525 efi lifter
- Lifter madness
- ProMaxx 317 heads arrived
- Prop depth
- Distributors
- Trying to post pics on my classified ad but it keeps saying they are too big.
- Upgrading throttle body and flame arrestor
- J tubes
- Piston Rings
- Air Fuel Ratio Meter
- Welding Aluminum Exhaust Manifolds
- Trs drive/merctran 2
- 482 merc
- Carb linkage ratio
- Source or cross reference for merc 502/500 fuel pump harness end
- Lathem steering rams?
- Replacement injectors for 2000 500 EFI?
- hardin marine vs stainless marine question
- Diesel fuel system question
- 575SCi
- Bracket for Holley smart coils
- Ford Mercruiser
- Anyone have 496 Serpentine belt crossover numbers ?
- Gauges
- Oil pressure sending unit BBC
- cam shafts
- blower vs naturally aspirated engine
- Anyone familiar with Marine power source in Miami?
- Trim position issue
- 598 CI - what whipplecharger?
- Merc 900 valve Springs and lifters
- 500 hp efi nameplate placard
- Oil pressure/Oil restrictors
- How to jump a mercruiser connector?
- Prop Question
- Blowers and Comp ratio
- Needing more total timing 1997 Mecruiser 5.7
- Matching Powdercoat Colors
- Have trim switch question???
- Prop spin in or out?
- 604ci build. Ready run msd or ignition box?
- MerCruiser 7.4L 310HP Running Rough and throwing code 43 Continuous knock
- Livorsi shipping charges...
- Manually Degreed Cam Lobes
- Corretti Racing Engines
- cam advise for 454 mag
- Propeller Bag
- Ending Soon,Only slight vibration be quick.
- 525 cam installation
- Engine wiring harness
- Where can I buys these
- How to Detect Valve Train Instability
- Hp 500
- 496 ho electrical issue?
- What oil cooler should I buy for 5.7 MAG GEN +?
- Best Carb for Stock 350
- New 1100hp BBC build.
- Crossover question?
- Nose cones
- 454 Mag compression
- LS 454 in crate, how much is it worth and how do I get rid of it?
- 454 build
- Blower cams
- Boxes or no boxes on 388 hustler
- plug for 1996 35 fountain lightning
- 502 MPI water pressure question
- Oil temp locations...??
- Portside Gauges Register Low
- OMC king cobra
- 454 Vortec Vs. Gen 5 454
- Need a welder.................
- Powdercoating pulleys
- Your Ideas for 454 build for 1000-4000RPM with most torque
- holley terminator fuel injection
- In depth- LSA explained
- Electric water pump, yay or nay?
- 502 MPIs
- MG502 Difference
- 502 MPI - valve cover vent tube size.
- 525 efi water temp sender
- Down turn / Underwater Exhaust?
- Interresting teardown
- Engine power question N/A motor
- Coolant hose question
- best oil for 500efi
- PPI before purchasing engines?
- Question on 380 K planes
- Running Hard: RPM + Distance
- Can someone lookup serial number 0C352476?
- Dual Dominator Blower carb Accellerator pump tuning/linkage adjustment
- Storing/Working on boat of trailer
- Looking for a new Lovett 900 bildge pump
- Valvetrain vids
- Can we make a Sticky for how boats are constructed? Useful when buying used boats....
- Aluminum hub coupler or Steel?
- TB IV timing different from G5 454 to G6 502?
- 454 Magnum EFI experts, I have some questions regarding a pending boat purchase