View Full Version : General Q & A
- 500 carbed motors
- 496 MAG HO spark plugs
- transom moisture
- Bilge vent blower fan
- Small Block CMI Headers
- Carb Spacers??
- Owners manual
- Anyone running a Whipple SC for a 350 Mag MPI?
- Cam Question-Gen 6
- Running temp on an 03 496
- Max HP for stock 502 MPI computer
- What Price For Used 280 Kplanes
- Looking For A Merc Tech!
- 496 Mag Help
- Electric water pumps
- TRS Trim Anchor Pin Help
- Mercury 20-40 Full Synthetic now recommended for all engines. Another Oil thread.
- Carb help needed
- Fountain parts
- Dyno correction factor in Colorado
- Formula 223
- Cat Escape Hatches (floor)
- Whipple tuned 525 PCM?
- what to do to get more speed ?
- VORTECPRO VS Bob Madera/Haxby
- Best way to store a crank
- Exhaust Leak at mating surface of EMI thunder exhaust manifolds
- Speedmaster 3 Oil Leak
- Gaffrig guages
- Making a 1936 Chevy Vid !!!
- trim not working
- Replacing Weber carb
- Trying to make 450hp
- Water in oil
- Swollen hose 3.0 OMC Cobra
- Jetting
- Parts list for 454Mag MPI rebuild...ideas??
- Any one run 290 heads
- Mastercraft ski engine
- Gas gauge fluctuating?
- Cooling problem
- 4" exhaust trim rings?
- Dart Pro I 325CC
- adjusting carb and timing
- Fixing my Bravo skeg
- Exhaust Tips?
- Is Power Steering Cooler absolutely necessary?
- which is the fuel return line
- Volvo Penta D6 Electronics Question
- oil blowing out dipstick
- Lifter bore
- Exhaust Tip Gaskets
- What is the fastest small block boat?
- Idle Help
- coil smoke
- coil smoke
- senza speed
- Bennett trim tabs~ upgraded tabs???
- HELP! mercruiser 496 MAG HO - diagnostic port & trouble codes
- Closed Cooling Benifits?
- Mo. Boat title HELP!!!!
- No oil pressure in Rebuild
- Shrinking shrink wrap
- Matco Plasma Cutter
- Oil Pressure TO High
- Tach bouncing when in recall mode??
- Rebuild or Replace
- What Oil Cooler for a 1000HP blown motor?
- Marine Turbo
- Questions?? before installing thru-hull exhaust
- need a VST fuel pump
- Diagram of jabsco raw water pump
- where to intall a/f sensor
- 496 Circuit Breaker Problem
- Is the drive ratios incorrect on my test sheet? drive ratio from serial #?
- Ignition wires....
- loose steering at higher speeds
- thunderbolt 4 ign problem
- 98 454 mpi water pump
- Catamaran Driver training
- Oil With Zinc
- Head gasket seeping water...
- vst tank removed
- Oil cap
- Mercruiser Prop Shaft Ratings
- Pricing for Hydraulic Steering
- Best poker run DVD
- bbc or stroker sbc????
- How to trim a v-bottom at high speed?
- 36 Spectre or Motion
- 525 maintence
- IMP Powerboats
- procharged 355 carb choice
- "Porsche" on the water
- what is my mirage really worth?
- Htg 583cid, Starter Staggered? # Ofteeth On Flywheel?
- 502 Rebuild Cam Selection
- gauges not working
- What's the best GPS speedo?
- Fuel system set up for boost, is this right?? Pic
- 1998 502 MPI Fuel Pump...which one?
- 4th Starter in 583 in a month! Spins but won't engage after 1-2 starts.
- 454 mpi cam and programer upgrade who to use
- Engine Rebuilt Nightmare
- WANTED 454 mag 7.4 MPI, 502 496.
- Best prop for top speed
- Lab /labbed prop or Stock? Bravo
- Seashells growing inside outdrive
- Need Hose
- Gil compatible sbc manifolds?
- Smokin @ start up?
- CMI Gen X/Hardin/SM????
- 525 fuel pumps
- Boat did some weird stuff??
- 454 MPI LX not reaching WOT
- 355 cu Carb Choice?
- Upholstery Issue
- water pressure
- muffler recommendation
- fuel pressure on 525's
- rubber exhaust couplers
- VDO Fuel Sender
- So which manufaturer is bankrupt and who's not?
- 1985 350 mercruiser
- 502 pro charger removal, NO POWER
- help with 272 baja
- Water pump and Fridge not working
- Cutting out ...cough cough..died....wont even pop
- alternator discharging
- remote oil filter bottom cover??
- Clarion CMD4 to CMD7?
- Water pressure on 525 ?
- Boat Leveler - makes noise but doesn't move
- bravo one inner plate-transom
- 1975 Magnum Maltese to buy or not to buy??
- adding oil thermostats, what is the simplest install?
- Bow Roller and bow scuffs
- Upolstery help
- Anyone make 40over 502 slugs that wont break my piggybank?
- 454 330hp vs. 454 mag sound
- 8" dia x 2" height Merc Flame Arrestor, good or bad for 830 cfm?
- procharger encloser box and carb
- Engine builder wanted Cincinnati Ohio
- Upholstery Shop Recommendations Southern Maryland
- Slight Stumble under load
- procharger vs. cam and ecu
- Bottom Paint ermoval
- Thermostat Housing 1990 454
- What kind of Headers are these?
- supercharger efficiency
- Need HELP... Motor is cutting out
- Piston clearance on Mark IV 454
- Cam / Prop question
- looking to purchase a 1985 33Ft Fountain Executioner in osage beech needing info...
- Need wire & oil system pics for 454 MAG GM V8 '86-'88
- Rod Length? Short Stroke
- 496 Hi Temp Question
- Rev limiter question
- need a custom windshield made
- Crusader 454 Engines 350HP
- Which Rinda Scan Tool?
- Denver Area Mechanic Recommendation
- Aluminum heads
- Oil cooler
- AC Delco Cap and Rotor part number 500 efi
- MPI fuel injection question
- boat will not plane
- 496 Mag HO Low RPM's
- Holley .150 titanium needle and seats?
- 454 Merc missing
- Not sucking up water, at all
- Need recomendations on Custom Upholstery shop in South Fl.
- exhaust y pipe
- Knock sensor
- Power Trim Help!!
- Fuel Pump Installation Help
- 700 SC high idle
- Dual ram ext steering...ext resevoir ?
- OK, for you prop experts
- 502 Intake Question.
- I'm screwed.............
- 500 efi skipping after coil change
- 87' Tahiti Warrior II
- Mercruiser Gimbal Bearing
- Closed Cooling System for Supercharged Engines
- cam and compression question
- Hydromotive solid hub question
- wanted....exhaust trim rings
- EFI Codes
- sea strainers
- Hurricane at the Jersey Shore
- Throttle mounted Trim Switch
- 502 MPI Mag= rebuilds/upgrade to 500 efi?
- Jetting & stroking
- Port side trim delayed with thumb switch ?
- Spark Plugs
- 454 vs 496 Manifolds and Risers
- analog Gaffrig gauge trouble
- 5.7L or 7.4L??????
- thoroughbred boats
- 1990 Larson Senza 210LX Questions
- Anyone use these?
- 496HO overheating
- hull design
- alarm help please!
- 496 FWC - Flush SW
- NEW GUY HERE...Questions about BAJA 22 Caliber
- Need help with merc silent choice
- 25p turbo prop vs 25 mirage plus
- 454/330 peanut port heads/intake MPI
- Hull size + power = speed?
- eliminator 28' fundeck prop size help?
- trailer bunks
- procharger experts needed
- 4.3L v6 to 5.7 V8
- 454 carb main jet ?
- reversion question, Gil Offshore SBC
- HP500 Carb Air Cleaner
- more fuel problems
- outboard conversion
- More 496 bugs, overheat this time!!
- Anyone have MSD 6M connectors off bad unit?
- 502mpi gn 6 running temp issue
- double wall tips
- Arenson drive on 27' Daytona
- Oil valve relief 500 Efi
- 500 hp big block chevy
- backfiring through the carburetor???
- tune up kit
- Cone Clutch and Lube Question
- 496 Sputters on take off....
- valves
- Any 502 MPI Experts?
- Fuel pick ups
- Looking for person to dyno.
- 496 mag shuts off going down the lake
- Power Steering Pump Retorfit
- Compression test questions
- Recommendation for IR temp gun
- would this 540 be a good buy?
- Fuel injected 525SC
- 496 mag buzzer / alarm
- alpha / Bravo manifold differences
- Fel pro head gaskets BB
- Loads up at idle
- 454 Mag MPI Horizon?
- need a hei distributor for a 94 502 EFI
- Will these headers fit?
- U.S. Engine Inc.
- 540 merc bulldog build?