View Full Version : General Q & A
- Murcury Racing HP500
- Old School HP500 water pump blown gasket (NOT SEA PUMP)
- Fuel tank level sender for formula needed
- Quietest thru transom exhaust setup
- Oil pressure gauge?
- Sloppy steering on bravo want to add hydraulic steering
- Which brand do you like?
- Merc 5.7 - 260hp
- Rapid beeping?
- Nordskog sending units?
- Autometer Gauge Connections
- prop slip?
- 781 heads best mods
- 38 Fountain fever wind deflecter /where to get one?
- How to tell the diffrence between a bravo 1 and 2
- any holley TBI experts here?
- Cam question
- Stupid cam shaft idea? Serious question
- Jetting starting point?
- drive position indicator - cable type
- gen 4 gen 5 question
- 1986 Wellcraft Nova III opinions please
- Oil sending unit and -----?
- 781 bbc heads from auto?
- Voltage regulator?
- 502 Mag Mpi Issue
- Measuring Compression Ratio
- Any good internet dynos??
- Raylar 496 HO upgrades
- 502 500hp efi sumble /stall
- Good oil pressure sending unit
- Stock 330 fuel pump question
- Long or short risers needed for this cam?
- Mark IV 502 Mag Hole In Piston And No Oil Pressure Help!
- 1000 Islands Poker Run Who is going?
- I need 1 set of Stainless Marine Exhaust for a SBC. Who's got the best price?
- Sea water/fuel pump questions. Leaking oil.
- PowerQuset Interior Lights - HELP NEEDED
- Could backfiring cause this?
- 454 Cam selection down sizing?
- if i had water in bravo one fluid...
- csm with vinylester
- Mercury efi to holley efi. How to get the correct throttle throw.
- electric circulating pump??
- Iac for 97 454 mag MPI's part number anyone know.
- Q-jet jetting help please
- Exhaust Riser gasket?
- guys I need help please 496 ho surges almost dies...
- Helm joint replacement?
- Any A/C techs on Long Island?
- EMI Thunder Exhaust On Stock 6.2s
- Serpentine to v-belt
- Strange MPI problem....
- 525efi milk shake
- 350 mag miss HELP please
- engine fault code?
- What thermostat housing for closed cooling system??
- blowers
- Hard steering at speed..
- 502 mpi mods......
- Fuel Delivery Issues
- Need part # for seal on water pump.
- Another newbie prop question
- 1997 sv24 challenger boat
- MSD Distributor
- Help! Merc s/c seals & bushings
- Posting pictures with an I Pad
- Gen5 to gen 6 have had nothing but problems
- Need Torque specs for top two bolts on gimble
- 280 Tabs to 380 tabs
- Marine Machine Hardware
- Small water leak on a XR Drive
- Black hose water drain system 496 HO
- Solid Roller Cam Worth it??
- Weak Starting - Ground?
- HELP!! 1996 Baja 302 windshield broken!
- circulation pump failure???
- How much hp will this build produce
- Power steering not working replaced parts...?
- Motors marked "BRE 168" any ideas?
- square k planes
- Simple oil cooler upgrade
- Prob and drive height suggestions for Donzi 25zx w 625hp
- vacuum pump, blown big block
- Merc 502 efi code 23 iat censor
- 500 efi exhaust issues
- Aluminum Intake manifold + salt brackish water
- Mercruiser Automatic Transmission
- Where's oil thermostat on merc 525 please
- What's considered too much oil pressure?
- Melting exhaust boots but engine not running over 180!?!?
- milkshake clean up
- Spark Plug Gap
- Benefits of quad rotor
- Any Fast 22ft Stingrays maxims out there??
- Distributor housing oil boss
- Building a new trailer for a 87 Midnight express 37'. Need help!
- Cast crankshaft OK?
- Reversion possibility question on SBC with XM270HR cam
- Riser gaskets...which one?
- 502 MPI w/cool fuel return line fuel flow
- Best way to clean the outside of an engine covered in oil?
- Replacing MEFI1 with ?
- Mystery Piece of Stainless in my Exhaust Tip - please help identify
- 8.1 oil bypass valve
- Stainless vs brass sea pump
- Longevity MIG welder
- crane 741 cam and stock roller lifters
- 502 fuel injected spudders and dies randomly
- Mercrusier 350mag w/Bravo 1
- Silent Choice Exhaust not opening.
- 500 EFI Powersteering pump defect ???
- Pressure test headers question
- Trim Tab screws ...kinda came out ....?
- Cam recommendations for these heads?
- 525 vs 496HO
- 454 EFI making a sqealing sound
- Mini Starter
- Fuel level in cool fuel module 496 HO
- 38 Fountain Lightning Worth It or Not ?
- EGT ranges procharged carb 555
- Hydraulic Ram...Who makes this?
- Bad powersteering pump?
- Liquid filled water pressure gauge problem
- 496 HO in-line fuel filter
- Using A MSD Box With Stock Merc Distributor
- Engine cover help
- Engine trouble shooting help needed.
- Any feedback on Venture aluminum trailers? specifically the tandem 5k axle 8725
- crank choices
- What do you clean your boat with?
- Installing water pressure gauge
- Oil cooler suggestions for 468 bbc
- Value of a mark iv standard 454
- Billet serpentine pulley 502 MPI
- Mercury Zero Effort Throttle Wiring
- Power Steering issues
- Choosing an oil pump
- Screws for exhaust tips?
- Looking for an engine builder in South Florida...Who do you know?
- OX66 Outboard gages to Gaffrig
- 454 Mag MPI not revving.
- Heat issues help.
- Old merc 90 outboard question
- Replacement iron heads for Edelbrock RPM performer
- Trim Tab Cable Help
- Mercruiser 6.2 Upgrades
- 704ci Motor Help
- 137-9400 mayfair steering
- Carb help
- Heavy duty shift cable??
- Motor Shut Down Filter/Pump/Other
- intermittent nav lights and fuel gauge problem?
- Baja 260 with 454.... Has mufflers and would like to remove them.....
- Gen IV 502 No Oil Pressure..... Help
- Timing question..502..
- 525 SC fuel problems
- 575 sc
- hesitation, intermittent backfire etc
- When will thes 525s require work?
- Running hot according to the gauge.....454
- Prop slip calculator
- wiring help
- Need VDO Temp Sender
- New engine in Formula, more problems then a math book!
- 502 mpi v-belts part numbers..
- TRS transmission problems
- Impeller problems
- 496 mag help
- Size of harmonic balancer pulley bbc?
- How fast is an 88 scarab 1 with an efi 502????
- Mercruiser 5.7 efi fuel pressure kit from Autozone
- 502 mag MPI starts then stalls after replacing cap, rotor, wires and exhaust!
- Just got a noise ticket tonight - need options
- Broken dip stick tube on my 260 Merc
- 454 oil burn... questions on what to check first
- Throttle / Shift Controller - Sea Star or Mercruiser
- Thru hull tip internal flapper broke
- 496 8.1 Timing cover and gear question
- LED Gauge Upgrade
- 29' baja is shift cable longer with an imco extension box on the drive
- ignition troubleshooting ??? help please
- External voltage regulator wiring question
- 525sc upgrades for more hp
- HP 500 intake grommet??
- water in oil on fresh rebuilt 468 with m1 procharger intercooled.
- power steering pump question..
- 502 Catastrophic Failure!!! Why does this happen?
- trs to speedmaster
- Screw in fuel sending unit
- 496HO manifold over heating
- K-Planes Bolt Length
- Leakdown Test vs Compression Test? Help with a used boat.
- Circulating Pumps on 600sc (Convert to X-Overs)
- A/C questions
- 525 EFI Oil Pressure to High at Idle
- Rough idle?
- Fuel pump and delivery
- Hairline crackin one blade of stainless four blade prop
- power steering only works at speed
- 1 merc. 700 keeps vaporlocking
- New Mallory Ignition, no spark
- best replacement trim tab cables for merc k=planes?
- 32 fever with small blocks
- Feather throttle to keep running until reaching operating temp
- Air Fuel ratio
- How much HP? on my 454
- Comzilla intercoms
- Part # for 500 EFI impeller
- If you had a choice which one
- 1998 Mercury 250 EFI Factory Shop Manual
- B&M Blowers 174 type. timing issue?
- help! info on powerquest
- manifolds length
- Dumping cooling water, lightning headers.
- silent choice, issue or something else
- I.M.P Viper 310 help
- Formula 233
- I think I stuck a valve
- plug gap
- Question about GMPP 502ho crate engine.
- Shop Labor times to Pull a motor
- Hyd steering hose??
- 525 Oil Temp Sensor
- Carburetor Help
- Mefi 3 ??
- 502 dies at wot
- Help Please!!!! 88 Four Winns Liberator 211 is SLOW!!
- Oil Temp Issues
- Another 525 Header Issue
- 496HO: would IAC cause this? 1 engine lagging intermittently lagging 100-400 RPM
- 525sc idling at 180* rising to 210*
- New GM 502 Vibration above 1500 RPM
- Whats TO HOT FOR OIL TEMP
- Right thrust washer? Hub?
- Firepower control box
- Gen 4, 5 and 6 GM heads same plug reach?
- over cam'd motor or pump problem?
- Need help with Kohler 5ECD Generator...
- Russel Performance AN swivel fitting leaking
- Mercruiser BBC front engine mounts 79550
- A/c unit help
- 350 mag mpi won't turn off???
- is this a sign that the hull was rotten?
- 2 Alternators to choose from
- blower size help
- Replacing stock thermostat housing with Stainless,,,,,
- Mercruiser silent choice
- How often to clean the air intake 7.4 mpi
- Mercruiser Rev Limit Ignition by Firepower