View Full Version : General Q & A
- Typical MAP and Ign Advance values at idle for 496 MAG HO?
- Spark Plug Wires - MSD, Taylor, Multi Fire... which ones are best?
- K plane seal or rebuild kit?
- How to ID a 502 from a 454
- Going in Guardian mode
- 500 EFI breather tubes
- Hard to start 502 mpi
- 525 efi issue
- merc gen 2 remote
- 502 MAG EFI build reccomendations
- please help with a 525 EFI problem
- H or P main & rod bearings
- 8.1 Volvo Penta serpentine belt
- 500 EFI placard
- HP transom assbly torque
- West Coast Offshore Engines
- replacement block for 525SC
- time to step up to the plate
- How To Eliminate Corsa Quick & Quiet Exhaust?
- anti siphon valves
- Timing set for GenVI. Any favorites?
- help with a 1978 28ss cig twin 350 /trs
- New starter not working
- Insta trim 200 gauge
- 496 offshore mounts
- Old school BBC not starting
- Help picking 525SC rebuild cam
- Electric fuel pump kit Mercruiser ?
- 496ho troubleshooting start but engine sounds like its forcing 😢😢😢
- Easy 100HP Gain on 6.2 MPI...
- Motor rebuilds for 454 with blowers
- low on power any ideas?
- Raylar 600 HO
- anyone know?
- Sticky valve guide
- on-board battery chargers....
- 525 ps pump
- W/F code
- 496HO Cuts Out at Idle in Gear...
- Question re: MSD 6m-2L / blaster ss Ignition problem
- Everybody's favorite game....what cam is this?
- Need knowledge
- Bravo one outdrive Oiler line block off
- 1980 260 merc exhaust elbow gasket question
- Fuel Injectors-Cleaning and flowing
- Getting water in boat
- 454mag mpi surging
- Finalizing blower..need help with sizing
- 454 mag vst problem please help
- 500 efi fuel consumption?
- 502 Compression and Milky Oil
- bolt thru steel or aluminum ?
- Fuel injection VS Carburetor
- Trim TAB Question
- Push rod length
- 383 stroker longevity
- Merc 8.2 B3 380hp problem
- 2000 502 mag mpi engine code 14
- Forced Induction EFI or NA with a Carb
- Surveyor in California?
- TRS trim wiring issue - “black box”?
- Will this block work?
- Oil pumps
- 500 efi
- Sunsation Innovator help
- 502 EFI problems again
- Switching forward and reverse on shift lever
- Fuel pump not kicking on with key 500 efi
- 2001 575 sci 1 seconds beep every 3 seconds?
- Steering cables interchangeable - Ssc12416 and ssc13016?
- 88 Baja sport 226 exhaust
- 2000 502MPI Hard Start
- Overheating problem
- 1985 wellcraft nova
- Captain call exhaust
- 502 not starting
- Lost part
- Tach not Working
- 496HO issues
- Smartphone Borescope
- Ignition shutting down when WOT.
- Need plastic elbow for 99 454 mag efi flame arrestor
- Trim pump self emptys!
- Importance of intake oil heat shield in 500efi
- 500 efi with a 525 cam installed
- Fuel pressure issues 600 SCi ??
- Need help..500hp blue motor. GenV.
- High engine temp and 502Mag MPI Exhaust riser gasket replacement
- 1998 Volvo Penta 5.7GSI
- Electric problem
- Stainless Steel T-Stat Housing for 502
- What Spark Plugs For 525?
- worn out B1 HP transom assemblies.... question...
- 525 SC Fuel Pressure
- Bravo 1 up trim not working works with separate trailer switch
- Mercury Optimax Fault Codes
- Oil leak?
- 502 MPI - Rich, sloppy idle. Fuel Pressure?
- High rise exhaust help with reversion?
- Another Cam recommendation
- 525 efi please help alarm going off codes 120 122 123
- Mercruiser 8.1 missing.
- -2 shorty drive on Checkmate 253
- 500EFI Overheat
- Here’s a riddle, Runs in start but not in run
- 496 ho temp
- Where should AFR readings be for MPI 509
- F292sr1 help!
- Widebands and sensor location
- Push rod Length
- K-plane pump question
- .??“ BRAVO X VS XR” ?? 4,000lbs boat 630hp
- Can I reuse my gaskets in between my elbows and header?
- Need help
- Help can’t get the inner exhaust flappers out!
- WHere does this ground wire go..hp500
- Old bravo 1 help
- How long did your exhaust flappers last?
- Need Help, 525 Engine Problem
- Valve lash caps?
- Need advice on new 401 SBC stroker build
- Hit a snag in my build..need help asap
- 525 SC Alternator Question
- Need help 525 EFI Miss firing after rebuild please!!
- BB502 MPI question
- Slipping Coupler or Prop Hub?
- TBI on a bbc marine application. Bad idea?
- Valve Springs with 741 cam
- Imco/Bravo gimbal bearing
- GGB muffler inserts
- questions about temp warning sender 7.4 MPI
- 502 mpi coil fuel pressure issue
- 500 EFI removing prochargers
- Fast fuel injection
- 525EFI Water Pressure Concerns
- Merc 502 Alarm
- TPS reset on merc 350
- 502 mag efi fuel pressure connection point
- Hardin Two Stage Sea Pumps Leak - 700sci
- 2006 Chaparall 496 MAG twins. Low Coolant pressure
- fi tech fuel injection
- 500 EFI High temp Low pressure
- 100 ll
- mirage solid hub prop
- 496 help?
- 575SCi mechanical fuel pump - Rebuild?
- Marine Machine still in business??
- Pressure testing Manifolds
- Mercruiser engine ID tags
- Exhaust thoughts for small blocks
- Boostline Connecting rods making a little JAM
- HP from Frankenstein motor
- Fuel Pressure Qusetion
- 500EFI cam into
- 502 mpi 95 octane
- Counter Rotate Whipple?
- 496 water circulating pump
- 502 build advise
- Valve spring retainers
- 496ho Ignition Troubleshooting
- 525EFI - How to clear heat exchanger???
- Lost all power steering fluid....
- BBC Crossover Temperatures
- Prochargers N Boost..
- 2003 496 mag
- 500 efi knock sensor
- Water pump 500 EFI
- Bravo 1 Built With Wrong Gears?
- Value of 496 pcm
- Cam bearing material?
- Fuel pressure loss at high rpm
- Maximum afrs in individual cylinders
- Fuel pump location
- Flame arrestor selection
- Tall deck to standard deck exhaust
- Arneson surface drive on single engine vee
- Buying a 40 Outlaw
- LSA swap, trying to figure out throttle linkage/cables?
- computer reprogram
- Twin Mercs 5.0 MPI running rough/stalling
- How to break in new motor - 275 Baja
- Fuel line size?
- Tall deck / stellings 2 1/8" center to center
- Calling BUP
- Post 02 sensor rusted/ partially plugged
- Valves still leaking after 2 machine shops did valve job
- 525 sc or 575
- Dual power steering system
- Mystery hose in transom assy???
- fuel pressure sender
- Power loss with Imco Scx upper and Imco -2 SC lower
- 454 mpi hard cold start
- 500EFI injectors
- 496 Mag / no more belt noise
- New 548 builds, AK Racing heads
- Dyno sheets
- Can the Formula 330 handle bigger seas?
- rear cover leak
- help with fuel pump selection
- Safe compression for 89 octane
- 350 EFI TBI Mods, cam, heads, intake, tune, 383?
- Fountain 12M
- Fontain 27' Fever Hatch
- Need help with identification
- 496HO Sea Pump/Block pressure high on Rinda Techmate Pro
- 2000 454 mag mpi starts and dies
- renitriding a crankshaft
- Hardin Marine oil filter mount leak fest
- Headers using closed loop to cool
- Flaps or windscreen
- 1998 29 outlaw twin 454 procharged and intercooled
- Chineese aluminum heads
- Cable steering safe?
- seapump wear holy cr@p !
- Strainers, stainless or aluminum?
- Alternator Pully ?
- Water pressure too high after adding back rec pump
- Bravo 1 upper unit rebuild questions
- 1998 29 outlaw twin 454 procharged and intercooled
- 29 outlaw
- Flame arrestor
- How to remove Shotgun slip on exhaust tips
- Stud girdles a good idea?
- 6V-71 Recomendations
- 502MAG mpi header question
- Need a little help here..
- Fuel filter cross reference???
- Stellings condensation??
- Xm270hr cam questions
- Let's hear cam suggestions
- Mercury 525 exhaust valves
- fuel line/rail leak
- ARP head studs 525 EFI
- Which intake manifold sbc 350
- Sportmaster -2 anodes same as Bravo 1
- blower pulley sizing help
- Estimated HP output - Build Sheet attached
- Scarab „High Output“
- Quality CARB SUGGESTIONS
- Overheat alarm sounding
- 24 (22)x7 X-dim
- Baseline Jetting - HP500 Carb on 454 Magnums
- 500 to 525
- ,freshly rebuilt 500 EFI,s won't restart after run
- Small block Chevy valve cover afr Heads and stock exhaust fitment
- 454 longer rod & shorter piston OR shorter rod and taller piston?
- I think i lost TDC. HELP
- Camshaft Identicication
- shift interrupter relocation pics please
- Best prop