View Full Version : General Q & A
- 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?
- Bravo Gimbal Ring Maintenance
- Camshaft for 350
- First Post hello's!
- Guys with BOOST, what mech fuel pump??
- What water pickup to use?
- stainless manifold plumbing ?
- log vs center rise exhaust
- Street 350 engine
- over heating issue and need help....my first poker run this weekend!!!
- 496HO Fuel Pump Cross Reference
- IMCO Exhaust flaps
- Knocking sound when cranking
- Procharger idler bracket/ modifications questions
- Cam Specs for a 525 EFI
- High Fuel Pressure - Carb'd BBC
- cheap prop vs expensive prop
- 454 Engine missing and cutting out under load HELP PLEASE
- low fuel pressure
- Is it bad for a boat to sit un used?
- 496mag HO problem
- New 502 carb woes.
- Torque to the port side really bad now..
- Hydro vs solid cam
- Dual 4's or single on B&M?
- Holley 850 help
- Mustard tree stain on seat, Help
- Muffler help needed
- Lowrance Depth Gauge
- 96 500 HP Carb Cap and rotor
- Correct plug for stock 454 Mag MPI?
- What Carb Do I have and need
- Speedo Faded on every used boat?
- Any idea how this wire shorted out?
- trim tabs
- VST EFI pumps
- whipple pulleys
- mirage to mirage plus conversion
- what is a good prop slip number ??
- Good place to test vacuum on 454 merc?
- MSD Pro Billet 8560 problem...
- Which prop?
- need some marine blower cam help. engine builders inside
- impeller and housing
- Need some jetting help
- Teague Fuel Filter Housing
- Bennett hatch actuator
- JL Audio 7.7
- Need Help With 540 Merlin
- oil cooler ?s
- threw hull pick up what bonding glue to use?
- Bravo 1 XR Upper to Bravo 1 Lower
- gen 4 heads on gen 6 block can i us stock rockers and push rod
- New water/gas separator engine wont start
- 7.4 mpi cool fuel
- how many hours before rebuild?
- Amsoil remote filter head
- zz502 - what is the largest bore size without heat problems?
- Lifters??
- Upgrading TRS Motors
- Rob Schooping/htg Motorsports
- excessive priming a 454 to start after sitting for weeks ?
- Stelling Extension boxes
- Neutral safety switch cant find
- RPM's have dropped from 4800 to 4200 at full throttle
- Flame Arrestor: Stock or K & N
- 3 to 4 blade question.
- Forgot plug, turns over, won't start?
- Trim Control on Throttle?
- What fuel for 502EFI MAG?
- Spark Plugs
- Roller Lifter life
- intake manifolds
- Aeromotive A1000 sounds like war!
- Making a350 a 383
- 350 Mag engine miss
- Exhaust help
- holley jet sizing.... curious what others are running
- opinion 383vs454
- 598 Engine Build
- 525 Fuse
- 496 MAG IAC mounting location
- Intake/head port mismatch
- best oil for 575 sci blowers
- Water Blockage in Bravo 1 Lower?
- Building 350 MPI any help
- Looking for used 27 dayton
- 575SCI water in cylinders
- Alpha y pipe and block off plate bolts and o ring
- Polishing aluminum valve covers, what to use?
- Oil-line hookup on my Gen V HP500.
- trailer help
- New help with a few issues on new motor install...
- Risers too hot?
- Supercharger help
- K Plane and Extensions Box?
- Merc prop defect in casting?
- 502 efi problem
- Loss of speed over 3800 rpm
- ignition timing/super charged
- After Market Fuel Injections
- Battery/Wiring/Switch Question
- Exhaust exit help on Baja 226 Sport
- 454 mercruiser ex manifolds
- MEFI 1 xdf file
- Power Steering Dump Cap Replacement
- trs drives
- Rebuild kit for 9780s carburator.
- Powered Stern Light...
- Please help! Complicated reversion problem
- 525 sc intake manifold
- Varnish And S##t In Fuel Tank Cleaning
- Ignition timing, idling woes, Opinions of what to trouble shoot?
- Use Rev Limiter or Let Carbs Limit Revs?
- 502 Stroked to 547 - Oil Cooler Suggestions
- Nav light switch is hot
- 115v AC wiring help. With diagram
- setting cam endplay with cloyes 2 piece timing cover
- hydraulic fluid
- Adding an oil temperature gauge to a 496
- 565bbc numbers
- Horsepower vrs. Torque
- pros and cons of bravo three
- would anyone be able to give me some eyes in clinton, mo
- 540
- 502 water pump which hose?
- Tab Pump Issues
- best water pick up for cat stepped hull
- Help Water in oil... Alot
- Bravo 1.65 gear sets
- what cam and prop fot 454
- Weak valve spring symptoms?
- Prop hitting drive??
- Merc 454 carb to 496 HO?
- donzi 26
- Mercruiser Starter Switches.
- 502 Inectors
- Weird issue
- cam help... 496 bbc
- boat not wanting to accelerate off idle formula 242 ls 502 mag
- Hallett 300
- Mag Vs HO engines
- 496ho gremlins strike again
- HP500 procharger..how much boost ?
- Fuel pressure regulator?
- yellow corvette c6
- 460 Ford Berkley Jet
- 525SC fuel pump part #
- Low Hp Air or Exhaust
- 2001 28 td daytona
- Eickert Oil Pan /oil Pump Set-up
- Staggered Engines
- 525 Problem
- Wiring diagram
- Tips or no?
- 496 Crank sensor intermittent? no code?
- Goto 540 or Tweek out the 489
- bravo coupler
- 97 bravo one specs
- Sea Strainers
- 600 sci fuel pressure too high
- Anybody Notice?
- boat stall
- Fuel flow problem. Help!
- 502 water pressure
- 454 submerged in salt water
- Bulldog 420 hp Tempest Sport 32'
- need a ecm
- trim problem
- Trim Probelm
- 454 mpi overheating or not????????????????
- 496MAG to codes, but wont run W/O
- Sand T stake
- Diesel Power
- ocean marine a/c unit wiring diagram needed please HELP!
- 496 MAG HO ECM Mods
- Old Ethanol Fuel – Add Fresh or Just Burn it?
- Prop washers
- Intake and Carb ?
- anybody heard of this company or have any experience with them?
- 454 mpi overheating
- tachometer issues
- Gen 4 max bore??
- Looking for 502 MPI Roller Lifter Help
- E-3 plugs in a 454
- Hin Manufacturer Question
- 502 hydraulic roller problem??
- hotboatjet
- Q-jet jetting question on modified Mercruiser
- PowerBoat P1 Driveline Torque Sensor Device
- Hardin Marine stainless steel sea pump with the cross over
- Installing oil coolers on a smallblock alpha, crossover set up
- 502MPI - Odd IAC and spark readings
- Bravo water pickup hose inside the transom assembly ??
- 454 Mag Mpi Issues
- edelbrock heads vs peanut port for 454....
- 502-454
- k-plane trim limit..
- Innercooler cores
- Engine Guru's - Need help-Take a look
- ezstriper , part number please ?
- power steering cooler leak?
- 525 Efi
- Mercruiser 350 Bravo, ignition timing questions
- 454 rebuild help please
- sea strainers
- Engine hatch hinges and removal
- 575 upgrade
- Bolster pump leaking
- Rockers coming loose
- donzi zx 28
- 350 Sci Verado problems?
- Boat darting right randomly
- Which Heads for a 496 Stroker
- shorepower battery charger shuts off after 24hrs
- 502 Overheating --- help
- imco or sportmaster lower unit vs xr lower unit
- Crack in Sportmaster Lower
- Weird metal markings on 300 ProMax
- 502MPI - Intermittent Crank, No Start
- 500HP max RPM
- marine circulating pump versus automotive
- Adjustable fuel pressure regulator
- short in ignition?
- altenaor ?
- sunblock stain
- 7.4 MPI running rich
- Hp 525 Wiring Issue
- Engine temp question
- 2000 Fountain Battery conection ????
- fuel pump
- K plane thru hull fitting question
- Any empty trailers moving South from the N.E. to S. Florida?
- 454 Project Questions
- Help with Shift problem
- Need Help ASAP
- Block Drain Problem
- Timing Chain vs Timing Gears
- Oil pressure drops to zero
- trim tab install
- Mercury 525efi ECU question
- 350 vs 383
- Carb HP500's Question
- Found the Problem with Oil out of exh!!
- Hp500 Oil Stat
- Honda 2000i Generator