View Full Version : General Q & A
- 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
- Reversion with Y Pipes in 600sci???
- Gen 5 efi system on to Gen 6 mag?
- Raw Water coolant pressure question
- HP rating for stock GM main bolts
- Looking for a big quad 4X4 EFI
- Fuel consumption/mileage
- Exhaust Manifolds
- Aftermarket fuel injector
- Which head gasket to use BBC salt water
- 502 flywheel removal
- SleekCraft Enforcer 28 general questions
- Looking for Delphi numbers
- Coating for Aluminum Heads
- K&n eci
- Noise reduction with dry headers
- Old Topic New User/CMI 525 water in oil
- Help with IAC motor on 575sci
- 4.3L Mercruiser lifter rattle?
- Mercruiser 454 Mag Gen 6 / Volvo 7.4 GSi
- Need help identifying felpro 17201 17205
- Ideas for pickups, pressure relief valves
- Tilt and trim problems
- 700sci Help
- GM 188 head question
- Plugging floor holes
- Wellcraft 88 23XL vs 85 Nova II 26’
- 502 MPI to a 500EFI
- Cold Start Backfire and other questions about my new build
- Final configuration of rebuilding my 502
- Oil thermostat
- Blocking center oil returns on small block
- Mercury 600 SCi wateroutlet Intercooler??
- How can you check if your getting exhaust water revision?
- Oil temperature sensor location on 454 mag
- Steering without motor running
- Crane 168731
- My tachometer (Faria) does not work (496 HO)
- Mercruiser 496 HO, which year model?!
- Running Out of Ideas / 2006 twin 496 MAGs
- What exactly is needed...b1 to xr
- Holley 1250 super sniper is released
- Head flow catalog
- 454 gen v trimmings on new 502 6 gen?
- Intercooler water flow
- 525SC max lift with stock pistons
- looking for input on performance parts for genV 454 merc
- Gaffrig Performance
- recomendation for fuel pump
- 177 swap to 250 on 525SC
- Coolant flow chart for 2013 Mercruiser 377
- Who makes a nice NA Serpentine Accessory Drive with Dry Sump
- Ferrea Question
- Why don't you see more bigger CI Na combos
- Mercruiser MEFI ECU Spark Table
- 525SC Rebuild Recomendations
- Holley HP EFI Data Logs
- Mark IV 502 Oil Cooling Questions to 540
- Which damper plate to use for 500hp and Bravo
- What valve seals for 1990 454 mag engine????
- question on removing silent choice or leaving it, whos done it?
- Fuel in Sea Pump Gear Lube
- Fuel in Sea Pump Gear Lube
- What Procharger Should I Use?
- Mufflers
- Gen4 w/retro-fit roller questions
- Flywheel housing and coupler questions, Mercruiser 5.7
- Water temp ?
- Blower Re-timed?
- Running 496 on a stand
- Dumb question about new format...
- Livorsi GPS Speedo Not Working
- Which Cylinder Head ? Brodix , Profiler , AFR , Dart
- Lack of bore notching on big $$$ engine builds
- ignition coil
- Looking for cabin door hatch piece, Donzi 33ZX
- How many hours on a 8.1?
- Crane, Morel, Comp Hydro rollers
- Lower crank pulley HP500
- trs skeg
- CMI Big Tube E Tops
- What is Big Deal w Big Chief Heads ??
- Sonic parts washers
- 250/420 Blower intakes new?
- EFI opinions for SC BBC
- Trim Tab wiring Diagram on a 2007 Baja Outlaw 26
- Hatch Scoop Direction ?
- Gimbal Ring U- Bolt Lock Nut Torque Setting
- Changing fuel system on twin 496ho
- Please Help! Identify and Value
- Idle speed
- State of the Industry
- Crane 731 vs 791
- Timing advise 502 carb DUI distributor
- Best book for Mercruiser 525SC rebuild
- Factory Mercury rocker arms or Chinese garbage?
- Could someone run a desktop dyno on my combo?
- Help needed new 468 build having reversion issues
- Refreshing my ZZ502 short block.
- 454 CLOSED LOOP COOLING Question
- k plane trim pump oil cap dipsticks
- Mechanical outdrive indicators
- 1990 mercruiser throttle sync
- Small green fuel hose
- Oil Stains on Vinyl
- 489 build for 3500lb Donzi Need engine build advice
- Thoughts on push lock fittings?
- Mercury 844341T02 Mount dimensions
- Gil or emi exhuast
- Oval or round port heads on 454 330
- Best Exhaust Manifold Gaskets
- oil cooler size 1000 hp +
- Replacement starter
- Oil Cooler leaking water into Oil?
- Gen V Water Pump Backing Plate
- Sluggish operating Lenco electric hatch lift motors
- Why do MSD ignition boxes go bad?
- Oil Filter Relocation Instructions
- Merc Water Pressure
- Merc 377 oil change - jelly oil
- Oil filter question
- Boost!
- Dart Big M vs Merlin IV
- Alternator mount
- moisture meter question
- Cam and lifter advice
- spark plugs
- Exhaust cutouts
- Gauges
- info on my motor
- Procharging 500EFI's
- Challenge! Need a 8.1 VP mechanic in southern va or northern va.
- 496 fuel tank requirements
- 350 turbo tranny help
- Advance for 500EFI
- Edelbrock enforcer supercharger Eaton TVS 2650
- 525SC Pig in a poke *HELP PLEASE*
- Superchargers and outdrives
- Gen 3 Cool fuel module
- Stainless Rub Rail?
- 632" Crank & Rods , opinions and reviews wanted
- Raw Water / Fuel Lift Pump Toast?
- 1990 Lason Senza 250 Spectre.
- Who for tail pipes these days
- 16 ft 1977 Apollo that needs work
- Wtf. Pushrods.
- Donzi Classic 18 upgrade
- boat rigger needed on the east coast
- Auto Meter
- TBS blower pulley hel
- Gaffrig mufflers
- MercTrans II TRS oil leak
- 1071 superchargers
- Oil pressure drop - need advice
- opinions / advice, need a cooler
- Seized Trim tabs
- New to site and new to go fast style boats...
- Anyone heard from
- Cat hull vs V Hull
- 454 (7.4) Impeller Housing O-Ring Available Separate?
- Engine cooling
- Howard's cams
- 572 vs 598
- Merc 280 K-Planes
- I want to upgrade the engine mounts in the 2000 Scarab 33 AVS
- Lets build a 502
- Bolster upholstery
- 502 MPI Idle Issue...
- Cool test between head volumes
- Closed systems, when did the cooling become marginal (oem 496 setups etc)
- little upgrade
- How exactly does the Merc seawater cooling system work
- sbc: comp cams xe262 reversion risk?
- Exhaust Tips
- Compression Check
- Whats the real differences in drive couplers??
- MK4-Gen balancer. Any diff?
- Scorpion 4014 roller rockers on 496.
- 540 build Cam choice
- Quick question on motor refresh
- B1 Via 454 MPI Vibration
- Thanks!!!!
- Looking for contact info??
- Can someone use engine simulator to help with cam selection?
- Boat. Mover
- New Boat
- BBC valve train
- K planes on Convincor?
- Hydraulic Steering Kit
- Weldon Fuel pump Question
- Cover recommendations for Donzi 35ZR
- Comp cams Short travel lifters BBC
- straight tube to replace cool fuel
- Help with misaligned throttles
- Blue tooth speakers waterprrof
- Thermostat recommendation sbc
- 525 sc gurus
- 454 Mag HP/torque guess?
- 600 ci NA build
- Need help locating BBC engine accessory drive kit
- Drives won't trim in
- 100 psi fuel pressure mercruiser 5.0 mpi
- Mercathode Controller
- How to Lower Compression?
- 2 questions and the plan
- GT Performance
- blower housing / diesel shop
- Blower shop snout size
- Dart 525 heads
- manually turn crankshaft
- 525EFI Rebuild
- 525 sc crank pulley
- Best Intake for a EFI Build- BBC 598
- Best EFI System for Big Block Chevy- 1200hp+
- Trim Pump - solenoid or motor?
- Exhaust system question
- Can't order oil on weekends!?!?
- 1989!Baja 226 won't plane out!
- Used roller lifters
- 38' Scarab boat cover
- Diffrent seawaterpumps on Bravo Applications???
- Timing vs AFR vs EGT
- Any luck repairing heat exchanger?
- Anyone have an issue with the Hardin Marine weld in quiet flappers?
- 8.1 vs 8.2 mounting
- CNP mounting bracket
- rigging a boat with #6s
- BLP carb main bodies
- Silencing Options
- Any value in boring??
- Best Electric fuel pump
- Bravo 1 on XR transom?
- Carburetor Video
- More oil for Lines and Cooler?
- odessa cylinder head
- Merc 1000 SC cam specs and Straub
- CMI problems
- Retarding cam - help reversion?
- First leakdown test, what does it mean, exactly?
- head gasket selection
- Holley Sniper EFI
- Which top mount starter to buy
- 1999 1952 Bayliner mercuiser power issues
- Muffler / turn down questions
- 1984 Merc 350 rebuild
- Running a thermostat or Not