View Full Version : General Q & A
- 525 EFI Guru's need help!
- plenum gasket
- Bizarre Carb issue
- Champion plugs
- LS6 Block
- Gil wet exhaust tubes getting hot
- 89 baja 320force
- Will big block CMI headers work on stock 496?
- 700sci Fuel Pump blowing fuses, WHY?
- 500 efi ATECO head kit
- Merc ignition help please.
- 350 mag carb version roller or not ?
- While my motor is out....
- Is this a Cigarette
- Need Gauge Wiring help!!
- blower guys
- Help! 07 496 no crank no start
- Problem with McLeod Bolster- no power
- 38 Donzi ZR Tired of losing blades off my propellers
- Chasing a 300-400 RPM drop issue in Port motor!!
- Monterey by Seabring
- Gaffrig gauges/ closed or open??
- Supercat engine questions and ideas
- Adjustable windscreen?
- Wind storm boat covers ?
- Strering Problem
- 496 replacement injectors
- Permatex
- Morse tilt steering knuckle
- HP 500 camshaft's Do they have a fuel pump lobe?
- Motor and 500efi injection question
- Mechanical indicator help
- Cleaning vinyl?
- 36' Apache trim tab cables???
- 500 efi issues
- EMI Thunder plumping problem
- Intake valve, severe cracks !?
- Prop wont go any faster.
- Computer/Thermostat Question
- steering
- Hearing whistle when secondary's open???
- Corsa exhaust issue. Has to be a simple fix??
- 575 sci fuel pressure
- Corsa Quick & Quite diverter valve solenoid
- 89 or 93 pump gas
- 502 efi's water pressure gauge's
- O2 Sensor bung installation CMI Etops
- steering actuator
- Does 93 octane leave chronic soot on the transom?
- 1989 scarab 21 excel motor ideas
- headbolts for 525 efi
- Pro charged 500HP, carb to EFI
- Switching from omc to merc, how hard is it?
- Starting Problems (Cranking Over)?
- Just can't catch a break
- Single engine/twin engine prop slip/speed
- Fountain shift/throttle-switch sides?
- Cobalt fuel pumps?
- what is a good qualit and resonably timing set and timing cover for a stock 1990 7.4?
- Boat handling issues
- looking for help, possible efi issue
- 525 cam sensor installation procedures
- 502 Mag MPI dies over 4000 rpm/full throttle
- Changing a fuel gauge?
- 350 Mag MPI WOT bog??
- What's the magic spot for a thru hull water depth gage transducer on stepped hull?
- Mississippi launches
- What do these Spark Plugs say??
- 502 EFI intermittently chokes and sputters, drops rpms at cruise speed, stalls
- Oil pressure sender 500 EFI
- Gauges
- Bravo 1 Drive
- Pulley slip on ribbed serpentine blower pulleys
- 522 missing, bog
- Ignition Module
- Hp500 EFI injector issue
- 496 Temporary Overheat?
- Dometic a/c question
- Charging diagram twin engine
- Replaced impeller 496 ho still no water pressure
- Potential Issues with 7.4 L Mercruiser (Year 2000) with Bravo I Drive
- Electrical question
- 502 quit on me
- Mercruiser serial number indentification
- What plug to run on a Gen 4 BBC 177 motor.
- Strainer cover won`t come off, wtf
- Yamaha 4.2 250hp
- apache scout motor height
- Gaffrig Gauge Questions??
- 454 Upgrades?
- Weird engine shut down last night 502 MPI
- Spinning hubs???
- 500 and 525 EFI Vacuum at Idle
- 496 Water Ingestion HELP
- SBC Valve Cover Clearance Issue with GLM Manifolds
- Small outboard question.
- Engine Oil Questions. What do you think i the best!
- Michigan Motorz Replacement Engine
- 300 Optimax parts
- inner transom plate
- Fuel system help
- drive oil in bilge...
- puke bucket on 583 ci
- drive off, vac and pressure test anything else?
- Another starter, this time ring gear also... advice while engine/drive are out?
- Standard bravo one sweptback serial number needed
- 1995 Formula SR1 has low compression - South Jersey
- Supercharged 350 tech advice needed!
- Power steering pump
- corsa exhaust max rpm
- High hour 502mpi mags still running good ??
- Oil Level Mystery
- Engine issues in my 98 Fountain... Please help!
- Anybody here a Dodge mechanic? have questions about a Journey in the fleet...
- holley jet sizing for my mild 355 merc ?
- Opinions on triples
- adjusting valves in 350 sbc
- ARP rod bolt question-resizing?
- First start up on my new big block :)
- 500 EFI Saltwater Questions
- 1997 STD 454 carb rev limiter?
- Quadrajet carb choke issue
- can only turn 4000 RPMS on a 500 EFI, rebuilt drop in
- Any experience with Raylar 103 Cams and/or Rockers?
- oil additive needed with mobil 1?
- 350 Mag Q-jet flooding through primary boosters
- Yes another 496 issue. possibly injectors
- Crank Driven Water Pump
- 2000 47 Lightning upgrading to 525efi motors... connecting to smartcraft? Help!!
- MercMonitor, Smartcraft, Vessel View...HELP!
- 1999 merc 7.4 mpi vi altinator output post bolt wearing hole in coolant hose???
- Too much pressure !!!
- Engine and prop set up
- Engine water and oil temps too cold
- what are the chance
- Distributor/ignition issues, need help diagnosing
- Hi Tek exhaust manifolds
- 525 efi intakes
- Video lcd Monitor Info
- Re-power with triples? Stagger twins? OR Twins with a larger cockpit??
- 1990 7.4L bravo 1 carb replacement
- BBC circulating pump
- adjusting flat tappet valves
- water temp sending unit
- Iac controller 496 ho & diacom test
- Carb Spacers and Jetting
- Help please, possible gas leak?
- Dennis Moore's Book
- Exhaust question
- 088 vs AFR 265 dyno comparison
- Need a new 502 BBC rear crank seal. Mine blew out this weekend. Who's is the best??
- Insurance company info need for boat Insurance
- Air Fuel Ratio Meters...who makes a cheap one that works well?
- 496 sportstube headers??
- Replacement headers for 525 EFI - Which ones?
- 502 mpi mag change to carb help!
- 6.2 MPI problems
- oil bypass valve question on gen VI engine
- Stuck valve on Mercury 525 EFI - cause ??
- Thinking about replacing the dash and gauges on my 35' Fountain Lightning
- RH vs LH prop??
- 496HO missing at 3,000 rpms on take-off after warmed up
- High hour 496 loosing power
- How underrated are INBOARD engines? Twisting 5600 with the stock props 32 fever
- Broke starter and ring gear
- 496 CMI twin engine install ?s
- 496 Mag filling bilge with water
- Looking to upgrade alternator on a 496 mag
- 502 Idling/throttle-up Issue
- Teague rockers cracking has anyone seen this...
- Scarab overheat issue new rebuild
- 2007 525 efi
- KAMMA boots
- Broken Pushrod ball
- NXT1 Transmission problem, Advice, Service Repair Manual?
- Going crazy on my Mercruiser 496, need Help!
- Valve adjustment procedure
- Flywheel On 496 Stroker
- Wrapping my 47 Fountain? Who in Florida provides a decent wrap and how much $$?
- 496 Coolant in Bilge
- Shop crane help
- starboard runing cold!
- need cam expert help
- Baja not charging acting funny!!!! Quick question think I fixed want thoughts
- Broken Pushrod
- upgrading cam on 454 mag crossram efi
- 496HO issues, help and feedback needed!
- Has anyone used AUTOTEC pistons?
- Teage Marine Camshafts
- Electrical Question for Wellcraft NOVA III
- Cam advise
- Goto guy for tuffest bravos?
- 500efi problem
- Power Steering Pump Issue
- Gen v 7.4 belt diagram
- Mod my 420 intakes or buy 8:71's??
- Too much water pressure
- Header Temps ?
- 502 Mag cooling system problem
- Lost forward/ reverse. Help!!!!
- Mild 350 cams
- tranny making grinding noise
- Need add on steering help ASAP so I can boat tomorrow
- Any dyno in central Pa./ ne Maryland
- Port engine still weak, advice needed. 2005 496 ho's
- Grease points on Bravo?
- Whats up with Revolution Marine?
- Mirage 202 with a 492?
- 496 ho question
- Stock 525sc's
- Steering
- 502 MPI Nightmare!!!
- I am thinking about freshening my blown 454 mags after the season
- 496 seawater pump
- Any pointers for rebuilding Borg Warner 72c transmissions?
- thunderbolt ignition
- Engines won't turn more than 4200 RPM
- Name this part off of BBC whipple charged engine
- Mercruiser 454 MAG MPI weak!! help!
- 454 mag carbed timing??
- dominator carb question
- High idle trouble. Lookin for help
- Engine Stalling Issue
- Mercury Racing Motor Mounts
- 525 sc what lifters to use non roller
- Words to the wise from the not so wise regarding ignition pickup module or icm...
- Best Gen. For a 496 Stroker Gen 4 or Gen 6
- 7.4 mpi 2000 model had gaskets replaced the price good???
- Need Part Numbers for Gen V/VI 454 flywheel - cast crank versus forged
- 385HP 454 Rod knock
- 496 stroker jetting questions
- NMEA 2000 actuators?
- Figured out rpm surge but need some advice
- Can someone please tell me what boat this is?
- what is this amplifier/rectifier looking thing?
- 525efi 600sci and 700sci Heads... are they all the same???
- Snap on timing gun on 502 mag??
- Fuel pump fitting size 525sc
- 454 to 502 engine swap reused TB5 from 454 and im having ignition problems...i think
- problem with dual ram tab
- Merc 525 header bolt torque??
- BBC 540 performance upgrade ?'s
- Gaffrig Tachs/Smartcraft acting up
- Mechanical fuel pump on a fuel injected 454ci?
- ecm relocation
- 496 Oil Cooler, where to buy!
- Whipple VS Procharger
- Is GM Vortec 454 essentially the same thing as the 300-HP L29 7.4L?
- I.T.S. and imco stand off boxs question
- optima batterys