View Full Version : General Q & A
- Mechanical Indicator Cables - How much indication slop?
- 5.7lx Cutting Out
- An Fittings- How Do You Assemble Without F&*^ing Up The Anodize
- Procharger installation on a 500 EFI ????s
- 496ho oil filter
- Fuel economy??
- keikaffer merc racing drive gauge
- Changing pick-up coil in distributor-Delco HEI?
- Billet Marine water crossover kit
- bolster brackets
- B&M EFI superchargers
- 454 mag rpm question
- 454 out of a truck-work in a boat?
- Who is using Aluminum heads in salt water?
- External steering HELP !!!
- Pvs Plugs
- Bravo One and Three
- Over heating problems on a step hull boat
- Riser Gasket question (Mercruiser)
- TRS Max Trim?
- need torque value
- O2 sensor in my CMIs
- A.N. fitting
- 500 HP Weight ????
- Help with 496 Mag HO
- Which 496 ECM Diagnostics Manual?
- Oil pan size for 496 stroker
- I'm sorry...another procharger question
- Drive Trim Switch Broke....
- Chevy 454 piston rings
- Gas Gauge issue - needle bouncing?
- 496HO Water temp
- 1996 502 mpi water&oil temps
- fuel pump shaft replacement 94 502 mag????
- Wire diagram chevy 350 mpi
- Who can cut me a new dash panel?
- 454 mag--losing spark on 4 cylinders :(
- When hitting throttle motor is doing weird things
- Gaffrig Monster GPS Speedo error?...
- smitty
- 500 efi starter issue
- 496 IAC Output Fault Mystery...Solved????
- power valve or not.
- Konrad 800 SCI by R-tech Performance
- Alarms going off!
- 502 Head, Rocker, Intake torque specs?
- Gen VI 454 ?????
- Help Please!!! Keep getting water in the oil
- SBC, seems low on power latley
- 502 Fule Injector Cross Reference
- twin 496ho's one surges
- 496ho fuel problem
- Idle Culprit
- Help? Bravo 1 Question
- power steering pump
- 525 EFI H2O pressure
- Broke my bravo Bell Housing Assembly
- Seawater Pump Help Please
- Pipe Plugs
- Wtb:502
- Looking for a Thunderbolt IV
- 502 Overheating....Please Help
- Towing limits
- New to EFI, wont start, no spark.
- Mercury 383 MPI
- Iac Position
- 525 mechanical fuel pump needed
- Does it have a Rev Limiter
- Does it have a rev limiter
- Bravo Coupler Qustion
- What should my average oil temp be on a supercharged 454
- Procharger pros and cons?
- Installed Dana marine flow torque 496HO, need some help??
- LED MEFI codes...?
- Whats it worth? How should I sell?
- Demon or Holley
- What kind of boat is this???
- safe timing?
- flywheel or flexplate
- SC5000 Master reset?
- Just testing new avatar
- Blew a Spark Plug
- Need help to rebuid a mercruiser 454 gen VI
- thru hull tips w/flapers
- 496 Procharger roll-call
- whipple Help!!!
- looking for modified 454/502 mpi intake
- lock out dist. or run advance, that is the question
- Aqua Shade
- Water pressure issues. Way too much
- Idle surge 502 EFI...HELP!
- Growl/vibration in the floor
- Reading oil level on the stick...
- Oil filter mounts
- How low can a 496HO idle?
- Gimball ring Bravo 1 wanted
- Windshield Screw Replacement / Re-Drilling
- 1.5 Years after build...still o.k. to fire up?
- Any problems with changing tstat housing styles?
- Fuel Pump Relay Question
- Plumbing My Eickert Oil Thermostat , Fitting /hose Routing Question
- oil cooler
- Wiring Harness
- Big thanks to RMBUILDER!!!
- funky water temps???
- Exhaust Question
- Lower temp warning switch?
- Crap - it's locked up - now what?
- Oil Line/fitting ??
- Tach Problem
- Studs between Bravo upper & lower question
- Mercury thunderbolt IV ignition advance module question
- 454 Mag Help Needed
- 454 mag exhaust choices....Help!!
- water reversion
- Oil Filter Change
- digital kenwood remote
- imco drive
- TC marine - italy
- Excessive steam...could this be the problem?(pic)
- HP500EFI Distributor cap
- Keeping boat on step
- 35 Ex Fountain tails
- What about vinyl graphics?
- Trim up intermittent, trim down works, still clicks
- Crane Fireball Ign. help!
- Thru hull fittings....
- head bolt torque spec on a 575SCI? Setting Timing?
- plenum pop
- Big Bore cam suggestions
- Calling all EFI/MPI guys
- A friend's 502 problem...
- Hydraulic assist question Brazil? or Saginaw?
- Eddie Marine exhuast Tips
- turning my 454 mag into a 500hp
- Duramax Diesel for marine applications??
- Need Some Help Engine Guys
- Oil running too hot
- Mercruiser engine HP size ?s
- High water pressure
- repair steering
- 525 cooling questions (2 issues)
- bb manifolds
- Just got this baby!!!
- 454 backfires and misses
- Mystery oil leak
- Installing a transom mounted pickup?
- 502 overheating problem
- MSD coil part #8226
- merc parts
- I think I know the answer.
- 1999 454 mag mpi fuel pump
- Compression Numbers (in psi) to determine blower compatibility
- H20 & Oil Don't Mix
- 496ho seawater pump failure
- 540 Torque Monster
- captains call breaker
- Bravo seawater pump belt removal
- Procharger for Merc on a 496 Volvo
- Merc 502 EFI manifolds
- Cometic Head Gasket Part # for a 575SCI???
- Bolt on Mods/Upgrades for SB/BB -- Dyno results from CHP Magazine
- Engine coupler
- Thru Hull Fitting.. Do they make one that goes the other way?
- anther problem
- 1997 502 MPI Issues - Vapor Lock?
- Ignition Problem- need suggestions
- Merc 454 Simple Upgrades
- Hydraulic Steering getting tight?
- Help me freshen my 502s
- kohler generator shuting off-whats up?
- Blower motor timing questions?
- Throttle Cable adjustments
- World Pro Oval Port Heads, Need Rectangulars
- 310hp or 330hp - Whats the difference.
- Cutting Dash - What to use?
- arneson #6 standoff box ??
- Captain's Call Exhaust Options and Headers
- wheres the pressure
- Thru-Hull Exhaust Help
- Stroker crank install
- Borg Warner 71C Limitations
- 540 Cam Question
- Battery or Alternator?
- How do you check the ignition timing?
- Gen V to Gen IV Fuel Pump - Sea Pump or Not?
- Air fuel meter
- Thunderbolt Ignition 454 Magnum
- Timing chain oiling on dart big M block
- What carbs should I get
- MSD advance springs??
- gaffrig water temp guage like 70 degrees off?
- Help Engine Full Of Water
- Adjusting Carb
- Opinion on $$$
- high pressure fuel pump
- Dont laugh !!
- Can't get rpm's up?? A TUFF! one here.
- Alpha 1 water coming into boat
- Anyone running a raylar 203 cam and ECU recal?
- MPI experts needed (wiring color code question)
- hoses connected to thermostat housing 454 magnum 92'
- Checking for rotten stringers and transom Question?
- Aeromotive fuel pump
- fuel pump
- Merc MPI question (wiring harness and distributor)
- Desktop Dyno
- Extension boxes???
- Bravoxr
- Miss goes away when #4 spark plug wire is removed?!
- Question on a engine and boat combo
- torque specs. for my "1991" 502 bottom end??
- Need Help merc 2.4
- Help! Steering hooked up backwards
- Cutting stainless????
- pump wire size
- 454 Help
- Stereo Ignition noise
- 496 HO Quick oil change Procedure
- Bravo One X Diesel
- Aluminum or SS Crossover - Any Difference?
- Oil Coolers - Which Runs Cooler - 1/2" or 3/4"
- stainless threaded studs
- Oil change Question.
- '89 7.4L with prob. wiped cam- what grind to use?
- jackhammer
- 525 sc r.p.m's
- Cracks In Bilge/Bulkhead Area
- Mech. fuel pump question
- Flame if you must - I gotta ask Blower ???s
- Stock Bravo lower - what speed is sportmaster style lower needed?
- 502CI 4150 carb help
- slowing down
- Vapor Lock?
- need more horse power
- Boat Stereo ?
- 3" to 4" Riser Conversion
- Water pressure guage question
- Air/fuel ratio system
- Rough water - drive trim or tabs??
- octane for 89 330hp 7.4 liter?
- Boat won't go straight...help
- oil cooler ......
- 496 belt problem
- up dating prochargers
- #4 speedmaster 4 blade props , small shaft
- flow rate
- Sarasota - Need Mercruiser Mechanic
- Oil Filter for 700 Sci
- HP500 or modified 502???