View Full Version : General Q & A
- mpi running rich at idle
- Freeze plus Chevy
- 500efi intake gasket
- What Temp Sender is This?
- Older 110s kplane
- Mercury 1100 Valve Lash
- T-stat housing plunbing
- 489 Temp weird temp issue
- What Engine Oil for Superchaged Engine?
- Installing thru hull tips
- Questions about big power
- 548 or 572 BBC N/A Build Assitance/Advise
- Alternative to Rubber Exhaust Flappers??
- Deutsch or Weatherpack or Metripack?
- Water pressure too high?
- Sierra vs. Mercury / Quicksilver
- Gen V marine 502
- catamaran planning issues. 30' Chris craft
- Replacement 5.7 350 engine
- Holley EFI/DIS Conversion
- 2003 fountain 29 cabin door gas assist cylinder for top flip up door
- 500efi head gasket
- 496 ho drive coupler question
- Speedo hook up?
- Tachs not getting signal from smartcraft
- Engine swap question
- 454 blower update.
- Help - Merc 454 can only get to 3900 rpm wot
- weird distributor problems...
- 454 Mag MPI: Strange cold idle….almost sounds like a 330hp for a few minutes
- Wiring question on an engine swap
- Thermostat Questions - Notched Gasket?
- HaxbySpeed
- after market exhaust 350 mag mpi
- Need Someone Smarter Than Me
- Thru hull exhaust question
- What's the purpose of the shift bracket?
- 496 Position Sensors (Cam & Crank) Question
- oil pan related question
- installing transom assembly
- Questions on Engine Modification xm270hr cam
- B/W Tranny dipstick plug help
- well do i have the start of a trans prob
- Dry sump tanks
- What type are these switchable exhaust tips?
- Marine Machine steering cylinder seals
- 500 efi ECM and harness question
- Trim pump not sounding very good, Bravo 1 drive
- Tach acting strange??
- Thru Through Hull Transom Low Raw Water Engine Intercooler Pickup Grooves Channels
- how to convert to dry exhaust???
- Looking for performance increase in 454 magnum EFI and prop advice.
- Loose steering
- How much to fill antifreeze container in a 525?
- 496 HO Burning Pistons
- Flame Arrestor / Filter Elements
- Another fuel system setup question - fuel / water filter before or after mech pump?
- Let the guessing game begin as what broke in 502 mag EFI
- 3" vs. 4" thru hull exhaust
- Bilge Pump Question
- 98 502mag mpi surging
- cover bled hint of color onto white vinyl how to get out
- HP500 oil filter mount question
- Anyone used ggb inserts in dry tails.
- Cam intensity question
- 525efi Tach reading high
- How to get a little heat with crossovers...?
- Boat with shorties question
- Who has had issues with afr heads??
- Running two different styles of pickups on Bravo drives
- Fast ez-efi, holley terminator ?????
- Cobalt 342 motor troubles
- 525 EFI alarm 2800rpms
- How do I set timing with no marks on crank?
- 525 efi power loss
- Setting X dimension
- 525 EFI Too Much Water Pressure
- 7.4 lx efi falls on its face and hesitates
- Windshield Wiper wrist bayonet connector?
- 4 blade prop question
- 502 mag mpi?
- chicken or the egg, ECm or guage
- One for the gear heads.... or maybe a stupid question...
- Timing a delco voyager distributor
- adjusting valves with intake manifold installed?
- Both trim tab switches and drive trim switches not working
- Motor does not run right at low RPM
- Rudder Spacing From the Hull ??
- Flushing with thermostats (with holes drilled)
- K Plane hydraulic fitting available lengths? Part numbers? suppliers?
- 96' 502 mpi, low fuel pressure
- Stupid mistake - have I done any damage
- Testing an ignition module
- looking for drive shaft housing & bearings
- Water pressure question, Before I put it back together?
- Rochester question
- 525 EFI refresh lifter issue!!!
- Carburetor to EFI conversions
- what kind of boat is this
- 525 efi headers
- Has Anyone done high compression e85 motors on a big boat?
- TRS drive install
- 500 EFI noob help
- Detonation melted my piston..... but what caused the detonation?
- 1991 Baja steering problem
- What fuel pump for a 502 making 600+hp.
- 2003 evinrude 115hp 2atroke outboard
- cam info needed
- zero out tach
- What gasket surface cleaner?
- Cometic gasket surface RA
- 26 hustler vs 25 active thunder tantrum with similar power?
- 500efi head upgrades
- Merctrans linkage/brackets help (man-shift)
- What's a good price and will it work ?
- 502 burning up water pump impellors.
- vertical stack batteries
- Looking for proper Mercruiser service manual p/n's.......
- Closed Bow or Mid Cuddy open bow?
- Cleaning under trailer bunks
- 2 stage sea pump rebuild
- 496ho Impeller question
- Wasted Bravo 1 swivel shaft/steering pin?
- Dual water temp sending units on HP500??
- crossover on hp500
- upgrading to 33c cables
- Crossover temp problem HELP
- Dual Ram Power Steering Issues
- CMI dealer
- O2 Sensor in Riser
- Recommended fuel line sizes to support NA 575 HP
- y pipe diffrence
- Holley carb paint / powdercoat suggestions
- Need an answer to back pressure
- Blower carbs what to run ?
- Ok, Ok, I need a new steering wheel...
- Dropped a valve!!!!!!!
- Bravo Drive Coupler Grease Cup?
- Livorsi / Vessel View / Vantage View ? wanting to upgrade dash
- What size is a 86 cig mistress 35??
- Are outboards really that much cheaper to run?
- need help with a simple wiring issue
- 496 or 502??
- Power Shift
- 500 Efi fuel pressure regulator?
- Bouncing Tach, need more suggestions already searched! Confused!
- H2x vs donzi
- hp500 distributor fit on 500efi
- oil temp
- Lift points on a '83 Scarab 377
- Help with new 540 flywheel selection!
- 454 MPI Random Power Loss
- Bravo Trim ram - only one working?
- Fuel pump Q?
- Looking For Engine Side Smartcraft Male Plugs
- What is wrong with these head gaskets
- aftermarket alum heads..clear 454 mag piston domes?
- 454 mag mpi lack of power? Idles and revs fine, no miss
- How often do your routinely clean your air intake(s)
- Speedometer pickup?
- Spintron
- velvet a73c
- 525 water pressure problem
- BBC Engine missing side caps?
- Morel 4603 lifter noise
- What widebands you guys running??
- What Prestolite pump for an Alpha 1 '86 outdrive and the differences between them
- What is this??
- Need help with a inject blown 572's that will not run in gear
- anyone have any info on Opcon/Imco whipplechargers?
- Carpet under seat bottom bases or not?
- Springs pressures and valvetrain life
- Nothing left to check? VP 5.7GSI wont start - good fuel pressure, good ecm, wiring
- Formula 330 SS re-power
- Blowers 454 engines and compression ratio?
- What cleaning solution to water in oil cooler and lines?
- Bravo 1 props
- Cmi air cylinders
- Smartcraft/AGI Box ?
- Are the mercruiser M1 camshaft still available?? I need One
- Very high water pressure
- 383 mpi , buzzer , stalling help please
- 525 EFI intake gasket options
- Best product for bedding trim tabs +transom assemblies
- Looking for feedback on carbed HP500s
- Wrinkled Looking Vinyl......what's up?
- getting rid of the vst tank
- DUI Live Wires
- Dominator tuning
- Wierd tuning issue with Whipple engine - Holley ecu
- Bravo XR with finned top cap torque spec
- SSM prop pitch
- ARP head bolts for 525EFI part #
- Valve Cover Breathers: What Works?
- 525EFI oil pump driver/sensor position
- Hydraulic Steering
- b&m 250 mpi blower questions on a 509
- mk hammer marine
- Flushing tubular oil cooler... yes or no??
- Plumbing for flushing or trailer running.
- Exhaust Bolts
- Old or new partnumbers oil pump 525 EFI ?
- Going through electric fuel pumps. Why?
- Need a good Prop Shop In Portland Oregon??
- 8.2L Impeller Replacement
- Oil pump help
- AFR with procharged setup
- What size headers
- 2008 mirage wo6
- Pop up cleats
- 3/16 inverted flare hose fitting
- difference in a 496 mag base model and a 496 mag ec model
- Any ideas on where to get parts for Captians Choice Exhaust? 525 sc
- how many quarts?
- Broken Whipple Pulley Studs
- Change plugs after fogging?
- Bosch oil filter, thread buggered up
- Tranny vs bravo boats
- Did I just blow an engine?
- 217 mirage fuel gauge
- Intake manifold gasket question 454/330
- Remote Oil filter
- mechanical fuel pump questions on bbc
- Fuel injector cleaning
- 2 power steering pumps or just 1?
- Beehive Valve Springs. What if any are the downfall of these springs??
- intake manifold torque lbs
- 1987 wellcraft 26 spyder
- 496 Vortec Cam Swap to Crane cam?
- Cool fuel replacement to Aeromotive
- Kohler 5E - Genset Help
- Gasket kits question...
- Marine grade silicone
- Switch / circuit breaker help??
- Swim Platform Material
- Source for stainless "T" in 1-1/2 inch
- Speed Loss From Speedo Pitot?
- Engine builder
- Cmi e top header question
- 575 sci wont start
- rocker arm stud diflection
- Where to buy hatches
- 496ci 585hp tuneup
- Mercruiser Exhaust y-pipe 44265-C tube y pipe compatable
- Anyone have external full hydraulic steering on sonic prowler
- 600sci cam good for a 502 carbureted
- HP500 spark plugs
- Fast EZ-EFI 2.0
- Rub rail
- few questions with new build