- 496 mag won't crank
- Bravo1 Annual Service Guide - Help
- Flushing oil lines... what to use?
- Cruisair wiring documentation??
- Thunderbolt 5 ignition module
- weiand 177 oil fill
- warm starting issue
- Second boat with corroded water inlet
- Pressure testing manifolds
- Propshaft Runout
- Depth Sounder ?
- Underwater Lights on a Hydro Hoist?
- Major need of help!!!
- Broken valve keepers - common problem
- 496HO TPS low range?
- o2 bung location
- Mercruiser decals
- Dana exhaust for 496ho
- exhaust valves
- Considering dyno-testing / procedures for marine engine?
- How much water is needed to cool rubber exhaust joints and internal flappers
- Installing manifolds and dry risers. Where to relocate shifter/remote oil filter
- 502 hard to start when cold
- What is the procedure for checking timing chain slack?
- Best Headers for hp gain 2006 25OL
- quench effect on blower motor
- MSD REV-Limit Modules ??
- CMI Etop question
- Too cold with crossover installed ???
- 496 seawater pump failure
- CMI Head Stud Clearance
- How does this go together???
- WOT different RPM's
- Eddie Marine billet sport tabs question???
- Merc 525EFI oil water fuel pressure sensor
- trim pump major leak into bilge
- Steering Rams Rebuild
- Resonators in 502 mpi exhaust
- Gel coat Cracking and Stringer Loose, What to do?
- Automatic buffer
- hawk 525sc sparkplugs
- vice marks on connecting rod cap - how big a deal is this?
- 741 cam question
- 454 Mag not starting on all cylinders.. HELP!
- Hydraulic steering ram install help
- 2 stage water pump and outdrive for innercooler
- when using rod bolt stretch gauge do you do one bolt at a time?
- 496 scan tool readings
- 4 wire Corsa solenoid installation
- pyrometer best location
- Whipple oil change?
- This is how guages are made...?
- what timming are you running in your blown sbc
- AFR meters
- Ring gap on a 496 -8.1L vortec engine ?
- Life span of an Iconel valve??
- Renegade Boats??
- 383 rotating assembly
- Corsa Quick and Quiet 25 Outlaw
- Mercruiser 420 Oils - Zinc Additive?
- Can Oil Cooler Leak Water into Oil?
- 502 refresh questions?
- Small Block Oil Pump
- 260 mercruiser
- imco powerflow plus exhaust
- 90 26ft profile offshore project need insight on it
- EZ OFF on imron
- Altenator Charging 2 in parallel? Bad?
- Bravo coupler help
- 575SCI throttle body upgrades??
- Computer Tech
- Baja hammer tach problem
- rub rail
- Engine Tuner/Builder Toronto Area
- Best Aluminum cylinder head SBC 383.
- 496 Mag HO Oil weight/power gain
- Any Metal Fab Guys-What small plasma cutter?
- Ideas for increasing power in a pair of Merc 454 L29s
- Painting speaker grills
- Hydro Hoist w 38 Fountain
- Non Vortec to Vortec swap.
- 454 cracked heads please help!
- O2 Sensor location
- How Hot is TOO Hot !
- Drives trim in/out in different speeds?
- Looking for help with exhaust system
- Aluminum Header fit issue
- fuel sending unit with duel return lines?
- Am I screwed?
- Wall cooler?
- need help with any info on kaama surfice drives
- re coloring hardware
- "Budget" 555 build
- max over bore question on 350 sbc
- new exhaust suggestions
- Battery ?????
- Through hull fittings
- Underwater LED Placement On Cats
- Mercury 525 EFI Adapter Harness
- Dart Block Bronze Lifter Bushing Bore Oil Holes Not Lined Up, Problem??
- Gas tank plate
- 1994 baja 22 Caliber
- Mercury / APBA valve covers on OEM steel heads & roller rockers?
- Corsa 4 Wire Harness - White
- 525sc w/ chiller belt??
- A little help please on 500efi heads
- Does oil go bad just sitting in motor?
- AC Delco Rapid Fire Spark Plugs
- K plane rocker switches
- vortec cam upgrade
- Dash Panels
- engine hours
- Trim Tab thru hull fitting where to by
- Better of the Two Drive Showers
- Valve check????
- hi-performance 320 EFI
- bronze sea pump kit part number?
- baja stereo help
- Help with corsa exhaust please!!!!
- Distributor gear needed with 741 cam
- Understanding Piston Ring Tension
- Gimble bearing
- Roller SB timing cover
- Merc 1075 Roller Hyd
- What distributor gear with 741 cam?
- retrofit K-planes over Bennett, etc?
- exhaust
- Inline fuel filter
- Fuel pressue guage idea on 454/502mag Mpi's
- What exactly does "Motors have been Freshened" Mean?
- oil filter
- Cam recomendations
- marine blower carbs
- rookie in need of help
- New member discussing helmets/head wear
- Swap Shop Resolution – What’s the right thing to do – Let the forum decide!
- Blower pulley with serpentine acc belt
- Trim pump fluid reservoir
- Rod bolt stretch specs needed
- Intake to Water pump bypass hose
- Racepak IQ3 Data System
- Bravo Hub
- Is the splash shield needed on 502 gen6????
- tired of the bullsh*t vapor lock!
- 2.3 Quad Rotor Whipple Installation Instructions
- Is this piston usable?
- 2000 7.4 mag mpi stalling only when cold start ups
- one wire alternator
- full hydraulic steering issue/new install
- oil cooler plumbing
- Question on manifolds
- Baseline jetting for 502 with 4/7 & 2/3 swap
- 502 not firing
- Water pick ups
- Trim Tab/transome sealant
- Need urgent help from an expert
- trim tab help!
- Behold the glory...
- Whipple standard vs MOAC intercooler
- dallas texas leak down test needed
- Looking for an intake air temp gauge
- Chris Craft 390 X Twin TRS Out drive Question
- Detonation Indicator?
- EGT vs A/F?
- Head gaskets
- Bunk Carpet
- What thread is a knock sensor?
- Oil Change in the 496HO
- Keith Eckhert 2 stage water/sea pump!
- add O2 bung in Keith Eckert aluminum headers
- Oil Filter
- Anyone have some Weiand 10 rib pulleys for dyno use only??
- Engine experts input needed on used engine
- Replacements heads for Mark IV Rectangle Ports
- Wiring for shorepower??
- Eaton pump -need spline to tapper shaft
- oil filter
- mockup engine
- cold water a bad idea?
- Gimble bearing
- front timing cover oil seal replacement ?
- Cuddy bow mount ladder
- Muffs ob dual water pickup bravo 1
- what intake and head gaskets for 500efi
- Any idea where TEAM THUNDER comes from?
- 1995 23ft wellcraft nova spyder windshield
- trim pump? 2 wire or 3 wire
- teach me about Eaton helms
- Holley Intake or Stock Intake
- Tiger head sets
- Engine/EFI harness -
- water circulation pump or regular water pump
- Main bearing bore variance after line hone
- 555 blower pistons
- Best Shift, Throttle, Trim Indicator Cables 2013
- 496 HO 425 h.p. hours
- B&m 250 or alum heads?
- Block for 383
- Stainless marine or emi???
- efi question
- 90 mercruiser 7.4 mags
- Is an Edelbrock 1410 right for me?
- Cooling water pressure in exhaust manifold question
- 500 EFI Longevity
- Seaquest or Nautolex Capitano vinyl
- teague 525 efi upgrade
- Felpro Headgaskets .060 over?
- labbed prop on Magic Scepter 28'
- Inconel exhaust valves
- Cam choice on a 383 stroker
- Sea Strainers?
- Fly wheel housing needed
- 500 EFI timing
- Fuel system setup!!!Does this sound right??
- mechanical fuel pumps
- reverse rotation engine
- 700's and 700's
- fuel pressure sender location
- anyone have an '82 40' Excalibur Hawk?
- 700 SCI - Drive options?
- Are Depars mufflers any good?
- Dry tails done align with the transom
- Carb Size
- Steering ram mounting location
- WEBER carb. bowl draining
- key switch not cranking motor
- What is a safe dynamic c/r to run on 87oct
- passive fresh water flush for closed cooled engines?
- 43' Scarab Thunder
- Breather question for you blower guys.
- 496Mag, Dissapearing drive fluid
- How much is an mpi setup worth?
- Continuous duty solenoid
- So many pistons to choose from, Recommendations for procharged 454??
- Changes in fuel octane
- What kind of life expectancy for wet blowers???
- vinyl die
- Free Air Subs.....opionions???
- Low profile windshield
- trim and trailer switch and the trim switch on dashnot working
- Stereo question
- Has anybody ever had Red Loctite fail?
- What is the rpm of my supercharger with?
- 502 MPI Intake, POS or Can It Be Modified
- For those who have gone to Desert Storm
- Mercruiser fuel pump problems
- 1981 chris craft scorpion 260 as a raceboat?
- gen v fuel pump question
- Genuine Merc vs. Sierra
- Looking for EH brake kit