- Please help an electrical idiot (battery rewire)
- 1994 454mag conversion to newer MPI???
- prop help
- Tach jumps at hi RPMS. HELP!
- Need a TRS trans end universal joint yoke
- Bravo 3X Stern Drive Help
- Sea water pump
- Black Carbon Plugs
- Smartcraft Code reader?
- B&M 174 / WEAIND 177 WITH D.U.I. (HEI).WILL IT FIT?
- 454 magnum power loss between 2000-4000rpms
- Does anyone still sell a 502 Mercruiser carb engine?
- Timing setting with a decent cam..
- pro charger
- 454 mag rebuild question
- EFI over fueling.
- Strange noises
- Hard to crank over when warm (heat soak?)
- Water in oil... Again and again and again and again....
- Drive oil disapearing. Need advise
- Drive Fluid in Bilge
- trim on one drive not staying trimmed
- Fast fuel injection
- Handling Problem!
- Carpet Connections
- Upper Cylinder and Injector Lube
- Engine alarm problem.
- EGT reading weird
- Timing setting for a 454???
- XR prop
- CMI sound choice tailpipe set need help or new wife.
- Decisions Decisions
- TRS Rebuild Kit?
- 4150 adapted to 4500 Intake?
- Header bolts
- Carb idle adjustment ? DEMON
- steering alignment over 40mph
- 496 HO engine trouble - calling Ray@raylar
- Oil Capacity
- Lost shift ability on starboard motor????
- first water test. (help)
- slow to get on plane
- Billet Anodized Sea Water Pumps
- Removing risers
- Oil Still Too Warm....ideas??
- Water Pressure Gauge
- Water Pressure Gauge
- Particles in Bravo 1 Drive Oil ?
- Change Exh. Tips, Yes or No
- 496 mag 496 mag ho
- Going rate of pay for marine mechanic?
- Spun a bearing! How do I check to see if oil line are hooked up correct
- Merc Certified mechanic?
- trs drives what are they worth???
- Torco race fuel concentrate???
- crane hi-6s with mercruiser ignition
- 496 mag ho sea pump impeller question?
- prop work
- 502 EFI MPI MPI/EFI-what did they make?
- Outdrive leaking down.
- No oil to filter or cooler???
- who had the 16" Aluminum MYCO wheels on OBAY
- Morse helm control question
- No oil to Cooler or Filter??
- Why higher oil pressure
- Deep Cycle Batteries & Mercruiser Engines
- What do you guys think of this?
- Who can fix my BRAND NEW SEA DEMON
- drive saver
- Fuel gage problem???
- Can Someone Run This Number For Me
- hp500 timing (how to set)
- 496 Cam Question
- turbo charger question
- K&N breather tubes
- Mesa Racing Engines Latest Project
- Audio help!
- Gen 5 Short Block
- Raylar review - HotBoat Magazine
- what type of hose fitting is this?
- Bravo I Shifter Cable Part #
- Will a double roller timing chain fit under the timing cover on a 454 Gen V?
- charging system problems
- Best Place to buy Merlin blocks 588CI?
- Have wobble in drive, Saginaw to Brazil control valve swap
- wanted: drew marine mufflers & stabilizer
- Lifting boat with full tank of gas??
- Bravo XR Dual Water Pickup ???
- Best $18.94 oil and filter change....
- 4 x 4.5 Exhaust Adaptor
- comparing exhaust -headers vs cast manifolds
- Modifying lightning headers to reduce reversion
- Fuel Pump???
- Trim Pump Problem--Ideas?
- 105octane AV gas
- 2001 500hp
- Recharge Halon?
- Turbulator Location?
- Another Round for CAM help
- To Start on stand?
- Anybody having problems with water pickup
- $1000 Loan Today without a Credit Check!
- Anybody having problems with water pickup
- hp 500 valve springs
- HP 500 Ignition Module -failure
- Volvo mills
- manual choke cable
- Fuel pressure problems.... Questions....
- Cable Replace
- Back pressure/baffle? what would you do?
- New Eddie Marine Catalog
- motor will not start
- Modifying a stock 454/502 mpi intake
- 500 EFI's coil and wires?
- Adjusting Morse 33c cables
- MPI motors quit at 2800rpm, HELP!
- oil cooler too small?
- Slight vibration -Checking Bravo U-joint?
- running on the hose - FYI
- Prop Guru's
- help...blower surge
- Cooling problem
- Need blower pulley asap
- Trashed Engine?
- bravo I shifting problem...
- Prop question
- flushing my pachanga
- MSD ignition systems
- TRS upper drive gears?
- Two stage Eickert sea pump
- 731-741 or 502/502 cam?
- 2003 merc 300x's w/sport lowers.
- Need some help
- Outdrive Help Needed
- Can You Identify the Year of these Merc OBs?
- What Amsoil product is the best??
- Who Makes Custom Windshields?
- Sending Units
- 5 stage dry sump oil system
- bravo drive?
- Trim Cylinder--Bravo Cyl's on TRS Drives
- Silent Choice Installation questions
- Dr. Kobrin..... The birth of Mobil-1
- T Bolt distributer caps.
- TRS reservoir
- Rocker Arm Bolt comes loose, ever happen to you
- #4 vs #5 Outdrives?
- need some opions
- bolt torque?
- On the Dyno today
- Best Polishes
- INFO NEEDED: Head "Wedges"
- Exhaust spacer/plate??? Is this possible?
- Fuel pump loosing prime ??
- 575SCi cam question
- Vertical Trim Indicators
- drilled a hole and some water came out?
- Bravo shaft size and spline?
- bravo 3 problem
- Active Thunder Extension box, Prop, Listing to port?
- Tech Tip - ADJUSTING THE VALVE TRAIN
- Tech Tip - VALVE TIMING
- Setting pinion bearing preload
- 7.4mpi (400hrs) Value$$??????
- Tech Tip - DEGREEING THE CAMSHAFT
- Tech Tip - PUSHROD LENGTH AND ROCKER ARM GEOMETRY
- Tech Tip - THE IMPORTANCE OF PROPER ROD BOLT STRETCH/TORQUE
- exhaust hose
- Lathem website
- air gap intake hose
- What's around your crank?
- Drive question
- trim help
- Prop install / assembly
- Resistor spark plugs and afr heads?
- Roll Off for boat Vinyl...?
- Does anyone know what size bolt...
- shop air compressor lines
- Bravo upper gear failure?
- Another valve spring question....
- hp525 efi spark plugs??????????
- Power steering ? w/ external ram!
- head gaskets
- oil temps where is good?
- 575SCi oil leak? FOUND!!!!
- mercruiser water flow diagram
- hour meter install?
- Low Water Temp?
- last question before assembly
- Is It Safe?
- Installing Merc #3 Drives - HELP
- Billet Drive Caps
- bravo question
- Oil filter for 1996 merc 450 hp question
- Bravo gimbal bearing and MPH loss
- Procedure for setting timing on 502 MPI?
- Help with Cam Choice PLEASE!!!!
- Engine mounting
- Torque dropping off?
- Gen V & VI chevy rear main seal
- outdrive original stickers Merc
- Hp 500
- Corsa Muffler Tips Are They To Quiet.
- What are best Bilge Pump/Swich Combos?
- Hyd. roller set up.
- how to switch from trs to bravo
- Chicago area engine builders?
- 454 mag rebuild options
- nose cone repair
- Throttle-up's Prop Testing Program
- What carb came on 420 HP Engine?
- Foot lbs torque 525sc
- No drain plug on bravo 1?
- Outdrive clanking??
- STARTER HELP, look at this!
- 1999 502 mpi low fuel pressure help needed.
- Blown upper gear set.....Friday the 13th
- Truck engine to marine
- Engine help needed
- American Offshore 26' NSX help.
- MSD Ignition 6M-2 Box
- Pilot error?
- 100 Octane?
- Trim Tab won't come up
- Spark Plug Gap.... SBC
- 97 Formula SS 33'
- 575SCi oil leak? Are they common? Anyone ever have one?
- Help with Trim Indicator bracket
- What's this thing in my bilge?
- Bennet tabs switch wiring diagram
- Optima red top won't charge
- silent choice question ?
- Oildyne Trim Pump Help
- Who has the best price
- Need help buying a 4L80E GM Transmission
- electrical problems
- 502 problems! please help!!
- Mercruiser 500hp initial timing
- prop shaft
- What oil should I use for my 454
- Installing distributor
- I did it.
- New engines and power output
- Engine breaking up
- Outdrive dropping overnight
- Buying a SEA DEMON this weekend, what one?
- Raw Water Pump Impeller Swap
- 8.1 Engine dropped and head bolts snapped???
- Mark IV Block Question: How big can I go???
- engine burned down
- I need a holding reservoir for closed cooling
- 1990 Hp 465
- trs alignment help,
- adjustable collar distributor for 900sc
- Removing ECM from computer...back to Whipple
- Tab Mounting
- which carb adaptor
- wingplate stud supplier
- Gen VI IGNITION CONTROL MODULE
- Hot water shower where to hook up after procharger install??
- Mechanical Midget - carbs
- Port Matching 502 MPI Intake
- Bravo Props Interchangeable With Trs Props?
- Limit and Trim Switch Install
- Compression? Does this sound right?
- Tuning on a procharged 502
- what oil
- whippled 525's
- Sealiing/tightening HYD steering fittings
- 7.4mpi rebuild to 454MAG
- Determining crankshaft centre-line
- Oil Temp
- drive identification
- How much for 502 long blocks
- Rebuild of 502MAG's........how much?
- 502 mpi temp?
- Vinly repair north jersey
- Tail pipe gaskets
- Holley 250 POWERCHARGER EFI 502 MPI Blower
- Spark Plugs
- Vacuum Leak?Or what?
- BravoIII XR vs Bravo I XR
- ext. transducer
- EFI Gurus wanted
- Carb Question
- Potential issues???
- Any good books/guides on electrical wiring?
- Bravo trim cylinder anodes
- Help, what carb would you pick?
- plug gapping
- Help with Head Gasket water passages
- does a 7.4mpi rev-limiter?
- 7.4mpi oil temp?
- What should it cost ?
- 575sc Questions
- Mercruiser diagrams
- fuel leaking out my breathers.
- Pumps for 280 KPlanes
- Weak trim pump
- Bravo Gimbal Tricks
- Set Timing?
- vintage outdrive question
- Procharger head and intake gasket up grades
- Is there a good solution for getting rid of my milkshake oil
- Dual Carbs vs MPI on Blown motor?????
- Merc Mechanic Lake Hartwell Sc
- Wiring a battery switch
- Changed circ pump - Scaling in water passages?
- Best distributor that fits Dart tunnel ram?
- Water Temp To Low ???????
- Fuel gauge
- Is This The Right Cam For Me?
- brake calipers and pads wearing into the hubs
- Timing chain and gears
- X-Dimension?? High or low what is faster
- Need intake manaifold
- Need TRS trim cylinders
- Did anyone ever have this happen to them?
- MDG Performance feedback.
- 7.4mpi octane required?
- Max HP/RPM for stock cool fuel??
- Imco 2 Inch Shorties
- Replacing K-plane indicator cable ?
- Prop Shaft Protector
- Twin, fuel pump, regulator, return line ?
- 600SCi upgrades
- What's flow got to do with it. . . . . . .
- Outdrive GURU's ????
- Bravo One oil leak- Help!
- Spare Prop Holder
- Trim pump problems / Slow To No UP
- compression ratio
- After Market Oil Coolers
- Need Advice: 3.3 Whipple or Quad Rotor for 557CI
- paging houston prop
- Holley 4 corner idle
- Changing Merc Si Choice Diverters
- B&M 250 Pulley
- I've had some request to post the Camaro so here you go
- We Got ON The Dyno Saturday
- 7.4mpi STALL?
- Replace Merc 5.7 L with GM crate
- Adjusting throttle cables
- blown head gasket
- blown head gasket
- Which Oil Pump ~ Hi Volume or STD.?
- Gen IV LS6 Heads
- Edelbrock Heads
- 525 SC motors
- Alpha leaking oil
- Push rod length checkers??
- Roller Rocker tips on 502 GVI
- GPS vs. Compass
- Gil Manifold
- Which First - Full Hyd or Tabs???
- Piston ring end gap
- I need to add a couple ounces of gear lube, can I do it from the top vent?
- OK to switch to synthetic lube in old bravo??
- Changing Exhaust Riser Gasket
- F350
- KAMMA Parts
- 1998 454 Mag Engine Scanning
- Engine Break In
- Max Battery Cable Length?
- Hose water pressure when flushing
- Truck question
- What Oil Filter on 500hp carb?
- Anyone know where i can find this???
- Deep cycle batteries vs. Marine Batteries
- gaffrig tach accuracy
- A friend of mine's boat...
- How accurate are GAFFRIG SPEEDO'S
- Carnage.... #1 u joint and outer belhousing
- Shake Down Run, Motor Backfireing at 3200rpms (Whats Wrong??)
- Throttle-Up Does It Again....
- Bravo rating
- Houston, I think we have a problem...
- SSM III Transom assemblies are interchangeable
- Throttle Cables - who makes the best?
- Piston Choice- hypereutectic vs. forged
- DUI distributor and rev limiters?
- Hp 525 And A Whipple
- Full hydraulic install - removal of old system
- Best place for 502 short block
- 7.4 mpi SMALL HP INCREASE?
- Livorsi drive or tab guage
- Setting the Base Timing on a 502MPI
- Just popped a cylinder - go for stroker?
- carb setup opinions wanted
- Pros/Cons/Details - full vs add-on hydraulic steering
- jaws 24
- Cleaning neglected aluminum wheels??
- Bravo 1 shift cable is bound up
- 22' / 23' Boat and tabs
- What's the difference between the Xr and Xz
- 454mpi vs 6.2??????
- cc of small oval part heads
- 575SCI blower oil change.
- Temp sending units
- HP500 merc/dart intake fitment?
- Sender resistance values (merc compatible)
- Merc Alien Cowls
- Loose screw fix, HEY BRS what was your fix?
- A couple of questions
- Does any one have a set of fuel injectors?
- Need new throttles
- 500hp gauge readings
- Belt numbers for 1994 454 mag carb??
- Installing Lectrasan need some tech suggestions
- Will Hydralic valve lifters too tight affect oil pressure
- Hello engine builders, I need a little help.
- Smartcraft beeps
- will not trim up?
- Who makes those combo guages?
- Power Steering squeals
- hp 525 leak?
- Trailer winch with 3" drum?
- transom thickness
- Valve guide clearance...Is there a..
- kaama exhaust silencer
- Fuel sender HELP
- Depth Finders
- Weak rocker studs?????
- Bravo One speedo plugged
- 454 rebuild complete
- The OSO Dyno Room
- Mirroring enging hatch
- Need forged pistons for 454 .030 oversize
- 502mag Vs 454mag Efi
- 8.8 or 9.5 CR
- Using Alcohol To Replace Gas????
- new engine going in - need prop
- Paging Dave N
- Merc 900sc
- Formual 400SS-502, 500HP, 500EFI, Volvo 8.2
- HOW do you zero trim tabs ???
- re-power 2 cents worth
- Bravo One pitot blocked
- Need comments on engine pic...
- Mounting Tabs
- Roller lifters input
- Carpet glue
- Does cool fuel cool supply or return??
- "Crate Engines"--What are they/What's Special
- Replacement Merc air cleaners
- Removal of 496HO restriction plates
- Stainless Marine
- How to Build 500hp from a 454/420hp?
- Cracked Trim Pump Reservoir
- Installing Water Thermostats
- 6.2mpi upgrades
- Raising your X....
- measuring "standard Bravo exits"
- Fixing chips in drives?
- Lean condition. Q-jet help needed.
- 351W Rebuild..... injectors, lower intake, etc.
- Head Gasket Thickness?
- Rubber bushing for nose of Bravo 1 drive
- A special thanks to Throttle Up
- Mesa delivers Otis Tiger
- 30 foot mariah lists to the right.....
- Merc. 502 rev limit?
- Lightning Headers on a 502 efi?
- Swivel shaft seal
- Fuel filter?
- STARTER MAKING "LOW CYLINDER" SOUND?
- Switch wiring question
- 454 Mag Carb Vs. 7.4l Efi
- What are you using for a drive oil pump?
- What weight oil
- Calling all gear heads! 496 stroker build up.
- B/W 72C parts
- Drive Gear Ratio, what to run with added H.P. ???
- Torque on 540 and 572 ci
- TRS Lower Drive Blueprint
- proform distibutors ???
- Blowers And Carbs-should I
- Are Gen V and Gen VI bbc flywheels interechangeable?
- 1996 7.4 LX EFI motors - background and details?
- Oil lines, what's what?
- alpha outdrive 1987
- Jet Dock
- rev limiter?
- quadrajet choke?
- CMI header leaks
- Almost Sunk and Burned Up My Boat Yesterday
- 496 HO Water Temp and Water PSI?
- Amp draw
- Will Gen 6 bbc heads work on a gen 4 block
- CMI tailpipe questions
- Hatch quick disconnect
- glove boxes for sale??
- Cig pulls left
- Gasket sets
- drive paint
- Has anyone been able to remote a light or horn from the stock Merc knock sensor?
- Do prochargers make noise @ idle?
- hp500 efi cam with b+m 420 mega blower
- What's diffrence between HP500, 502, 509 and 540?
- Mounting external steering ram