- 496MAG vs. 496MAG HO
- Help setting the timing on HP500EFI
- 2 Stage Sea Pump
- Need to adjust how fast my K-plane moves
- Yamaha what year??
- Anyone ever try a chopper prop on an I/O
- Hot Alternator
- Bent Skeg
- 720 hp gm big blocks
- 1998 502efi stalling ?
- Need parts help on SSM 3A's???
- 454 Mag MPI Speed
- Drive alignment
- B1 trim adjustment
- Sticking trim switch
- Water Temps?
- timing for HP 500
- Proping question...
- Sticky Steering! Please Help.
- Voltage Issue
- Will these help?
- Looking for good vinyl cleaner
- 38 Wellcraft Scarab KV - how much power
- What size carb?
- Trolling with outdrive in up position??
- Impeller Change
- 575/xr reliability in a bigger single
- Looking to switch back to N/A motors
- Hydraulic helm question
- Chiller Question
- 540 BBC
- 502 Mangnum EFI No Oil Pressure
- Am I crazy?
- Identify which 502
- Bravo drive gear change to 1.50
- 454 Mag MPI Hop-Ups - Will this work ??
- 7.4 has no power above 3000rpm's
- Props or tabs
- Carb Base Gaskets
- Small block and Big block kits
- Tried a 24P Bravo 1
- ****!ng Oil Fill Caps!
- Blown head gasket after Big Dicks
- How many hours before rebuild?
- spun bearings & new oil coolers
- Simple question but I don't know the answer
- Need Wiring Diagram
- HELP!! 7.4L/330HP with Issues!
- 4blade vs 5blade speedmaster props
- Port motor went to lunch
- Volvo DPX Props
- 2 bolt bbc block OK for 450 hp?
- Bottom Blueprinting
- A/C Water Cooled Condenser
- Dennis Moore's Book BBC for $12.99
- help me get rid of these parts
- steering question
- K&N Air Filter on 496 Mag HO
- Arizona Speed and Marine 496 upgrade kit?
- Tachometer Problems
- Extension box or shorty drive on Top Gun
- best props, 32 fever
- bravo gears
- Popping in exhaust??
- the need for speed??
- Best Place for Rebuilt Alpha Drives???
- Gaffrig or Autometer/marine ?
- 350mag mpi & whipple?
- Fuel Pressure
- 500hpefi problem
- Valve Lash solids
- Valve spring issue 500 hp carb 1999 model
- rpm gain/loss per prop pitch?
- shorty drives
- What oil for bennet tab pump?
- cross overs ?
- bravo drive will not engage
- Used BBC water pump, garbage?
- LWP replacement options??
- Bravo stuck in forward
- How much boost will I loose????
- oil temp higher after oil change
- HP500 valve covers
- King Cobra Question
- reducing prop slip
- loss of up trim
- hyd roller for 572 or 598 BBC
- drive won't trim up when running fast.
- Help with propeller choice?
- 40' Scarab questions
- plumbing electric fuel pump
- 94 Dodge Ram Ignition Problem
- spark/no spark/spark/no spark
- Disparate and out of ideas!!!!!!!!!
- Paxton Supercharger on E-Bay
- What's It For ?
- Drive extension from mercruiser
- Fountain Race Fairing
- Rough running???
- Low RPM
- Exhaust upgrade advice
- bravo upgrades required for 550-575 hp
- Paging: Dennis Moore or anyone else who has a good knowledge of Merc 300 Tempest SBC
- Dennis Moore Please, Manifold Q
- 502/502 Gen VI crate Shortblock
- Mercury Replacement Decals
- Mercruiser 454/330 questions
- cubes or blowers ???
- Need Help-500 EFI Overheating
- solid hub cleavers on a bravo???
- does a waxed hull increase speed slightly
- What fuel/water filters would you guys recommend?
- Battery Charger Fun!!!
- 38ZX possible power?
- XR Upgrade?
- Starter rotation question?
- air filter??
- O/T NASCAR question
- 253 Convincor
- Re-Rigging Power steering Banjo to Flair?
- fogged gauges
- single VS Twin fuel economy
- Updated ecm's for 496 / Black Transom
- O/T Car Blowing out antifreeze
- Questing a bump stick...
- Need A 26 Bravo Prop For The Shoot Out !!!
- TRS Drive Oil ,Got Milk
- O/b Steering ?
- Excessive steam.
- Tempest Prop
- OE Roller Hyd Lifters/168731
- BRAVO I Stuck in Reverse?
- Some SS hardware help
- Redline Engine Oil
- Redline gauge or Pressure problem (again)
- Mr. Gadgets---my drives are doing that little cooling thing out of that hole!
- sea pump impeller?
- 89 Cutlass Ciera, big thump going into reverse?
- Serviced my engine today and found a problem.
- 1998 502efi tune up ?
- forward problem with mercruiserII tranny
- steering poor at low speeds
- Sorry not rewerse prob forward
- Starter bolts are bent
- fuel out the "J" tubes on 1050 dominator?
- Question about SS#3
- Help reverse problem with merc trany
- trim alignment on bravo I
- seawater pump bracket, mounting bolt size?
- power steering cooler?
- exposed metal on hull
- Has anybody used the Arizona Speed and Marine on The 500 EFI's
- hey jim v
- A note on Nickerson Performance
- Where to mount transum water pick up and speedo
- Steering Squeak
- Stalling Problems
- Muffled exhaust concept
- Compression Test
- Lacking Confidence
- iron or alum.
- bravo xr and Redline heavy shookproof
- What sensors will shut you down?
- Problem with a 383
- heads
- Good oil for Twin Disk Tranny?
- no oil pressure
- Tomcat whats up with the dyno test?
- Ballistic Propellers
- CMI help
- Rebuilding an HP500
- Preserving a motor
- Exhaust manifold question??
- Please Help With Some Tune Up Questions
- running hot
- TRS outdrive
- what kind of work for top end?
- Need part # for Oil Filter
- Chris Craft 281 w/Velvets
- where to wire in a elec. fuel pump
- Prop question
- anyone put stellings boxes on 93 35 fountain
- Any one have problems with their sonic?
- Need advice Whippling a 7.4L MPI
- Changing ignitions
- Where is a good place to get some prop work done?
- Tbolt IV module, rev limiter?
- gray smoke & I think fuel coming from right exhaust of 502 EFI
- closed mufflers
- Anyone change a gen 5 cam?
- N. A. intake for a 496
- Two 500 Hp's For Sale & 3 Emco Extremes For Sale
- popped out of gear
- leaky headers????
- OK Guys I Need Oil Temp Help
- Comp Cam
- 92 octane for 377 Scorps?
- SSM #3 Alignment Tool
- Supercharger/Procharger related question
- jetting question
- How Big of a Cam for Captain's Call
- Fuel Regulator Return line project Update!
- Merc 350 mag efi HP???
- baja 232 top speed not there?
- Bravo shifter cable adjustment tool diminsions
- intermittant crane roller rocker noise
- Exhaust Question
- I have a sticky rocker on my port SBC
- standoff boxes
- PM 300 - dark and wet plug - help!
- Trailer Rollers Protection
- Quick & Quiet Exhaust Issue
- Setting Timing on 454 mag efi
- Will a QS Mirage fit a Mercury 200?
- Budah/Jack....Thanks for helping out my friend!
- fuel PSI regulator
- What's the right size carb.
- Painted trailer into salt?
- 454 Mag - remote oil filter - which one and other tune up Qs
- coupler
- Prop size question
- Why no tunnel rams?
- 400 hp efi small blocks??
- Big Chief Valve Covers???
- Dual battery installation.
- Converting Gen V 454 to Gen VI 502
- p-5 hydromotive
- What do you think of this combo
- Prop Overpitched? Re-post
- Gear ratio vs. prop pitch
- Crazy Oil Leak
- Need a new steering rack w/cable
- gil pipes hot
- headers (stellings) clearance questions
- Trim Sender Units?
- nose cone
- Help me diagnose my props!
- Warped Carb Throttle Body....
- What power tool do I need???
- fountain warning lights on why
- Best spark plugs for 496 Mag HO?
- Need part # for springs......
- Reducing water in exhaust
- Red line on a 420
- Rev limiter on Stock 496 Mag HO
- C-Hawk Trailer Brakes
- aluminum prop equivalent
- Hydrolic steering is getting stiff???
- cylinder locations/fireing order
- Ultradyne
- 22' Scarab Prop
- CMI - bolts keep getting loose
- 500HP carb induction system on a 454
- Oil Pump Pickup Removal
- Mercruiser Wiring Diagram-Starter
- Drive bottles overflowing
- More power for 7.4MPI
- Drive Lube Leak
- Exhaust Alignment Update
- Trim gauge problems!
- snap in carpet
- Carb choices?
- CMI Ropes
- Circulation pump/water pump ?
- Fuel Regulator Return line ?
- Temp heats up as RPM increases
- Spark plug detonation
- 100 Dba
- Service manual to Trs and trans II
- Need help with Alpha One assembly..
- which electric fuel pump?
- corsa muffler tips ?
- Gen 6 "long" hyd rollers
- 502/425HP and 502/500HP difference
- De-blowered 454 Mag
- 502 MPI Headwork and camshaft = how much hp?
- Corsa Q & Q question
- sea strainer alarm
- Intercooler plumbing ques
- DaveF's new engine
- Prop ???'s
- Mercruiser 502 EFI Misfiring
- gear ratio up or down??? need help
- '87 & Later SBC Hyd Roller Cams in Older Blocks
- VST fuel level?
- procharger 496 HO supercharger
- Gettin Close
- raising x dimension -increase rpms
- Merc. rev Limiter, how to disable?
- Gen IV heads on a Mark 6 block?
- Alpha Help
- Need some pics of Spark Plugs
- Houston Prop ,Thanks Darin
- Adding blowers to HP500EFI's
- Blower carb help
- sending units
- Need An Oil Cooler
- need a 671 blower intake manifold
- Octane???
- Nipples???
- Fuel Filter/Separator
- 502 timing
- Budah, question on valve springs...
- Looking for Jabsco water pump - HELP!
- 496ho impeller
- When re-installing the distributor?...Timing?...
- Fountain Deck Hatch
- piston identification
- oil consumption
- Temp gauge, grounding ?????
- Hyd Roller Lifters
- Fresh Water Tank
- What limits the size of the prop?
- Need info on 575sci's and xr drives
- Coolant selant in Aluminum engines
- OT: Car starter issue
- Blown Trs Drive
- Problem shifting into forward/reverse
- Breaking in a new roller cam
- dip stick
- High rpm cutout?
- mirage vs bravo 1 vs revolution 4
- What should I get for top rpm
- Red-line question
- Part Help - need old style trip pump reservoir with single bolt through bottom
- Latham Steering....
- TB-4 ignition modules?
- High oil temp?
- Trailer Winch Strap
- Help!! Overheating!!
- Bravo I lower gears???????
- Installing Lightning headers on 502MPI.
- Batteries, battery boxes, and switch.
- Any one have a 502 short block they want to sell ??
- Need manifolds for a 502 MPI
- Gen V vs. Gen VI Difference?
- procharge owners need advice.
- HELP! Cracked water pump
- Spun a coupler
- Moore Performance
- efi limited?
- Speedometer ???
- Prop "Labbing" or "Blueprinting"
- Mercruiser 350 one cyl no comp....
- quick question max rpm out of 502?
- TRS lower hinge loose
- alternator install
- Bravo lowers itself overnight...why?
- Sterndrive Showers question
- HP 500 engine specs
- 496 Ho
- Baja 342 Canvas
- Merc trans problem !!!
- Carb to Vovlo Penta 496 HO
- upgrade bravo 1 ?
- Volunteer needed for supercharger installation and dyno test
- Alpha 1 trim
- procharger warranty
- Props
- Turning Point Props ?? Yeh or Ney ??
- Are these heads any good. Casting # 10114158
- Shifting ????'s
- Pop in rebuilt 454
- Upgrade to XZ
- Different Outdrive Ratios 1:5 Or 1:36
- bravo shift cable question
- Mark IV Cylinder Head assemblies
- Merc water pressure relief valve
- Rhodes lifters?
- How do you set ignition timing on a modified motor?
- Drive Shower ???
- Sea water pump?
- Buffing out scratches??????????
- Overheating at idle
- Fuel Bypass Question
- upper drive problems
- stellings header dimensions
- GPS Speedo... Digital or Analog?
- piston markings?
- Bellow replacement --please read-- repair screw job
- rebuilding question
- Small Fuel Tank -Fuel Gauge Problem ?
- B1 not trimming up as far as it should.
- Stainless Marine trim indicators
- More speed out of a 28ft Donzi??
- Ignition question
- Outboards Horspower
- Ultra black on intake manifold or not?
- K+N oil filters????
- Metal on oil drain plug????
- Head work. (Porting, polishing, bowl work) Is it worth it.
- Paging Prop Experts . . .
- Need advice on head and cam selection for a Procharged 502 MPI
- msd, demon,exhaust
- Imco short lower units
- Compression in merc 420's
- Prop's for Alpha's
- Heads questions
- hlep shift cable installation
- heads 269cc or 290cc
- Fuel sending unit
- Loud Exhaust
- 500 EFI Oil Leak
- External Steering for King Cobra
- HP500EFI Base Timing
- Best way to dry out hole in transom
- trailer axles?
- removing the choke horn?
- Valve cover breathers
- Drive/Speed Question: Please read
- 496 HO Mag - Need help!
- Stuck Drive in Trailer Position
- HP500EFI Valve spring question
- Prop Question
- Oil Pressure Gauge off the scale??
- HP500 Blowby
- Reverse Lock valve
- I Don't Trust My Tach.
- Nosecones and rough water?
- First pictures of Rtech Supercooler
- Bravo 1 oil temp?
- Power Trim Problems
- 350 MPI Wiring Diagram
- FuelSender - tube in tube install
- TRS Drive gear oil ?
- 502 EFI Idle air control valve question
- octane booster ?
- Mercury blue paint in stock?
- Need isntallation manual for B&M 174
- Help!! Alpha One Making Noise
- loud hissing from 502 efi
- Oil bath trailer hubs
- Lifter noise and plugging bypass valve
- 540 n/a help (little long)
- Oil spooging out dipstick
- Comp Springs, cam and lifters??
- Broke Alpha Update
- Volvo-Penta 7.4EFI 330hp idles fast?...
- throttle adjustment
- Audio Warning System
- Need long SS bolts
- Vaccum Secondaries
- need guidance super charger or other choices?
- cold 502?
- bravo 1 upgrades ?
- why dose
- BEWARE of Power Marine and Blown1500
- adding oil
- balancing my 502 crate motor
- Exhaust Tip Install - Rubber gasket???
- What else can i do?
- alpha question . . again . .
- Torqe Spec???
- Merc Power Steering DOA?????
- Merc 2.5 EFI Help Needed...
- Salt water, aluminum intake, and 10 yr old manifolds...
- Small Shaft XR Drives
- I QUIT!! (long)
- Zero Effort Shift/Throttle Help Needed
- jetting question alltitude/temp
- vortec super chargers ?
- Servicing injectors 502 EFi - any tips
- Formula 353 Fastech - how fast?
- Power Steering Pump Broke
- prop selection
- Flow Numbers - HP500 EFI 088 Casting?
- Bravo1 vs. Dock Lines Long!
- Through-bolt trim tabs???
- Fed Up !!!!
- How to remove exhaust tips?
- Bad impeller
- a good prop for a pig scarab 28'
- 502 Mag Hi-idle after start
- Rising Water Temp
- flywheel vs flexplate
- I think I have a ground problem.....
- Bravo trim problem
- Transom shower?
- Fuel Tank Check Valve?
- outdrive trim stopped working?
- cooked my exhaust - help!
- oil level rising in 4.3 engine
- Fuel check dip-stick - any suggestions?
- 525SC can't get above 4500 RPM
- OT Expedition headlamp adjust.
- cam size suggestions?
- merlin blocks
- Need Special Allen Wrech Tool
- Hydraulic roller lifters...not happy
- 280 Silencer Engine Hatch (help)
- Prop Diameter-who needs it?
- TRS Oil Line Schematic
- Stock mechanical fuel pumps?
- Spark Problem
- msd 7ml-2
- MSD Spark plug wires
- Fountain 35 Lightning - how fast
- won't rev past 2500 rpm!???
- need clamp on wind defectors 'see pic'
- Black Transom problem