- Screw in rocker studs with Heads in place?
- 350hp wants more horse power
- k-plane pump
- attn dennis moore...sbc question
- Nordskog GPS Speedometer
- Zz 502 Pistons
- Telescoping Ladder
- Merc u joint bellows
- K&N oil filters, Any good?
- general matainence
- Shadow cat
- Stellings Ext. box carriage bearing.
- Master Lube Preoiler
- What is right X dimension
- cleaning alumium heads
- Once again 454/330 mods.
- Sun Pad
- 1999 7.4 310 hp to a 2003 Vortech 496 425 hp
- 496
- Help with RPM
- Winterize
- Need flusher for Sportmaster
- 12" Stelling Ext Box for Bravo 1
- shorepower all winter
- Sea Strainres & Water Temps
- Change to Synthetic Oil. Have questions
- Teague Valve Covers
- Opinions on Headers Wanted
- Trim tab question...top end loss????
- Best Mods for Baja Hammer w/454
- XR Gear Failure
- Best way to evaluate motor with unknown history
- salt vs fresh, speeds
- Oil and PS coolers
- Kevlar VS Fiberglass
- need 1999 35 fountain info
- 525EFI vs. Vortec Hp3
- Stripping paint
- Mismatched engines (heads)
- wwwTOPDJcom
- Holley 4BBL Adjustment
- Gel coat repair
- 4/7 swap
- Does Mobil 1 Oil filter have anti drainback valve?
- Seebold Radar Gun on Ebay!
- 500EFI Oil Filter????
- salt water
- Cam Dynamics Question....
- Edelbrock heads
- exhaust...preventing water from entering?
- Cam driven water pumps and engine temp?
- Need a 496???
- what's a decent piston for blower application
- Closed cooling heat exchanger formula???
- Normal water temp on 350 260HP?
- Max RPM for 350 MPI? Safe
- Hydraulic roller cams: RPM
- Help Finding Engine Hatch Air Intake Louvers
- EFI Powerpacks?
- what sould a 1987 scarab III 34 ft weigh ?
- Engine Oil Temp
- New paint job advice
- H- beam connecting rod weight
- hydraulic assist steering problem
- Top Gun Wiring Diagrams Needed
- 572 buildup questions (long)
- 454 Mag / Bravo 1 vibration
- HP500 oil stat ?
- Hp500rpm
- Best carb Holley or Quadrajet???
- Sucked up plastic bag in one of my low water pick-ups, Help!
- Deadrise 21 degrees vs 24 degrees?
- cam degreeing?
- do i need special bearings for roller cam?
- Darin/Houston Prop - What's this?
- Seawater pump impeller orientation 454 MAG MPI
- Wanted: Boat for magazine article - Supercharger install
- Gauges
- 350 vs. 350 Mag mpi...just swapped...now prop?
- SEMA Show Photos
- 350 to 454 conversion
- 600SC Cam Spec's
- Engine alignment tool
- Deep-V Hull Suggestion 100+
- extension box+stern jack
- Weiand Blower Question
- Head Gasket In HP500EFI Casues Failure?
- Looking For Blown Formula
- Looking for a skeg guard and trim switch
- houston prop
- Head Games-AFR
- Rotary Guide steering
- pushrod problem + cylinder head bolt problem
- Re-Wiring Gauges
- It's all in the TIMING.....
- Have somebodey built own bolster??
- What kind of trim tabs?
- whathappens if i put hi-lift springs to a low lift cam
- HP500 and hp500efi
- pushrods bb-chevy
- any idea what is fair?
- Convert XR dual pickup to just lower…..
- Spark Arrestor Clearance Issue
- Aeromotive belt driven fuel pump
- steering parts ?
- Old sbc ignition control module
- North Stat boat engine
- Need more air??
- Fuel pumps: elect. or mech.?
- When to change Inline Fuel Filter
- az speed and marine 502 efi cam set ups ?
- 1998 502 efi cam?
- How fast is a 96' 22 Scarab with 502/415hp?
- MK4 to MK6
- 33' fountain twins?
- cam's
- Prop Rotation, Hook and a Panther
- Dart Iron Eagle Heads & Plugs
- 2 piece timing cover
- water cross over
- SSM Prop interchange
- Changing drums to disc braks???
- How to pull a motor?
- Dry Headers on a Bravo setup.
- Labbed Mirage
- 100 hr Service
- quick one, torque
- Procharger
- 00 hp 500 valve springs
- Cam timing
- cast parts and blowers?
- Blackhawk Drive Pros & Cons
- looking for hi-perf couplings
- OIL Breather's
- Zz 572
- bore size?
- 500 EFI's with 250 Hours
- Rebuilding Velvet Drive's
- Hook in Bottom of Outlaw
- FYI,Houston Prop
- Reversion
- latham steering
- Fords new alloy 5.4 engine
- which dipstick & tube
- Bravo drive replacement/upgrade question. Help Please.
- az speed and marine 8.1 l engine ?
- Can you mix Synthetic out drive oil
- Prop rotation again
- Vortec heads
- Need Single Plane Intakes!!
- Merlin 310 vs. GM square port
- Help, broken gimbal, now blown drive.
- Best place to buy inconnel valves
- 525 EFI vs. 575SCi
- How to Idle Down a Blown 454 To limit Outdrive Gear Stress and Turn Large Prop
- Blower trivia
- OT GM mechanics ? Venture van
- single or dual plane EFI
- Holley Red Fuel Pump
- 28 cig the search goes on.
- Whats a used 575sc kit worth?
- Mark IV 330hp
- Boat not stable with new motor at top speed
- How can you tell the difference between (large shaft)#4's and #5's?
- nose cones
- Carbon Fiber Top Gun
- Throttle position
- Engines- "The Sonic Project"
- Gear ratios
- Once again a valve train question on the 500 EFI'S
- Calling the stepped hull gods
- what valves are these?
- Recalibrating MEFIs
- Leaking steering cylinder?
- K-Plane question
- How Do you Plum your Intercooler?
- GPS Question
- 1998 454EFI Throttlebody butterfly opening??
- Prop change?
- Single or Dual plane intake manifold?
- Bravo 1 broke
- Improving 500 EFI heads?
- Fogging MPI engines with cool fuel
- Can I spray soapy water on my 502 ?
- B&M 174 bolts
- NICKED UP? FIX IT UP!
- 1993 502 Mag?? What would you do?
- Looking for more Horsepower, try this...
- 2000 hp 500s
- Alternator output
- Fuel Pressure (Carbed motor) ??
- trailer brakes
- 454 Whats it??
- new exhaust,now more water pressure
- 500hp high fuel pressure
- steering adjustment
- Scarab KV - need some help
- Bad compression
- CD vs Induction Ignition
- m&m steering
- Battery connection reversed
- Hydraulic Steering's in but . . . .
- Oil pressure senders
- Tab question
- 28 Daytona at Lightning Bay Marine
- No water out of CMI header!
- Big block losing oil into water jacket?
- What are the best oil coolers?
- HPI Muffler results 500HP
- 500EFI Modification's
- 454 mag build up
- solid, roller or hydraulic?
- Priming oil system question
- Oil pressure difference
- Winterization Question
- Need help, oil analysis?
- Heat blew my engine
- oem service bulletin
- New Ignition System
- Can we add Superchargers?
- What carb ?
- outboard ecu programming/chip tuning
- MYCO Trailer brakes problem?
- Exhaust manifolds for 502
- ammeters
- Donzi 22 Classic Performance
- YIKES! Waddya think?
- sea water pump leak
- Rev Limiter shopping again, need suggestions
- New paint questions?
- Who's got the best 28' Cat
- Oil in a B & M blower 525 hawk engine
- Trim Switch Replacement
- What type of gasket do I use for Merlin heads ?
- 509 dyno results
- Arizona Speed / CMI Exhaust
- need different props?
- Fuel pick up 1/2" or 3/8", does it really make a diff.?
- Wet Transom and other gotcha's
- B1 drive trim problem
- Loosing RPM's HELP!!
- Procharger and Whipple Stage 2 MAP Problem
- WINTERIZING - the full way!
- H.O. Winterizing ?
- 502 Efi - need for more speed
- Any tips on doing engine alignments?
- Mercury computor readers / modifiers
- Leakdown tests?
- Got Milk Again.....
- HP engine mounts
- Broken propshaft
- bravo 1 drive refinishing ?
- merc sea pump/fuel pump
- Aeromotive feul pump ???
- Maximum Cruise RPM for 496 Mag HO?
- 454 Problem - Advise?
- How to winterize A/C?
- lost 350rpm and 4mph
- Rich Condition at idle
- 540 Attack Dog ??
- No Water pressure to sink
- Stainless Marine Hi-Torque III
- 28 Skater dashboards
- How long will aluminum heads and intake last in freshwater?
- Ignition w/a B&M 174
- 455 Buick
- Merc. 575
- Outdrive inspection
- Dual Bravo Drive Temp Gauge?
- By-passing water around tailpipes?
- Engine identification
- Merc. 800 SC
- BBC valve cover spacers...
- Sea Strainer Mounting
- Bogging down engine, need help
- 427 Tall Deck Block
- System1 Oil Filters
- Procharger/ R-Tech Supercooler
- 8.1 vortec motor
- Help?? Weird sticking valve problem!
- props
- need new prop have more hp
- New Ridgid cordless tools at home depot
- oil pumps
- Prop for hole shot
- monoblade throttle body
- Electric fuel pressure
- pressure/leak test headers
- Trim Cylinder Rebuild
- Tapered wrist pins??
- Boat painting
- 540 Bulldog
- John B
- where can i get aspeed master IIII repaired ?
- Pitch Drop going to 5 Blades
- 500HP Reliablity & Time Untill Re-Build...
- Total Seal Rings / Pros and Cons
- Rebuilding Speedmaster 6's (question)
- Boat Almost Sunk - POS Fitting!
- 350 magnum?
- Convert 496Mag to 496Ho
- Dennis Moore, John B, and the HP500 EFI
- Blown 502MPI Makes 1000 HP?
- Trim Tab Switches on Shifter
- drive spacers
- What is a 454 worth?
- Low or no oil pressure
- More HP Needed
- pitot tube
- Tuning baselines for BG stage 3 carbs and 575hp chevys
- 525efi
- New fuel tanks, now motors will not go past 4500rpm
- Can you put bushings in Dominator throttle shafts?
- Pushrod Guide Plates
- Broke a 575 SCi
- Engine Cover Lifts
- throttle lever extention kit?
- winterizing your cigeratte
- New project officially begins now!!
- Intercooler Repair
- HPI mufflers-any trails yet?
- Cam for HP3
- Tailpipe Question ???
- Formula Amp location
- Truck Brakes gone!!!
- 489 Cam Selection
- roller cams, adjusting
- Merc 525sc???
- Long crank time for starting?
- Blue impellers
- old 4.3 to new 350mpi swap
- Sterling Engines/Lifter oiler bar/Spring oiler bar
- Octain booster, need better fuel for return trip to states
- Best Heads for 509 MPI with 236/244 crane cam
- O/T truck oil/trans temp sensors
- Dollies???
- If your ingintio module overides timing adjustments?
- 502 Pistons
- Help! More Speed - Same Reliability
- Checking valve springs
- Engine overheating at high speed
- Whats the best cam for my engines?
- Fram or AC oil filter #, '99 502MPI
- New Motor Options
- Removing 3M 5200 may be possible
- Can I lower my peak power rpm with a 4 hole spacer?
- Houston Prop Thumbs Up
- Courtesy lights
- Shorter good breathing flame arrestors??
- Cam Change for my 406?
- Oil cooler recomendations
- 575 SC tweaking??
- BBC Head Casting #'s
- 406 Stoker with missfire
- Another TRS topic
- Question for Dennis Moore...
- Has anybody had success procharging a 7.4L MPI?
- Is this head repairable?
- What's the supposed advantage of 5 blade props?
- speed upgrdes
- Surprising results on Merc exhaust
- Drive lowers itself - while sitting??
- 2950 PSI = x HP?
- Compresion and HP. What are the relation?
- Help Bravo Drive Stand?
- Mercury engineering problems!
- 500efi troubles
- question for dennis moore?
- Latham Steering Fittings Split?!!!
- Show me your Nose cones....
- Polyester gelcoat on epoxy
- Faria Gauges - FOGGING
- mark IV 502 cu.in. bore?
- Most rliable Mercury racing?
- HELP! - Warranty Info Needed
- Bad Valves???
- lifter failer
- what cam is this
- Electric fuel pumps - HP500 carb motors
- Low Oil Pressure
- Idle speed and reversion
- Bigger Power
- 2.5 efi offshore race powerheads
- Oil on center plugs on 500 EFI?
- HP 500 carb + Gill + Silent Choice = Reversion?
- anyone try an extension box on a88 28' scarab
- Question about reversion and superchargers
- what is the cubes of this moter ?
- v-hull or cat?
- leak at transom plate
- Help Helpppp Need Motor Mounts
- Fuel pumps
- Engine Oil drain kits
- Pitted Intake Valves and Seats
- Is there something wrong?
- where is the 500$ hydraulic steering thread?
- chip for Powerstroke??
- 6.2L performance mods...again.
- Test on labbed sportmaster!
- HP500 Crane 169611
- Question on crash boxes
- Camshaft and reversion?
- What is the 454 LXI?
- Blowing outdrives - Why???
- HP 500 with 256 blowers
- 502 mpi head upgrades
- XR top cap- is it billet/stout?
- xz lower
- Imco upper shaft
- Extension Boxes??
- What did I do? (Carb adjustment) Long..
- stingray hydrofiol
- ECM reading with a PC ??? can it work ??
- 7.4MPI Hop-Ups
- 400 Sbc
- Perma Cool Oil T-Stats?
- Tomcat-bypass Valve ?
- Can or how can you tell drive ratio on boat
- Keith Eckert aluminum headers
- I need cabin door parts
- Rtech supercooler pictures
- Jesel vs Crane
- Y Pipe Fix - 454 Mag MPI/Bravo 1
- Hp 500
- Damaged skeg question.
- repower: 496 HO or 502 Mag
- Building a bigger bulldog
- what should the compression be?
- HP 500 Carb Jetting
- Big Block Vortec heads airflow data...?
- blower on a stock 502 mag. ???
- 496ho
- Trim pump reservoir
- Crane Hi-6 rev limiter question
- Drive Alignment
- speedometer
- Speedmaster props Small to Large spline
- Blower Motor suggestions
- removing throttles and shifters?
- prop nut torque
- broken engine
- Merc Outboard Warranty
- arctic cat sled heads needed...
- Low or no oil pressure
- Speeds salt vs fresh water (v bottom)?
- Milky drive oil
- scarabIII named in excess
- Gen. V 420
- gimble bearing alinement
- Converting exhaust riser cooling to jumper hose style.
- Imco vs. CMI vs. Eddie Marine
- How much power will I need to go 80?
- Whay I Couldn't Get RPMS !?
- new moter
- 160 psi is what compression ratio
- Elavation this matters
- 502 Mag (Carb.) concerns or upgrades?
- props
- HP increase?
- Spark Plugs
- Rtech supercharging system update
- Who is Von Schlick???
- Steam from breathers?
- kill switches
- iBlonde needs help!
- scarabeman34 would like to talk to you in chat room
- Ever heard of a RIO???
- Help me find right Propp to my Pantera 24
- Help me find right propp
- Volvo DPX "E" series props
- compression johnson 185 hp
- horsepower
- performance exhaust manifold SBC
- Best Bravo Upgrade Parts?
- Which Drive:XZ or XR?
- Switch from Holley to Q-jet with adapter
- baja
- Im Confused
- Valve Train, GM vs. Aftermarket
- Lost RPM
- Engine RPM
- Which Intake Should I Use
- Flaps in Exhaust Y-pipe
- What paint to use
- What does it take to replace TRS drives?
- Motor mounting for SSM V
- Drive shift cable adjustment
- best boat?
- Cam specs for Merc 525 EFI?
- Wich Igniton System to Use
- 50% increase in prices on the parts I need. anyone have these?
- Gen VI - starter motor bolt pattern ?
- K-Plane resevoir milkshake
- Oil Temp. question
- Broken housing on lower unit
- Best place to buy stainless hydraulic (trim) hoses?
- Drive/HP question
- How high above the water line should your exhaust be?
- Dart Intake height
- Best Oil Coolers