- Major RPM Problems??
- One engine running, one to go
- Easy question- Xover gaskets?
- Prop ???
- More HP = How much more mph????
- Who to buy a drive from?
- Wot Plug Check?
- 502 MPI port engine
- Bravo spacer, what's it for?
- Thunderbolt IV / rev limiting?
- Fuel Tanks
- I need engine and drive help
- how much hp can ssmV drive can handle?
- Gaffrig Drive Temp Indicator Install??
- Carb Question
- ?? for 1 boatnut..
- Whipplecharged motor won't start
- Better coil for Merc TB IV?
- Where is Wette vette?
- Cracked prop tip
- Hydro to Bravo prop conversion
- Starting problems
- Dyno Differences
- Silent choice closing by itself
- How long are your fuel lines ?
- EFI Vapor Lock
- Fuel system on a Blower Motor
- rpm's different on motors
- Oil temp rising on port engine?
- Mercury Warranty
- Trim pump replacement on Merc 115 O/B
- Gil manifolds on ebay???
- Speedo tube won't stay on?
- Riser gaskets???
- Trim pump Solenoids
- Rebuild + Oil Pressure?
- 4 Blade Propeller
- what kind of batteries
- MBAM, got some ?????
- Gas guage not working?
- cat conversion from I/O to OB
- K-Plane Cable
- HP500 Intervals
- 20 Hour Service
- Hypothetical 383in SBC engine....
- Fuel line question
- Trim Tab Unit Leaking...
- Help with shifter problems !
- Attn: GregP Oil filter bypass issue
- free 330 pistons
- Blower Motor Noise
- vibrations-hp500
- Questions about different Bravo's?
- Need a new bow mount for my trailer?
- 7.4 intake upgrade
- Help....Blower Motors
- Re-Prop: Who's a good brand to go with?
- ez 2 or 3 mph extra???
- electrical questions
- Transom Leak.....
- ABYC Wiring Color codes
- Boost Gauge w/Procharger?
- Blower belt questions
- distributor change
- Water temp runs 15 degrees high
- Looking for lower half
- dash gauge light colors
- Left my lower unit @ bottom of lake!
- Bruce - not a happy story
- Where did my oil pressure go ?
- Bravo HELP! Lost forward today.
- new engines
- Power Steering
- ARP Studs
- Whipple problems
- Need prop help
- 4.3 engine wanted!
- Does this mean my motor mount is shot?
- Stand off box or extension box
- The "MILK" continues
- Anchor Shades
- Oil filters.....bypass or no bypass???
- Lots of steam from gil wet exhaust
- is there a 4 blade with more bow lift than a bravo1?
- Who labs props in Chicago
- Corsa Silent Choice
- Spark Plugs
- GM engine oil supplement (EOS) anyone use it?
- How do you get engine hatch open with no power?
- Supercharging the 500 EFI and the 454/502 MPI.
- Procharger service
- Anyone changed a flywheel in the boat?
- NOS question
- Cam springs
- Urgent - 350 timing input needed
- What do I set my timing to?
- OSO member "JSV" - drop me a line please
- cam?
- 454 ProCharger piston holes
- 500EFI General Manitenance
- Hi lift cams and silent choice??
- Oil Pressure to low?
- ??mrd Engines??
- bent prop shaft on bravo 1
- One piece Gil riser with silent choice
- Oils - again
- Blowing out my dip stick?
- Merc Plug wires
- Leaky Breathers
- Throttle-Up
- Cam specs
- 650HP Small Block!
- Cracked Head or Block?????
- whipple fuel pump question
- HP 500 valve springs
- 496 HO Procharger
- Oil Pressure Guage Malfuntion?
- Oil flow/temp issue I'm having. Need some help....
- Hydromotive to a Bravo1-What to do?
- kooks SC drive thread ?
- what causes a knocking sound?
- prop question
- Truck tires and load ratings???
- Just replaced 4 trailer tires
- 496HO oil drain hose location
- Why is the camshaft breaking?
- I Need Head!!!!
- 500efi intervals
- 1:36 vs 1:50.. Top speed???
- Re-powering
- Just a quick jetting question.
- Oil Filters??
- ecm question
- SBC Centerbolt Heads/Roller Rockers?
- Getting fresh air into engine compartment.
- Best place to install a oil temp gauge?
- trouble with 7.4 mpi
- Gafrig/Livorsi..What a Rip-off!!
- Bravo 1 trim unit problem.
- Exhaust leak! How Many$$$$
- Problems with 500hp HELP PLEASE!!!
- Bravo Trim Indicators
- Success Story
- Got Milk?....yes I got Milk!
- prop question
- TomZ - How do you like the XE274 Cam?
- Water Temp Sending Unit Number?
- Leaking drive fluid into bilge...
- Good DAY ???? need advice??
- Need advice on Manning Trailer Brakes
- Want to trade pair of 28P Bravo 1 for pair of 26P Bravo 1 propellers
- How much $ for a rebuilt 7.4/454 merc.?
- Water Impellers
- Sea/Fuel Pump Pulley Question
- Broken Stud????
- Propshaft Dyno II
- Raw fuel odor with fuel from exhaust noticed in water
- Torque # for risers??
- replacing wood floors
- Corsa Silent Choice Mufflers
- Gil exhaust = water reversion
- Leaking Bravo
- Whipple install ?'s
- Best Timing
- question for those who've installed drives
- What RPM @ Idle
- Solid Prop Hub
- Best oil in Insta-Trim
- Promax 300X vs Promax 300
- Hydrolic fluid for K-Planes
- #6 Dry Sump service?
- What oil coolers?
- Water in Oil - Risers question
- Bennett Tab Control ????
- Fluid capacity of B/W trans
- Whisteling Noise from Carb
- Spare prop mounts
- SBC Abuse?
- Sealing cylinder head bolts
- Whipple fuel pressure gauge location?
- Timing jumped?
- lash caps?
- Correct spark plug gap?
- oil thermostats?????
- 89 Bravo oil reservoir leaks
- 95-97 502 Mpi
- Water in my cylinders from rain
- Low speedometer readings........
- Merc distributor system question
- wanted.. hi-perf ex manifolds for 502
- engine mount dimensions
- Propeller vents?
- Prop Selection for Chris Craft Stiner 260
- power steering pump
- oil thermostat not helping
- Revolution 4 Prop
- help! 500efi conversion
- 383 carb choice
- Imco steering/drive showers
- 496 Mag HO Oil Filter
- remote battery terminals
- Hp 500 Efi
- Fel-Pro part # needed
- As the project turns -- few pics
- 383 "stumble"
- Water Flow Restrictors ??
- Anyone in the DC area with a 21 Mirage or Mirage + I can try or buy??
- Looking for a 2.5 mid section
- Oil Pumps--which brand to use?
- Flame Arrestor
- Prop and x-dimension
- Tranny fluid smell
- short runner VS> long runners(Who's right
- Pvc
- What is proper break in???
- NEW 502 problems, help.
- oil temp gauges
- Technical assistance PLEASE!
- Ignition module mounting
- Loose steering (excessive play in wheel)
- Gas tank reserve
- Problem Fixed, Guess what it was?
- HYD. valva adjustment
- Need TRS Parts
- Missing 502MPI
- Props 14.5 X 37 Cut you rpm
- 454 thermostat missing
- 502 MPI Upgrades
- Thrust washer for Hydro prop on XR shaft
- Temporarily plugging cavitation hole
- engine dies after running hard
- Water in oil pls help(long)
- RH or LH ???
- k&n ??
- Flex-plate????
- Spark plug heat range and effects on performance?
- exploded 454
- Break In on New 500 EFI's
- water pumps
- Mark 4 engine gurus RE oil leak, opinions needed
- Riser measurements
- closed cooling on HP500EFI????
- Preheating Water Through Imco Powerflow Exhaust
- Sort of OT Oil filter question.....
- K Plane pins?
- Carb Help? Opinions appreciated
- Oil Filter applications for 502 & 496
- K-Plane Sender Fix
- merc t-bolt IV wiring
- Big prop shaft