View Full Version : General Q & A
- 502 Water pump impellar?
- OK Time to prop this boat, Help.
- motor change - what works?
- Flame Arrestors
- Low {er} oil pressure ?
- Speedo Pickup?? Which ones last?
- wet exhaust tubing
- Blowers and Thermostats
- "HOW TO" adjust EFI IAC & TPS -Interested???
- speaker ???'s
- M3 or M4 carbed procharger needed
- prop question
- Kiekhaefer Controls Safety Switch
- Water temp freeks out???
- Speaker Grill Madness
- Fresh Water Pump
- replacing floor in a cat.
- EGT with Prochargers/Whipples
- Alignment Tool-Where to buy?
- 496 Sea Water Pump
- adding mph = frustration
- Thanks bobby danials
- Rev limiter suggestions for T-bolt 4?
- Hole in thermostat??
- Small block Ford performance exhaust manifold
- Kamma-Lost a prop blade? Need advice
- 502 Heat Exchanger End cap blown off,help.
- What's wrong with my boat?
- Bound up shift linkage
- Break in for rebuilt motors?
- I need your opinion on gimble repairs
- Muff's for Bravo 1 low water pick up?
- Anybody HAve any alpha intake grilles laying around?
- Wrong oil pressure sender?? Gaffrig gauge...
- Carb trouble
- MSD wire harness?
- went from a 22 Velocity(fast&nimble) to a 26 Velocity (slow&lazy
- Still leakin oil!!!
- Tailstock/engine allignment question?
- Looking for exploded diagram on Mercuiserparts .com????
- Water Injection ,,good Kits
- Bravo 1 tech question
- Bravo 1 tech question
- IMCO Shortie on a 29 Fountain
- Attn: Moderator - need to post a picture
- bravo 1contra rotation
- Valve Covers for 1071 blowers
- Cat Cranks??
- internal exhaust flappers?
- depth gauge works 1 min. goes to 1.5 and stays there?
- Deep sounder
- What Brand Supercharger?
- Speedometer pitot mounting location.
- Refilling compass.
- square bore holly on spread bore intake?
- Adjusting Valves
- steering parts
- 496 wot miss-update, solved! Thanks Dixie Doug.
- Tuning a Holley 800 mech sec
- Reading an Advance timing light.
- high water pressure
- hydraulic bolsters not working,,
- Distributor won`t advance.
- water cirrculating pump drive question?
- Donzi Z21 What Prop??
- 87 Baja Force 280 Which Prop and What RPM.
- 496 on a budget?
- Tabs on Cats
- Looking for Yamaha OB dealer or parts website in North Jersey
- Shop in mid-west .. need whipple work.
- K&N filter and Jetting etc.
- Oliver parabolic rods?
- Black Soot
- exhaust help
- Oil an water mixing in 502/502 gm BB
- Vibration when in gear
- Water Pump Runs - No water comes out of Sink??
- Changing spark plugs and wires?
- Twin Promax 300 - how close?
- Scarab 1
- My boat is taking on water
- Carpet?????? Where to find
- 502.... max rpms?
- Oppinions please! Changing CG of boat while underway?
- Fuel Pump??
- Timming Help on 7.4L 330
- Truck people, braking question
- Air Compressor question
- how to set drive toe in/toe out?
- Weber Crabs Again
- Stroker pans.
- HELP,engine hoist?
- Break in on new Bravo XZ?
- Bravo 1 vs Bravo X
- Gauges...weird..weird
- SSM IV vs. SSM V ?
- Drive shaft questions
- Trim Switch help??
- 502 MPI Quiz question!
- Merc Plastic Dip sticks?
- prop question bravo1 vs mirage plus?
- how to tell alpha gen 1 from gen 2
- formula for calculating valve overlap?
- Engine size vs reversion.
- How can you tell Kevlar from fiberglass
- Bravo 1 Upper Value
- How long (Chain on Anchor)
- Need advice on buying a cam for my 454 mercruiser
- Motor never warms up. Advice wanted
- Evercoat gelcoat repare
- Bad 6AL Box??
- Need Help
- 496 under water !!!
- GD Seal!!!!
- How to add fluid to Gaffrig Monster liquid speedo
- Vacumn over hydraulic brakes
- Thanks OSO folks for the Tech Advice on the Quad Rotor - **VIDEO **
- Holley Electric Chokes
- need help from the pros / lifter hight V's valve geometry
- trs exhaust diverters
- Help... Raw water pump leak
- seized lifter , Why
- Corrosion Protection
- 100 mph or bust it
- sticking silent choice
- Trimming Twin Engines?
- Comp Extreme Roller Info
- Oil pressure sensor locations
- I bought a 1/2" spacer for my drive
- Dennis Moore?? Where are you!!
- Engine Clatter\Tapping Port on 350 Mercruiser??
- How much drive oil?
- Question about drive rotation and friction
- Engine Mounting Bolts?
- Bottom paint? yes or no
- Dist Cap for a Merc HP425
- holley carb adjustment
- Prop Question, diameter & pitch...
- What should timing be set at on a 84 330 Mercruiser
- Cam selection
- Imco Vertical shafts
- Roca Speed rails & what it will take to see 80 mph
- Holley help
- plugging old exhaust holes??
- blown 520 idea...need roller cam advice
- Holley Alcohol Jets?
- trs ?
- Peak Power on 330 Mercruiser
- Do I need Drive Showers on TRS
- SBC head choice
- HP500EFI running rich?
- 496 Mag HO water circ. problem
- Trs question
- Best Bravo Drives
- Removing thermostats on carburated Mercury Outboard
- Warning Buzzers
- Help with Accelerator Pump Cam
- New 500 Efi Throttle Body Upgrade
- Prop Help PLease!
- Trim Information
- Question on exhaust flappers?
- New Valvoline "Not streer legal" synth. oil
- multiple batteries???
- Advice needed on Cam and Silent Choice
- Aluminum Body Holley 750's
- Borg Warner Velvet Drive Problem
- Help..Oil Cooler Question
- Bravo1 Lower Unit - Torque Spec
- Where do I mount depthfinder?
- Relocating Drive Fill Bottles
- When will boost change
- Removing Vinyl Graphics
- 1st trip = tow Kinda Long sorry...
- Thanks Birdog (why OSO works)
- Oil Pressure ????
- My Dilema
- 454 mAG efi TWINS-ecm OR efi PROBLEM??
- EMI manifolds on 310 efi
- Corsa Solenoids
- burning clutches?
- New prop - different thrust washer ?
- Th OD quit in my 700r4 D is ok should I care
- Where to locate the stock water temp & pres. senders in 502MPI?
- Help, 500HP Carb Ignition Module needed
- gimble bearing
- Time to decide on which oil to run this year
- King Demon Carbs.
- Oil Leak From Hell...
- Trailor Brakes/Box in truck
- Boat upkeep
- "92" Webber carb? 7.4
- 500EFI runs then stops
- Twin Disc Transmission
- Best Oil Filters??
- Riser to tailpipe drop length?
- Mercruiser dual battery hookup recommendations
- Why no supercharged diesels
- distributor gear selection/material
- Bravo Input Shaft Seal Change
- '98 454 Mag MPI - Roller Rocker install
- wet sanding question
- bolt on timing pointer for 8in. damper?
- Need some Help with a Leaky Bearing Seal
- more power!!
- Milky Oil....bad riser seals?
- Follow up to Water in oil, now silver specks
- Help!! Better flowing heads and a better intake and less speed!!
- quick alpha question
- Help needed wiring in MSD 6AL boxes
- Best Place to Buy CMI's
- Looking for Mercruiser carb. paint
- 21ft scarab porpoising
- hi-temp on engine
- B&M efi hat
- Wiring question?
- Which gear oil for Kaama drives?
- Motor will not turn over
- alpha gear ratio ?
- Exhaust Help
- Larger Shooter or Bigger Cam which first
- Gaffrig Monster Tach Light Bulb????
- hp 500 mph-prop
- What is the best way to check plugs?
- Using Holley on SBC
- Drew Shotgun Silencer Users!
- Leaky pully bearing on my Whipple
- gas quality for initial start up?
- ignition timing for initial start up?
- Initial Start-up on hose
- Float Level Adjustment Holly 1050
- Need Help, Bent Intake Valve, Why
- Too Much Advance?
- alpha drive question( please help)
- Back fires and Stumbles
- Exhaust....
- flowscan or another fuel monitoring system
- upholstery question
- My Motors PART 2
- msd 6al box, tach don't work!!!!
- msd 6al box, tack don't work!!!!
- pro-charger carb box question
- 4.3/Alpha help?
- Marine Air Conditioning Problem?
- York Propeller
- Intake and carb setup on a 502?
- Fuel Pump
- 2much exhaust heat! what does it mean?
- Starting problems
- closed cooling
- Cam Break in ??? Need some advice