View Full Version : General Q & A
- What is the difference betewen the Melling 10777 and 10778 oil pumps
- Cab Forward Cat
- Motor surging above 3200 rpms
- 5000 on 7.4
- TCM Merlin 509 Issues
- carb jetting
- water temp drops coming off plane??
- Fuel too old?
- Looks like I am screwed this time (transom)
- coolers
- Valve covers
- Too much boring? Bad heads? Overheating....
- Adjusting Gaffrig Mechanical Indicators
- Leaving boat in salt water ?
- Dyno VS. real world carb
- Best Distributor to use
- Isky Cams Phone #
- Isky Cams Phone #
- Time to replace shifter cables. What brand should I go with or are they the same?
- Replacing Guages
- How screwed am I?
- Turned engine off when in gear
- Bolster seat problem
- 525 question
- carb idle tuning: neutral or in gear?
- Dock and Gas dock girls tipping?
- Speedmaster III or IIIA
- formula
- Bravo ZX or XR ?
- TRS Drive leaking oil in the water...help??
- Yahoo - did you get to the TOPPS run?
- 496 whipple rebiuld upgrade
- Water flow through transom pickups
- Engine weight
- Rub Rail, can I do it myself?
- Bracket to move power steering pump?
- Steamy Exhaust
- 500hp opperating #
- compession?
- How Much HP??
- Broken hatch need help?
- Lake Travis Anchoring
- First Look at Dyno's 330's on roids!
- Chugging sound coming from harmonic balancer and pulley??
- Exhaust riser getting very hot????
- Bravo to X
- Mufflers for 496 HO!Please Help!
- Any news on shiftable Konrad drive?
- Oil Pump Pickup length for 454 magnum
- noticeable idle
- converting alpha to bravo 1
- Oil cooler to filter instead of Filter to oil cooler?
- Merc Y pipe help
- Need Urgent Auto A/C Help
- why am i blowing clutches
- Why do I keep tearing up props?
- TRS shifting question?
- Once and for all, WTF?
- Mesa Racing Engines Latest Project
- Donzi ZXO
- Replacing Carpet?
- How do you set Bravo gear lash
- multiple scum lines on one side of my boat?
- 525 sc power curves
- Gear ration 1.35 vs 1.50
- vent holes
- How much hook should I add to a porpoising 28' cruiser?
- Depth Gauge Transducer Mounting?
- 454 Mag eng HP/Torgue peak Info Needed
- Holy Mother of Maintenance....
- Anyone using these??
- Boat on Ebay... can I link here??
- For you - a list of oil filters for Mercruisers
- TECH-HELP - Coolant Thermostat on 588 Merlin Big-Block
- Can someone calculate my hp?
- WANTED - Engine Thermostat on 588 Merlin Big-Block
- Flush mount air vent fitting, where to buy??
- How much $$ to reskin your seats and new carpet?
- high oil pressure at idle
- Merc Serial Number ID?
- another outing...another challenge
- Need more Horses from SBC
- Raw water pickup depth
- Has anyone juiced up a Mando alternator?
- 525 Efi Wipple
- electrical wires from the controls?
- New Distributor
- HP500 Carbs - blown plug and problem in bottom end at 171 hours?
- '90 7.4L flame arrestor upgrade
- what drive shower for bravo 1
- #6 Drive Rebuild Recommendations
- Anybody installed Gaffrig billet flame arrestors on a 502 MPI?
- bad cam, lifter, and push rod
- Hydro-Hoist Hoses
- Anyone know a Sea Doo tech site?
- Can side exhaust mufflers be replaced with tips?
- Finally Need Break In Advice
- looking, bravo 24 or labbed 26 or 1.50 gears
- bluewater guage cable
- decible levels
- 500efi w/Vortech SC's...pro's/con's
- 496ci .030" over
- Why is my boat slowing down??
- 454 mag db readings?
- Frozen Trailer Brakes
- 7.4 MPI overheating....HELP!!!!
- When to run a cleaver?
- Bravo 1 shifting problems.
- Stellings ID info...?
- Sterndrive Engineering Alpha drives
- overheating problem
- Last question, Is 750 Sea Demon to small for 496
- Level of effort - adding trim-on-throttle
- Bravo Outdrive cases. How much are they worth used.
- how to cut a perfect 4 5/8 hole for a gauge?
- thermostat housing
- help with piston numbers
- Advise, Is This Cam To Big?
- Negative battery cable connection ?
- Drive/coupler noise
- 454 Serpentine belt
- Jumpstar a marine battery??
- 496 width
- Oil pressure sender location
- scorpions turn 4,000 instread of 5,200 RPM
- HP500carb. and Bravo X
- What's your opinion?
- Hot water temp
- carb recommendation
- Adding Transmission fluid?
- Need a Clarion Remote
- Help with Eickert tail pipes
- Oil Lbs question
- Merc 7,4L MPI -99, more horsepower needed
- CRT trim blows breakers.. help!
- hydraulic steering = chinewalk?!
- How to put a new impeller in Raw Water Pump??
- Mercruiser Magnum 350 Project
- sea water pumps ?
- Milkshake oil!!!!!!!!!!!!!!!!!!!!!!!!
- 496HO PCM Reprgramming???
- Blower motor dry sump belt gaurd
- 502MPI rev limit??
- Down Again
- Solid Powerboats
- power steering fluid:what to use?
- Oil In Bilge
- Amp & Speaker wiring question
- best price on a 502?
- Fountain Lightning
- Mufflers!
- Ok, Build me a bullet proof Bravo XR upper
- ePaint White Bottom Paint--www.ePaint.net
- cam for 454 mag
- Alpha Conversion
- Piston oilers
- FREE!! Valvoline SYNPOWER Oil treatment
- I am stroked, 6.135 or 6.385 ROD ???
- Procharger Head needed
- External Belt Driven Fuel Pumps, why is it...................????
- How to grease Bravo drive?
- Desktop Dyno
- fiberglass windshield for scarab 26
- want to buy: 1:1 BW 72c or case/planetary
- What Is The Best Bravo Drive Coller?
- fiberglass windshield for scarab 26
- cam shafts for a HP 500 EFI, need help fast
- excessive exhuast steam
- a-z prop
- paging wags (AFR head info wanted)
- Sea strainer gasket
- Chevy V-8 casting numbers
- Help! I am geting water up the tail pipes
- Hard shifting
- Boost Cooler?
- Capping Y pipe
- 454mag to 496 volvo
- LS 1 BATBOAT PROJECT by Mesa
- ITS plumbing question
- Back firing thru plemium on 500 efi??
- Do I have a problem??
- Can I use a 454 H.O. crate engine with out any changes?
- Serial # again...
- Crane Rockers
- Amsoil Marine gear lube
- Blower troubles!!!!!!!!!!!!!!!
- additional anode install
- "To Change Or Not To Change....."
- Leaky Keith Eickert valve covers
- help..quickly please -- merc II cooler
- can I remove deck hand rails?
- swim platforms
- What gaskets, bearings, rings and oil pump to use?
- Fuel pressure fluctuations Procharger M-1 7.4 MPI
- How about this cam selection ?
- How do you change a power valve?
- Merc #5 question
- Tie bar?
- Hooking up trim indicator
- violent bow lift and drop after bravo 3 replaced for bravo 1
- Tow Pig/K&N filter on a TBI???
- strong universals for a Bravo III
- 140 deg thermostats
- Prop shaft TRS
- Fuel Pressure Gauge
- XR Drive Maintenance
- Who has the best prices on Edelbrock heads and in stock?
- Tach recall problem
- porpousing with a rocker bottom "how to sand it out?"
- Manifold and Riser continuity test?
- Help! Need Help!!
- Mechanical Oil Gauge Fitting ??
- Silent choice/cut offs suggestions for 496magHO
- Engine oil drain hose to bilge plug, anyone sell them??
- Hydrocruiser....need input please.
- 7.4L valve covers
- 7.4L max rpm ?
- Fuel Pressure on 525's
- 7.4MPI with M-1procharger loading up @ 4200RPM & 2PSI
- Best twin turbo motor manufacturer?
- Dyno results at Crockett Marine
- Older EFI Wiring Help Needed
- Engine temp is high on new engine
- How do you check a marine battery?
- Engine Flushing
- Fuel gauge problem
- 1990 26 Nova St Stepped Version
- Will a 454 Mark IV transfer to Gen VI?
- One down and one to go
- How to decarbon pistons
- 496 MAG whine/howl/whistle noise?
- 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?)
- Odd looking 502 head gaskets wrong ones?