View Full Version : Engine Tech
- Where to buy Exhaust manifolds 8.1 Horizon 2002
- Cometic Head Gaskets
- Dart Big M 9.8 short deck
- CMI "Unitop" exhaust
- Crank driven water pump on 420hp 454
- Superchargers
- Cam choice?
- Moving Electric ???
- Edlebrock Carbs
- Blower engines Manifolds VS Headers
- Help
- cooling question
- 575 internally cooled?
- Water Pump -Vs- Cross over???
- This engine versus a 496HO - Which way would you go and why?
- Timing set BBC
- The Truth about Oil Pans
- Merc 454 330 warm up
- Dry pipe flappers??
- No longer available parts?
- small blocks deep drives 28 cigarette
- who makes the best air cleaner?????
- California merc 496 ho difference?
- Need help to ID this cam
- oil cooler reccomendations?
- Innovations 572/850 SC
- Rebuilding mech. fuel pumps
- 2 questions HP500 EFI
- Mercruiser 383 (6.2 L)
- Mercury 500 HP Cranking Compression
- Replacing Dex-Cool in a 496MAG
- Thermostat for heat
- Water pressure gauge. install ?
- Exhaust Tips ?????
- Interesting read on oil additives.
- Merc Racing 525 mechanical fuel pump
- Thermostat ????
- Lock timing or no?
- Sbt ?
- head identification
- 525 closed cooling pink stuff?
- Carb rebuild question
- water flow from exhaust 496
- Ignition question
- E3 spark plugs
- Proper CFM carb for 330hp 454?
- Cam specs HP500 carb motor?
- 25 Hp Difference
- Technical question for a 350 magnum
- Homemade relief valve
- spark plugs
- Power Head Will Not budge
- oil cooler line plumbing
- Autolite Plugs??
- K&N filter cleaning
- Mobil One 15-50 Cant find
- What model is your preferred ignition?
- dipstick that do not leak ?
- Reversion....
- Carb hp500 rev limit
- Help Me Pick A Cam...
- Best valve seat material?
- 454 MPI upgrades...
- 496 tall deck
- SMALL BLOCK CHEVY
- Need to find a fuel/water separator filter
- Exhaust manifold inst. Gasket/sealer?
- clamp on mufflers
- Alignment issues
- evac tubes in exhaust?
- 500hp power valve
- Yet Another Muffler Delima Thread
- Help finding a part number!
- 2003 496Ho Exhaust Heat Sensor
- Bypass balls ? (on t-stat housing) BBC
- Next 496 Question
- 496 impeller rotation.
- Amsoil?
- "budget" engine build...
- Crankshaft refinishing
- 500EFI Pulley question.....
- Mercruiser 454/330 Torque
- Help 454
- 500 EFI ALARM
- 1000hp, High School Built, SBC
- M-1 Procharger
- 575 SCI 858HP 805FT. LBS OF TORQUE!
- 454 EFI, bad fuel pump?
- Engine losing power
- 5.0mpi wont stay running
- No spark!!
- Which Heads Are Better?
- Installing bungs for sensors
- 500 efi hp running higher than normal
- Oil Question...
- 500 efi alternator?
- Thunderbolt IV Ignition Questions...
- A different Thunderbolt IV question.....
- 500 EFI WATER PUMP FUEL PUMP HOUSING
- fuel line setup???
- Swapping 502efi for 525efi
- lifter question
- Piston question..
- Tach calibration
- Engine Coupler Questions...
- starter question
- Non stock 500EFI plug issue
- my gen6 motors sell/trade/keep????
- Where in the Hell is the Diaphram ?
- Outboard stalling after hot restart
- What is the best flowing USCG air cleaner available?
- K-Plane Ram
- Roller Lifters
- 496 SEA WATER PUMP PRESSURE
- 496 mag leaking antifreeze
- Exhaust
- 496 HO guardian mode?
- 7.4 MPI very sluggish
- Raw Water Pumps
- Oil pressure
- $100 Reward for Correct Diagnosis
- Mercruiser 540ci 575hp
- Help with 383 MPI
- carb and prop assistence
- Merlin Boat Anchors? Help pleze!!!
- Prop, carb, rpm questions....
- timing on a 540ci n/a
- Powerflow Exhaust install problems...Power steering lines in the way...
- Distributor / coil?
- Power steering pump ?
- Spinning in or out?
- 500HP carb,, Procharger questions
- Wanted *optimax air pump*
- 502MPI side mount Whipple manual
- 454 Magnum, Cam, Intake, Carb.
- Thunderbolt 4 Whiskey Tango Foxtrot!~
- wt should your fuel pump read at wot
- MORE 496 HO PROBLEMS
- Autronic EFI timing plug ...
- Edelbrock 60559 Alum Heads...Good/Bad?
- 509 Rebuild Tips
- New engine pics....
- Gen V dipstick
- 502 mag mpi questions
- 502 mpi cam question
- Whats it worth? #'s matching 454 70 Chevelle LS6, 450 HP
- Air/Fuel Ratio Meter wt the best one
- lower unit vise
- EGT probe location
- Cam Timing question
- 525'a RPM at idle?
- Dyno Testing Service
- piston size 502
- Merc 540 575hp build heads cam ect..?
- 7088 Mag Heads
- Only 40lbs oil pressure after re-build.
- Roller Rockers
- Blower Thermostat housing Mfgr?
- Merc Racing 500EFI's
- question
- aluminum heads casting number 10207643 looking for some bravo parts for swap
- Merc 420 Cyclone engines
- 502 Chevy 0 Hours
- YAMAHA 225 - 4 stroke INFO NEEDED
- Overheating damage? Help?
- AFR wide band
- Mercury 525efi ECU question
- 5.7 Runs on muffs, not on the water
- 85 Merc 200 outboard rebuild?
- Help..Bravo to Mark 4 7.4 water pump suction hose
- PROCOMP Heads
- New Engine !!
- Stainless Headers !!!
- Lifting Plates
- Engine Repair Shop
- 502 Exhaust !!
- Turbine Outage
- 525 Valve springs
- wont rev past 3000 rpm's- HELP PLEASE
- Engine alarm help.
- 454 issues
- Cam Question !!!
- Zinc Pencils !!!
- Auto Mechanic PLEASE
- Mercruiser Thunderbolt IV Ignition Control Module V8-24
- 1990 Wellcraft Nov XL 26 SBC/Alphas - Looking at Exhaust
- Brand new 502
- fuel problem ???
- Oil Temp ???
- Take a THRILLING RIDE with SEVEN Marine's 557s!
- Engine vibration
- Oil leak
- 502mag won't start in idle, after warm-up can be backed down to 700rpm but stalls in idle position
- Oil pressure 502mag, 433 hours
- Spark Plugs
- BIN file uploads
- Crankcase blowby
- Steam relief
- Brand New Engine Backfires !!!
- Rusted Exhaust Pipe
- Race Tec Pistons
- Power steering pump pulley
- Engine / Camshaft Guys !!!
- Help! Shift linkage
- Re build 502mpi or crate engine
- Yamaha outboard, replacement powerhead options?
- pulling 454 outta 78 carrera ss7m with trs n mercruiser trans
- Holley HP EFI
- Anyone have oem MEFI1-4 tunes for 502MPI?
- oil coolers
- mefi 4 adx file
- 502 MPI on a Blackhawk
- Boaters beware: Watch out for E15 gasoline
- 500 Bulldog blast from the past...
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