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Recent content by major_tom

  1. M

    Erratic High Idle 8.1 L MPI with 2007 ECM Engine s\n 670174 Manufactured 08/06

    Team: Port engine described above with the 07 ECM has an erratic high idle that oscillates between 800-1200 RPM. Ii is rock steady at dead low idle (660 RPM) and above about 1200 RPM. This engine sat for 3 years without being run. Rinda scan tool revealed no faults or error codes. The IAC...
  2. M

    No start 2004 8.1 MPI Port Side

    Hello Team Crusader: 2004 8.1 MPI port motor 425 hours (new to me) cranks strong but wont start. On a couple of attempts there was some suggestion of the motor beginning to fire but not for long yesterday and not at all today. Fresh fuel, new 4D battery in parallel with Jumper Pack. Fuel...
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    Purging old gas Crusader 8.1L MPI Returnless Fuel System (s/n 670174 & 670175 MFG. 8/2006)

    Hello Team: I just completed the purchase of a Blackfin 32 with a pair 8.1L MPIS's up here in NE. There is about 95 gallons of stabilized fuel in the tanks, but its been sitting for 2 1/2 years. I'm having a fuel service clean the single 304 gallon tank and dispose of the old fuel but this...
  4. M

    Fuel Pump not pumping: Gen IV Crusader 454

    I'm helping a friend trouble shoot a fuel delivery problem on his starboard Gen IV Crusader 454 with mechanical fuel pumps.* His Port motor has no issues and is connected to the same fuel tank as the starboard motor thats getting no gas.* We swapped fuel lines at the fuel tank pickup (there's...
  5. M

    Low voltage up on the port motor flybridge guage?

    Twin 454 Gen IV Crusaders --1984 Egg Harbor Tournament Fisherman Try not to laugh... Port motor voltage gauge shows 12.6 volts at start up and idle but decreases with increasing RPMS both underway at cruise and at the dock in neutral if the engine is reved up. Drops down to slightly under 12...
  6. M

    Riser and Elbow Removal

    I need some help on removing the riser/elbow assembly on my fresh water cooled crusader 454 gen IV engines with log style manifolds. I drained the coolant from the exhaust manifolds and removed the four nuts on the riser studs. Then I beat the riser/elbow assembly with a 3 lb hammer but no...
  7. M

    Temperature rise at cruise

    Twin 1984 Crusader 454’s. Both engines idle and run below 1800 RPMS at 160F rock solid. However at a 3500 rpm cruise the port motor goes to 180F; starboard increases to about 170F. Throttle back down to 1000 RPM’s and the starboard temp drops back to 160F within 30 seconds; the port motor takes...
  8. M

    1994 Mercury 15 HP 2stroke buckin and hard stall

    "I have a 1994 15 HP mercury 2 "I have a 1994 15 HP mercury 2-stroke with the following problem. Starts O.K once warm (there's no choke, only a primer system that appears to be broken), runs O.K. for 10-15 seconds, bucks hard and (usually) stalls. Starts back up and repeats the performance...
  9. M

    Borg Warner 1911 Gear Fluid Leak

    "As luck would have it my port "As luck would have it my port side gear is showing a small leak at what appears to be the rear seal just ahead of the shaft coupler. No spraying of ATF to speak of but new oil absorber pads reveal a consistent but small amount of ATF below the coupler area only...
  10. M

    454 mystery knock what do the experts think

    "I have a 1984 Egg Harbor 33&# "I have a 1984 Egg Harbor 33' with original twin 454 inboards (1300 hours each) coupled to Borg-Warner 1.91:1 reduction gears. The port engine (which is right hand rotation with a gear driven cam shaft) has a moderate knocking noise similar to a “diesel knock”...
  11. M

    BorgWarner 1911 Gearwhat should dipstick read cold

    "I replaced a drive damper in "I replaced a drive damper in the hope that it would eliminate an annoying knocking sound coming from somewhere in my starboard engine, and in doing so I lost about 1/2 of a quart of transmission fluid from the cooler lines. I added 1/2 of a quart of ATF back in...
  12. M

    Thermostat Confusion

    "Twin 1984 Crusader 454’s, Gen "Twin 1984 Crusader 454’s, Gen IV, fresh water cooled. Starboard engine temp. is 160F at idle and low speed, 180 at cruise. Port is 140F at idle and low speed, 160 at cruise. I would like to see 160F here at low speed before winter layup. Changed the...
  13. M

    454 not achieving rated RPMWhat do the experts think

    "I have twin Gen. IV 454 carbu "I have twin Gen. IV 454 carburated Crusaders in a 1984 33 Egg Harbor convertable. The starboard engine won't turn up past 3200 RPMS; the port motor spins up past 4000 while dragging the starboard side along. Both props are 3-blade 19x20 in good condition...
  14. M

    Drive damper replacement

    "Could someone please post a s "Could someone please post a step-by-step list of how to replace a drive damper/coupler, Crusader 454, Borg Warner gear, straight inboard, boat in water. I have the service manual--it is less than helpful. Here's what I have so far. 1. Support engine with...
  15. M

    98Timing Cover Oil Leak

    "I replaced a cam shaft last f "I replaced a cam shaft last fall on one of my 1984 vintage Crusader 454's and had a considerable amount of trouble getting the timing cover and gasket back on. Low and behold it leaks a little oil while running. I used the method whereby the front two bolts of...
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