Recent content by TurboJet

  1. TurboJet

    Easy way to test fuel pressure? (3.0L / 120)

    Hi all, Recently been experiencing an issue at WOT with what appears to be a fuel delivery issue. The engine appears to surge and wants to die. We can run at about 80% throttle and cruise without issue. Recently replaced the ceramic/stone fuel filter and added a water separator to my 3/8...
  2. TurboJet

    New Gimbal Bearing noisy?

    Hi all, Recently replaced my gimbal bearing in an '87 Merc 3.0 Alpha 1, and when I am fully locked left or right (idle or underway), I hear a tapping pattern? I made sure I installed the bearing in the proper orientation for the grease zerk and greased it before re-installing the outdrive. (I...
  3. TurboJet

    '89 MerCruiser trim sending unit issues/advice needed

    Hi all, Working on an '89 Merc 3.0L and am replacing the trim sender/limit switches on the outdrive. I hit a small snag where I need to remove the wire retaining "plate" that sandwiches the wires/seal against the transom. All the instructions I have read show a "C" clip looking retaining...
  4. TurboJet

    New floaty!

    So now I have the infamous TurboJet, and the newest addition to the family '89 Marlin with a 3.0L merc Ready for some water! Thought I would share!
  5. TurboJet

    Merc Force 90

    Afternoon all, Being my family is growing and our love of boating has also grown over the past few years, we are looking to upgrade from the "Fling" in the near future. Yea yea, the Fling is some one-off and not many like it, but it was our first boat and was a great experience to "get us into...
  6. TurboJet

    V4 115 TurboJet Water PSI Gauge

    Evening all, I have read a plethora of psi gauge install threads but unfortunately none of them are specific to my configuration. I understand the V4 115 is a common engine, and this I am happy for due to the various (and plentiful) info here about them. I also understand I have a "unique"...
  7. TurboJet

    115 V4 x-flow linkage

    Afternoon all, After looking over the engine a few more times while I have it on the bench, I think I have noticed the cam follower rollers for the carb/advance are "missing" the roller sleeve. I have successfully found part number 0432572 for the advance "roller, cam follower", but I can't...
  8. TurboJet

    Cylinder head swap 115 V4

    Afternoon all, As always looking for an "upgrade" I have seen others swap to high compression heads versus low comp heads The heads on my V4 currently are 326505 and 326504 and am looking at a set of 324322 and 324321 which supposedly came in an "upgrade kit" Am i correct on the 322 and 321...
  9. TurboJet

    Gear Oil -- CRC Replacement

    Hello all, Sorry if this is in the wrong place... Does anyone know of the replacement for CRC 06402 "Hi-Vis" Gear Oil? Looking for an 80W90 gear lube that is non-foaming and non-detergent Thanks!
  10. TurboJet

    V4 X-Flow Adapter Plate Gasket

    Good morning all, Recently pulled my powerhead to replace the thermostats on my V4 crossflow and noticed the adapter plate to powerhead gasket appeared to be leaking. After pulling the adapter plate off and cleaning the old gasket off with gas and plastic scraper, it looks like either the...
  11. TurboJet

    OMC TurboJet Impeller Bearings

    Hello all! First time poster here... Recently acquired a 1994 Four Winns Fling with a 115 HP TurboJet... It was passed down to me as a family deal and apparently has 100 hours on the hour meter! All looks well with the vessel and can rip up and down the river with ease... Last night I...
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