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  1. Scott Danforth

    OMC 175hp "Engine: Trim Hyraulic Fluid?

    in the trim system..... engine oil (SAE 30 was being spec'd back then) in the drive, type C
  2. Scott Danforth

    Can't find 1992 Mercruiser 4.3 Pre-Vortex intake manifold

    JB weld is for holding your broken tail light together. it is not for engine component repair unless maybe the vanity cover over the carb. either fire up the welder with a high-nickel rod and weld it, or get a new one.
  3. Scott Danforth

    Mercruiser 5.0 TKS vs 4.3 MPI

    you really should look up the specs for the volvo penta AQ311a and B, 572 a and b and 574 a and b.... all with a carb....and all prop ratings... and many with flat tappet cams, etc.
  4. Scott Danforth

    Stringer Manual?

    first, welcome aboard you do NOT want a seloc manual or a haynes manual or a clymer manual. they also do not make PDF versions. you can get a factory manual here: https://outboardbooks.com/ it will be hard copy as well. also a good resource are the guys at TC Electronics...
  5. Scott Danforth

    Poor Running - Low WOT

    you dont have an oil pump issue or your motor would have seized. you dont have an ignition issue or it wont be running its not the motor hint...... look at your fuel and fuel system. did you ever plug in Rinda? what is your injector pulse width? 50 psi means you have something plugged in...
  6. Scott Danforth

    Can't find 1992 Mercruiser 4.3 Pre-Vortex intake manifold

    they all are.
  7. Scott Danforth

    Mercruiser 5.0 TKS vs 4.3 MPI

    you obviously think I dont know that. however Im glad you like your MPI engine.... you still cant make more power with EFI than you can a carb. the combusion mix of the engine (dynamic CR, cam profile, rocker geometry, combustion chamber and of course bore and stroke) is what determines an...
  8. Scott Danforth

    Can't find 1992 Mercruiser 4.3 Pre-Vortex intake manifold

    I would do a threaded rocker stud conversion (the pressed in studs sometimes pull out) and run adjustable rockers. generally not needed, however that is my preference. I also like to remove the casting flash on the exhaust ports and combustion chamber prior to bolting the heads on. again...
  9. Scott Danforth

    Can't find 1992 Mercruiser 4.3 Pre-Vortex intake manifold

    why?
  10. Scott Danforth

    New 'Threads' ???

    Ted.... there is the "whats new" button, however that is the recent new posts just like the "new posts" button. Im just glad the majority of the VB5 evil has been banished.
  11. Scott Danforth

    Can't find 1992 Mercruiser 4.3 Pre-Vortex intake manifold

    any 1995 and older intake will fit your 1992 motor without balance shaft. since you have to buy a new manifold.... I would update the heads to vortec and run this manifold https://www.edelbrock.com/marine-vortec-v6-4-3-intake-manifold-2519.html
  12. Scott Danforth

    4.3 Oil Drain System and Timing Cover

    I added the drain hose to the last two engines. I loved it about the 5.0 in the Sea Ray to want that feature going forward. yes its slow. however you can pull the hose out the garboard plug, then drain it into your oil catch pan while you make a sandwich, get a beer and tend to other things...
  13. Scott Danforth

    Mercruiser 5.0 TKS vs 4.3 MPI

    you should do some research. and you should talk to many of the pioneers in the EFI world a carb will always atomize better than an intake mounted injector nozzle (again, do your own research). not until you get to direct injection with variable valve timing can an EFI motor make more power...
  14. Scott Danforth

    1988 Bayliner 2560 Trophy with 5.7 GM and OMC Stern

    There hasnt been a RH engine (reverse rotation) with a stern drive... There also hasnt been a RH drive motor with inboards since the early 80s Even if your 1988 boat had 2 or more motors, they would be standard rotation
  15. Scott Danforth

    Re-secure Snaps?

    They make oversized screw snaps, that would be my fist choice
  16. Scott Danforth

    Mercruiser 5.0 TKS vs 4.3 MPI

    No, i have been involved with engines and turning wrenches since I was 3. Definately not thinking MPI. I know the limitations of EFI vs Carb, I know the benefits, limitations and realities. Prove to me that EFI adds more power. Having been involved with EFI motors since the 80s, unless you...
  17. Scott Danforth

    Automatic bilge pump

    I wont click on any PDF's for security reasons. however if you had it linked to the attwood site, then maybe I would. many OEMs have a switch that in one position is automatic (being feed by the batteries direct) and the other the manual side. most available schematics are only the engine...
  18. Scott Danforth

    5.0L MPI Idle Air Control Valve OEM vs Aftermarket

    its threads like this that make me glad I have a carb......
  19. Scott Danforth

    speedo gauge wrapped around.

    no way enough air coming in the pitot tube would spin the speedo around. because of the density difference of air and water, you would have had to be towing about 230mph in air to read about 50mph on the speedo. most likely the bordon tube in the speedo simply broke or the spring came...
  20. Scott Danforth

    Considering a swap

    I would build a pair of 377's or use used blocks and build 383's
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