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  1. Scott Danforth

    Stumbling at Cruising Speed - OMC 5.8L

    It's used as a mixing valve to mix block circuit with the constant flow to exhaust
  2. Scott Danforth

    Dock question: how do these sections hook together?

    Won't need auger posts unless you leave your pontoon tied to it in a big wind storm. The pontoon will act as a sail and pull the dock
  3. Scott Danforth

    Engine swap.

    A change to aluminum exhaust manifolds like something from stainless exhaust will drop almost 80# An iron short block LS motor is about 130# lighter than the BBC. Put aluminum heads on and add a heat exchanger and you drop 60#-70# It will drop the value. Because Mercruiser does not use LS or...
  4. Scott Danforth

    Fuel return

    Factory motor returns fuel from regulator to the fuel module. Factory boat has 1 fuel like from the tank pickup to the filter to the low pressure pump
  5. Scott Danforth

    Need to determine best prop for weird setup

    Keep dropping pitch until you get the RPM up to 4800 You will most likely need to re-gear or find someone that wants to swap
  6. Scott Danforth

    4.3 LX water in the oil...

    With proper 50/50 mix in the block, and properly drained raw water side, the block is good for -34f If you didn't drain before attempting to flush with RV PG, then at best, assume +30f before something froze Did you drain the manifolds?
  7. Scott Danforth

    Stumbling at Cruising Speed - OMC 5.8L

    Marine carbs do not have a cold idle cam. Adjust your choke a bit. Idle should be set when warm, in gear in the water
  8. Scott Danforth

    Pet surgery cost😮

    I love my pets more than most family members. I don't question the vet costs. Mos vet surgeries are between 0.7 and 2 boat units Heck, I even spent 1.5 boat units on a cat once....
  9. Scott Danforth

    Trailer Brakes

    rotors are fairly cheap. is it the piston sticking or the slider pins?
  10. Scott Danforth

    Dock question: how do these sections hook together?

    could be... bud still charged the same a few years ago when I helped, used to be $50/$75 up to about 10 years ago. He does about 20 docs and about 17 boat lifts shortly after ice-out, and brings them in the months of October/November. also makes a killing putting in pontoons with his scissor...
  11. Scott Danforth

    Dark gel coat with white rub marks from black bumper. Seems like they are under the surface.

    that is surface scratches in the gel coat, not rub marks or transfer marks. you aint wiping that off if you look at it closely, it will have the suface texture of dry skin (where the polished layer was removed) I would start with 600 grit wet-dry sand paper, then 800, then aquabuff 1000...
  12. Scott Danforth

    WOT

    I ran my 2001 5.0 at 5000 RPM for nearly 40 minutes straight often. you are worried about nothing. as stated above, you need to know you have the proper prop on there. if you load it too much, you lug the motor and kill it. if you are under propped, you are down on performance assuming your...
  13. Scott Danforth

    Any tips to release fuel tank stuck by floatation foam

    A bit of air pressure helps the tank break itself loose. About 2 psi If you can get straps around the tank, that helps
  14. Scott Danforth

    LiFePO Batteries ???

    I'm thinking pull start outboard is in my future......
  15. Scott Danforth

    Water Diagram

    The sea swirl squirt was a jet boat in the 90s (1994-1997) with a V4 OMC power head and a jet pump
  16. Scott Danforth

    Electrical Diagram

    Never existed. Look at the factory service manual for the outbound. It will have motor and control related wiring schematic The rest of the boat, you will need to trace wiring
  17. Scott Danforth

    Dock question: how do these sections hook together?

    Its a roll out dock. You most likely pull the wheels when you get it where you need Bring the section without the hooks first. Level, set, etc Bring the hooked section up behind it. Lift so the top side of the angled hook hits the bottom side of the deck, and the hook clears the angle...
  18. Scott Danforth

    Dock question: how do these sections hook together?

    I don't think you need to remove the deck
  19. Scott Danforth

    Trim pump not working in down position

    permatex #3 works too, make sure its after the last o-ring
  20. Scott Danforth

    Trim pump not working in down position

    the AQ 290 series VP drive has the pins for the rams accessable only when the engine and drive are pulled (almost to the point of removing the transom shield. ) the easiest way to repair them is on the boat.
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