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  1. alldodge

    Engine backfiring through throttle body when trying to accelerate

    Might want to look further into that. Start at Bat cables and work thru engine connector, then behind the helm. Might just be corrosion
  2. alldodge

    Engine backfiring through throttle body when trying to accelerate

    Right my bad, to many threads are merging together
  3. alldodge

    Engine backfiring through throttle body when trying to accelerate

    Biggest issue with the motors is you really need a scanner to check codes. I might be something like a loose connection or bad crank position sensor but without one it's playing a game of darts
  4. alldodge

    Bayliner contessa wont plane

    A lower ratio leg with higher pitch prop is better than the reverse Another example same Formula 27PC 530HP motor using a 1.82 ratio drive would get up but not very well. Switch to 2.00 drive and came up much faster. The lower ratio let the motor spin up into it's max torque area sooner
  5. alldodge

    Engine backfiring through throttle body when trying to accelerate

    Unable to say exactly but controlled by the ECM. The contact width of the rotor and width on cap provides a certain amount of degrees
  6. alldodge

    Bayliner contessa wont plane

    If the crane scale was accurate then the only thing left is you need more motor. The boat most often came with twin 225 of 260hp motors. Your setup sounds like the Formula 27PC I had with a single 454. The single motor didn't have enough power for the hull. I swapped out the motor a few times...
  7. alldodge

    Engine backfiring through throttle body when trying to accelerate

    Back firing through intake is caused by spark happening at wrong time, intake valve not fully closed. It's suggested to keep a spare cap in the boat and wait for issues to start that are unexplained easy. Swap out and if it's fixed all good, if not dig further
  8. alldodge

    Engine backfiring through throttle body when trying to accelerate

    The caps on these motors may last a long time and others have a very short life. You can't look at one and see that it's bad. Search the net and you'll find they go out without warning. Yours may be fine but only one way to find out If cap is good I would do a compression test
  9. alldodge

    Bayliner contessa wont plane

    I would suggest taking boat and having it weighted Boat spec says it's around 6K lb, so with gear and trailer its up around 10K. Wonder if hull is water logged
  10. alldodge

    Engine backfiring through throttle body when trying to accelerate

    Have you replaced the distributor cap and rotor? Are your Vac gauge readings in kPa?
  11. alldodge

    Installing Water Heater w/ closed loop 8.1 engine?

    Here is someone who did it Here is the thread https://www.marineengine.com/boat-forum/threads/help-where-to-install-heater-water-lines.407602/page-2
  12. alldodge

    Installing Water Heater w/ closed loop 8.1 engine?

    I had a Merc that feed the water heater from the block drain port going in and the water pump housing on return. I don't have a VP 5.7 cooling system manual so I would guess which ever ports where used for open can also be used for closed unless the outlet went to the exhaust elbows Which 5.7...
  13. alldodge

    Installing Water Heater w/ closed loop 8.1 engine?

    There is no schematic and it's just 2 lines. One in and the other out.
  14. alldodge

    2004 Volvo Penta 5.0GL-E with SX-M outdrive leaking through exhaust into bilge

    We don't post links to manuals due to possible copy wright issues You can find some at manualslib You can find parts breakdown HERE
  15. alldodge

    Power trim wiring

    Welcome Have a look at MaxRules for diagrams
  16. alldodge

    Starter wire issue

    Many are installed this way because the Red wire terminal is not large enough to connect direct to starter post. In Merc documentation it list Red as Bat power unfused and Red/Purple Bat power fused Check the voltage on the other side of the 50 amp breaker
  17. alldodge

    Dual battery or booster pack?

    That will work While not absolutely necessary if you add a Bat switch to connect House and Start Bat for use if Start Bat will not crank motor
  18. alldodge

    Dual battery or booster pack?

    If it deals with the motor running it stays on the start Bat, as in key switch, gauges, starter, alternator, power trim, etc If it's for any other stuff, this can go on the house Bat
  19. alldodge

    bravo 1 outdrive o-ring adhesive

    For the most part no adhesive is needed for any of the O-rings to create a good seal. The adhesive is only used to help keep the ring in place during install. If the ring moved it could pinch it and cause a leak
  20. alldodge

    Boats from work.

    Nice
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