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Recent content by moresparks

  1. M

    D3-160 Twin Engine - spacing.

    Many thanks for your response. Just an update ... After an initial inspection, the engines look in first class condition with only 20 hours run... BUT ... they have been sitting for a while, so will need careful checking. As for the spacing, it looks like a tight fit for my locker and service...
  2. M

    D3-160 Twin Engine - spacing.

    Hi, hoping someone can help. I am repowering from 2 failed petrol sterndrive engines and being offered nearly new D3-160 engines complete with SX sterndrives. Engines are from 2007 but have less than 100 hours, so a reasonable proposition. Now.. the old engines had a small footprint and the...
  3. M

    Twin Engine to Single engine re-powering question.

    “Sandkicker” – I hope you did not take offense as I highly value you responses the fault is entirely mine for not being concise enough. The single engine option did look a good option, if the preferred twin option will not work - both economically and physically. As you said, the Fore and aft...
  4. M

    Twin Engine to Single engine re-powering question.

    Hmmm… I wondered if the Engineer thought the same as SandKicker? What seems obvious for those that have been around boats for many years, the fact that I didn’t mention the fact of redoing the whole transom led him to believe I would use one of the existing cut-outs. That would then make sense...
  5. M

    Twin Engine to Single engine re-powering question.

    Hi, That wasn't my intention. If I go the single engine route it will be plugging both holes, reinforcing the transom and cutting a new hole on the centreline. Whatever route I choose the transom holes will need to be re-cut anyway, as they are currently too close for ANY twin engine...
  6. M

    Twin Engine to Single engine re-powering question.

    Sorry .... 320HP :mad:
  7. M

    Twin Engine to Single engine re-powering question.

    Hi, Thank you for responding, It is a 27foot sports cruiser (30+ knots) mainly used in estuaries or coastal waters it originally came with twin Volvo Penta AQ171c’s around 167 hp each. Beam is around 10 foot and weighs roughly 3.5 tonnes. There were a number of options which included a single...
  8. M

    Twin Engine to Single engine re-powering question.

    Hi, looking for advice for anybody that has replaced 2 aging sterndrive engines to a single sterndrive engine. Had a catastrophic failure on an old Volvo engine where parts are unavailable. I decided the only option was to re-power and have since removed the engines and drives. Here in the UK...
  9. M

    Volvo Penta to Mercruiser Steering?

    Hi, Probably a dumb question, but normal questions and searches do not show me much. I am re-powering from a couple of aging Volvo’s to a single new Mercruiser 6.2L V8 with Bravo 3 Drive. What steering system is recommended or does it come with this? I currently have the Volvo Roto Pilot...
  10. M

    Repowering with twin Mercruiser 4.5L's

    HI, Has anybody had installed new Mercruiser 4.5L Sterndrives? I am seriously thinking of re-powering from 2 aging straight 4 Volvo’s, but I am confused regarding the specified dimensions. The old Volvos are fairly compact but they are a tight fit height-wise. I have around 800mm height in the...
  11. M

    "Piston Broke"

    O/K an old joke but I am not really laughing. Seemed a nice day for a gentle potter down the river on Friday, so started the engines to warm up, when suddenly a “bang” - engine stopped. That doesn’t sound good I thought! Engine completely “jammed” up. So .. decided to start to strip down and...
  12. M

    Spun Prop Hubs!

    Dumb Question Alert!!! Why do I get spun Props after very little use? Here is the scenario .. twin AQ171c’s on standard OEM Volvo 14 x 19’s. Boat is a 27 foot - 30 knot sports cruiser. Weighs around 4 tons. All going well no bumps or damage, reasonably calm and flat, travelling around 4000revs -...
  13. M

    Volvo Penta 290 SP-A – Kicks up in reverse – reverse lock.

    Hi, I have a problem that the drive occasionally lifts up in reverse; normally when docking which can be “awkward” at times. Now… I have already replaced the complete latch mechanism including springs, pawls etc. for new, so a little stuck. Checked everything is aligned and works as it should...
  14. M

    Any E10 (Ethanol) problems you are aware of on older engines?

    Hi, Here in the UK we are now having to use E10 Gasoline (10% Ethanol) as opposed to E5. Is anybody aware of potential problems in using this fuel.? I have a couple of 1989 Volvo Penta AQ171C's and I have always used Startron gasoline treatment. I have an aircraft grade Aluminum fuel tank...
  15. M

    Engine not starting – rapid vibration noise from the starter.

    Hi just wondered if I have a really serious problem that has developed over the winter and wondered if anyone can give some pointers. At layup time .. everything all fine. Just a standard 4 cylinder AQ171C volvo gasoline engine layed up according to the manual including fogging etc. Come to...
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