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  1. M

    LS3 480hp 6.2l coupled to Bravo III X

    I have designed, patented & prototype proven a boat that is nearing production, but I have issues with the power & propulsion. The prototype at 1.5t was driven by a 225hp Mercury 3l efi, but the production model at 2.5t will not work, or at best struggle, with an outboard configuration, so...
  2. M

    Starboard pistons very hot, port side cool

    My 2000 model 225hp EFI 3l V6 is running rough. Recently replaced thermostats, but starboard piston heads too hot to touch, while port side can keep holding fingers there. This is after idling for 5 minutes with running the revs up and down occasionally. I have read that if a coil is...
  3. M

    225 EFI Bleed lines keep popping, splitting - backfiring, lean running?

    Would appreciate advice. Rebuilt 225hp, 3l, 2000 with a used block (previous one put con rods through crankcase). Had use of a repair manual and believe all bleed lines were correctly connected along with directional valves, but these lines keeping popping and getting backfires and rough...
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