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Volvo Penta 280 rust colored stains

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  • Volvo Penta 280 rust colored stains

    I’m thinking about buying this boat with a 350 Chevy. One thing is the outdrive has a rust colored stain around it (pictured)
    Does anyone know what is causing this? The exhaust maybe? Could it be that the manifold risers are corroded on the inside and are spitting it out?
    thanks in advance.

  • #2
    rusty exhaust water from not using the boat, or from using in salt water and not flushing after use
    Cheesehead boating the Gulf Coast of FLA 27.51° N, 82.53° W

    1988 Cruisers Rogue 2420 -VP 290 DP now powered by custom 468 - https://forums.iboats.com/forum/owner...988-rogue-2420

    Past Boats
    1970 Wooster Hellion - Merc 9.8
    2002 SeaRay 190BR - 5.0 - A1G2 - "Cheeseheads in Paradise"
    1984 Avanti 170DLI -3.0 stringer- "Ship Happens"

    What’s behind you doesn’t matter.Enzo Ferrari


    • #3
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      Looks like fresh water staining to me. Could be wrong.
      We get similar stains all over our drives and hulls here on our lake. Caused by the iron content.