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Any experience with Fel Pro marine gasket sets on the 4.3?

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  • Any experience with Fel Pro marine gasket sets on the 4.3?

    OK these are 2 general questions, applicable to either Merc, Volvo or OMC....anyone had experience with Fel Pro Marine gasket sets? I ask because I am about to put my 4.3 back together with a set of re-man heads, and all new gaskets. I called Fel Pro to ask about installing the intake gaskets and the tech I spoke to thought that the ones in the marine set might be only for an aluminum intake, not cast iron. This did not make sense to me, because all the 4.3 marine intakes I have ever seen, were cast iron, be they non vortec or vortec. He got me to thinking they may have put the wrong gaskets in the marine set, but it just doesn't make sense. I know I can get regular gaskets for 4.3s and you can still get the ones that came on Merc or OMC engines, but this does not make sense.

    The other thing that was odd to me is this, on the 4.3 intake there are 2 cyls on the intake side that are siamesed together. However, on the cyl head, the divider between these same 2 ports does not come all the way to the sealing surface. Some intake gaskets have no divider between the 2 ports, some do. I know the OE ones on my engine did not, but the ones in the Fel Pro kit do.....On the Vortec cyl heads, this divider between the intake ports does come up to the sealing surface. Another GM mystery.
    1988 Four Winns 200 Horizon
    4.3 OMC Cobra

    98 Jeep Grand Cherokee 4.0 Selectrac
    07 Jeep Grand Cherokee Limited 5.7 Quadradrive II

    "While air doesn't freeze....rust never sleeps"

  • #2
    Ayuh,.... It's been 20 years since I put my 4.3l together, 'n honestly don't remember the gasket set brand,....

    But,.... I've never ever had gasket problems with Fel-pro gaskets, 'n they're my 1st choice of gaskets,...

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    • #3
      I'm thinkin that he may have had this issue confused with something else....because all the other checking I've done suggests that they are the right gaskets.
      1988 Four Winns 200 Horizon
      4.3 OMC Cobra

      98 Jeep Grand Cherokee 4.0 Selectrac
      07 Jeep Grand Cherokee Limited 5.7 Quadradrive II

      "While air doesn't freeze....rust never sleeps"

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      • #4
        Fel-Pro seem to be a good quality gasket. I used them on my 454 rebuild.
        Best regards, Ted . . . . Cape Cod, MA

        Formula 330 Sun Sport, O'Day Mariner Sail #3224, Sunfish
        Past Boats: Catalina 22 Sail #10531, Formula 242 Sun Sport
        Twin Mercruiser 7.4 LX MPI (0F802036, 039), Bravo 3's (0F806198, 199), Mercury 7.5 HP (1969), Johnson 4.5 HP (1980)

        My Boating Web Pages: http://www.tpenfield.com

        Member of the Month - February 2013

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        • #5
          Sign up today
          I only use fel-pro
          1988 Cruisers Rogue 2420 -VP 290 DP now powered by custom 468 - http://forums.iboats.com/forum/owner...988-rogue-2420

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

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

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