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    Trouble with Manifold 7.4L

    Hi, I have a 7.4L with BIII drive - the manifolds bolts are gone (rust) - I'm trying to remove and replace the manifolds and risers without pulling the engine. Here is my question - can I pull the heads with the manifolds attached? Thanks for your help. Deanman77
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    Mercruiser 7.4 - exhaust manifold problems

    Hi, I'm new to the forum and need some advise. I have a Bayliner 2855 Bravo III- 1998 I,m the original owner and have used very little - has less then 150 hours on the meter. I pulled the risers and they are gone - my problem is the manifolds are very, very rusty on the bottom - the heads of...
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