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Big inch four: Mercruiser 470/485

Discussion in 'The Hokey Ass Message Board' started by jamesdfo, Aug 25, 2008.

  1. I found two pics so I'm posting on every thread about the Merc 470
     

    Attached Files:

  2. Billyirons
    Joined: Feb 19, 2009
    Posts: 1

    Billyirons
    Member
    from Bronx, NY

    I have been running a 470 in my boat since 1987. I noticed that the engine did not 'sound' right during break-in. I tried premium gas and it has run well for 24 years and I never retarded the original timing. It ALWAYS shakes @ idle but has great torque and pulls well to 4700 RPM. Mercruiser recc. max 4600 w/ 2 bbl (mine) or 4800 w/ 4 bbl. The engine generates 35 amps electricity with a crank mounted stator and a $500.00 electronic, water cooled, voltage regulator. It is the VR that usually goes bad. 470 owners save money by switching to a std alt.(I did). BREEZEWORKS 470 FORUM has a lot of good info. 1 member (I believe his handle is STRACTOR) is running roller rockers.
     
    kidcampbell71 likes this.
  3. Oldfart59
    Joined: Nov 8, 2019
    Posts: 147

    Oldfart59

    I sent him a camshaft in October and still have not received the camshaft yet i masage him and called him couple times nothing helps
     
    Last edited: Feb 9, 2020
  4. Mr48chev
    Joined: Dec 28, 2007
    Posts: 30,197

    Mr48chev
    Member

    You sent a cam out on the basis of a 11 year old post without contacting the guy first?
     
  5. Oldfart59
    Joined: Nov 8, 2019
    Posts: 147

    Oldfart59

    No I called him first and sent to him he said he would call me when he is going to work on it we was going to decide what grind to use on it
     
  6. Isn't there already a thread on this motor on this site that is about 70 pages long? It includes a video of one running with a Boss 429 head and a lot of information and directions that have been tried. I hope you've searched and read that thread; "460 Mercruiser" or something like that.
     
  7. drtrcrV-8
    Joined: Jan 6, 2013
    Posts: 1,524

    drtrcrV-8
    Member

    "The Elusive 224/3.7 Mercruiser" is the "other" thread you are referring to!
     
  8. Oldfart59
    Joined: Nov 8, 2019
    Posts: 147

    Oldfart59

    Well I finely got a hold of him he told me he would do it this weekend and send it out Monday to me will see
     
  9. Oldfart59
    Joined: Nov 8, 2019
    Posts: 147

    Oldfart59

    I have read a lot of it there is quite a few on here about it
     
  10. Oldfart59
    Joined: Nov 8, 2019
    Posts: 147

    Oldfart59

    I seem quite a few about them
     
  11. drtrcrV-8
    Joined: Jan 6, 2013
    Posts: 1,524

    drtrcrV-8
    Member

  12. wrong generation
    Joined: Jul 30, 2007
    Posts: 243

    wrong generation
    Member
    from new jersey

    Are these engines actively in demand for hotrod builds? I've got one i just built but might have to abandon the project. So considering selling it.
     

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