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Repowering a 97 Viking sc48 with Cat 7.1 500hp

Discussion in 'Viking Yacht' started by mdwally30, Mar 30, 2020.

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  1. mdwally30

    mdwally30 New Member

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    I'm looking for some feedback. Repowering a 97 Viking sc48 with new Cat 7.1's. Any thoughts or suggestions.
  2. mdwally30

    mdwally30 New Member

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  3. PacBlue

    PacBlue Senior Member

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    What power are you replacing and what are your goals with the repower?
  4. RER

    RER Senior Member

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    Probably replacing CAT 3208 435hp.
  5. mdwally30

    mdwally30 New Member

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    I’m replacing 3208 425hp. Had one engine go bad. Other needed new heat exchanger housing and transcooler. Plan on keeping the boat for a minimum of 5-10 years. Plan is to install C7.1 500hp. Change shafts from existing 1 3/4 to 2”. Remodel the engine room basically. Looking for some feedback on the engines and any suggestions on other things I may need to be concerned about or address while I’ve got the boat out of the water. Thanks for your response and input.
  6. PacBlue

    PacBlue Senior Member

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    Looks like a good choice, which yard is doing the repower?
  7. mdwally30

    mdwally30 New Member

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    Dependable Marine at Driscoll in SD
  8. mdwally30

    mdwally30 New Member

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    I’m planning on redoing the soundproofing in the engine room. Any suggestions?
  9. PacBlue

    PacBlue Senior Member

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