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Thread: Merc Blue Motor - 525 SC

  1. #1
    Dude! Sweet!
    Merc 525 SC for sale. $6,800 or make offers!
    Currently complete, in boat and runs great! Upgrading to more displacement and power. Sale doesn't included exhaust. New motor is on its way!
    Motor has a Crane 169731 roller cam, springs, timing chain, and manley inconnel exhaust valves at last top end service. Always had oil changes at 25-30 hrs with Mobil 1 15-50.
    PM or email (PAI_Racing"at" with questions or offers. Mobile number 213-952-7501. Located in Huntington Beach, Ca.

  2. #2
    are you sure it's not a 575SC? I have a 525, but I've never heard of a 525SC

  3. #3
    It's an older supercharged 454...with a carb , no injectors

  4. #4
    Mercury HP 525SC Specifications
    Propshaft Horsepower: 490/365
    Full Throttle RPM Range: 4800-5200
    Displacement (CID/CC): 454/7.4
    Bore (inches/mm): 4.25/107.9
    Stroke (in.)/(mm): 4.00/101.5
    Compression Ratio: 7.5:1
    Cylinders: V-8
    Fuel Requirements: 92 Posted Octane

  5. #5
    thanks guys, I didn't know they made that model. Good luck with the sale.

  6. #6
    how many hours are on the motor ?

  7. #7
    Dude! Sweet!
    Well there you go! I learn something new everyday... Thanks guys.
    Top end has about 150 hours bottom end has about 500. Doesn't use any oil and pulls strong. I'm replacing it with a 565 cube NA motor so this one has to go! Feel free to give a call and make an offer or asks questions. Mobile number is 213-952-7501.

  8. #8
    Dude! Sweet!
    OK, $5,500 takes it home (without exhaust or accessories). Get this thing out of my bilge! My new motor is here and sitting on the shelf!

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