Pair of fresh built 520HP BBC's
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Pair of fresh built 520HP BBC's

  1. #1
    Junior Member
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    Dec 2009
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    Default Pair of fresh built 520HP BBC's

    I have a pair (one completely done, everything ready to go for #2) 520 HP engines broke in on dyno and have papers to back it up.

    520 HP @ 5500 RPM!

    545 ft/lb torque @ 4400 RPM on pump gas!

    All of this on less than 700 CFM!

    454 4 bolt main punched .030 over
    fully balanced rotating assy
    forged TRW pistons
    781 heads w/ new Manley valves
    Comp Cams Xtreme Marine 284 roller cam & lifters
    Comp Cams aluminum roller rockers
    Edelbrock RPM Air Gap intake


    Full roller engines that run on pump gas! Have good idle and built to last. Had every intention of putting these into my boat! However, they ended up being too good - my outdrives cannot handle the power, and I don't have the $ to upgrade outdrives this year. I have another set of 375 HP engines that I am putting in for this season.

    Search youtube for "spunner69" and you can see clips of the dyno.
    $13K for the pair or $10K for one complete and everything minus machine work to build the second or $7K for one.

    Need to move. Make offer and/or will trade for anything of value.

    Thanks for looking!

    Dustin
    Last edited by spunner; 03-23-2010 at 09:27 AM.

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