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  1. #1
    Join Date
    Jul 2004
    Guam, USA

    Unhappy 708-cubic-inch, all-aluminum engine for marine use

    All-Star 708 cid Big Block based engine?

    Were did it go?
    The exhaust design and the bellhousing dimensions are the only standards that carry over directly from the original Chevy, which means the Allstar will fit right into standard big block installations. The actual dimensions are about three inches wider, three inches longer and the same height as the standard 502, but the new engine weighs about 150 pounds less.

    Those dimensions become even more impressive when you find out that the 708-cubic-inch Allstar puts out almost 900 horsepower and more than 1,000 ft./lbs. of torque at 4,800 rpm. Did I mention that it produces those numbers on pump gas and without a turbocharger? That's right, the Allstar is naturally aspirated.

    The last information was that Merc bought the rights! Did they back shelf it with Pressure from GM?

    how about Torque eng.

    Torque Engineering Corporation designs and manufactures the largest marine gasoline production engine available. This 860 cubic inch/14 liter, aluminum,V-12 powerhouse is designed with an eye toward providing the utmost in high power output, reliable operation and a long life.

    Did the company not outlast its engines?

    Last edited by bpine; 08-28-2004 at 08:46 PM.

  2. #2
    Charter Member #927 Charter Member Payton's Avatar
    My Boats:
    1991 34' Super Hawaii
    Join Date
    Jan 2001

    Re: 708-cubic-inch, all-aluminum engine for marine use

    I understand Sterling now owns Torque. Last I heard there were working out a few issues and planned to market the engine. But that was like a year ago.

  3. #3
    Registered VIP Member Phantom1's Avatar
    My Boats:
    30' Phantom
    Join Date
    Nov 2002
    Lake Murray, SC

    Re: 708-cubic-inch, all-aluminum engine for marine use

    The Allstar website is still live-


  4. #4
    Registered jspeeddemon's Avatar
    My Boats:
    Join Date
    Nov 2000
    Continental,United States

    Alien Re: 708-cubic-inch, all-aluminum engine for marine use

    That is a super cool piece but it sure would throw off your transom hole location from standard Bravo.

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