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Thread: Speeds on donzi 26zx with 625hp ??

  1. #1
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    Speeds on donzi 26zx with 625hp ??

    Hi guys

    im installing a new engine in my donzi 26zx....mine's a 99 model, im fitting a chevy 555ci 625hp....


    wot you think ?? what speeds should i be looking at...hey i need decent speeds...

    any info would be greatly appreciated....

    thanks

  2. #2
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    A guess 75+ on the gps.

  3. #3
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    that's what im hoping for.....

    engine is gonna have over 630 ft lbs of torque @ 4300rpm.....

  4. #4
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    What Fast said. Maybe 78 or more on the good day. Pushing well into that 80's takes north of 700 hp.
    2001 35 Fountain Lightning w500 EFI's
    1973 X-18 - Merc 383 Magnum
    1974 Chris Craft Roamer with 1271 TI's

  5. #5
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    75-80 gps at or close to sea level.. Been there done that.. Mine with 625 would run about 80-81gps on a good day.. Jamie / Lakeside

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