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Thread: 600cid in 9.8 BBC

  1. #1

    600cid in 9.8 BBC

    My friend claims he has 4.610x4.500 = 600 inches in a 9.8 Dart Big M block. I haven't seen the spare set of Ross pistons he has, but I think they should measure around 1" in height? And the rods are maybe 6.535?

    Has anybody any experience or even heard before about 600cid in short deck block? How about the pistons, how will they last with only 1" height? He has been running it about 30 runs this year and the engine has been working fine.

  2. #2
    Senior Member RACING JUNKIE
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    Re: 600cid in 9.8 BBC

    Quote Originally Posted by triniemi
    My friend claims he has 4.610x4.500 = 600 inches in a 9.8 Dart Big M block. I haven't seen the spare set of Ross pistons he has, but I think they should measure around 1" in height? And the rods are maybe 6.535?

    Has anybody any experience or even heard before about 600cid in short deck block? How about the pistons, how will they last with only 1" height? He has been running it about 30 runs this year and the engine has been working fine.
    I've heard of it before just doesnt happen much. I wouldnt want to do it tall deck and be done IMO.
    David Lanning
    IHRA NHRA 387B

    Fleenor Racing Transmission
    419-280-1406
    Lanning Electric
    Complete Drag Car Wiring
    APD Race Engines
    www.apdracing.com

  3. #3
    Shafiroff is offering now 9.8 598cid engine:

    http://www.shafiroff.com/pro/598_1065.asp

    My friends 600cid (4.610x4.500) has 6.385 rods, that's 1.42:1 rod ratio. Not that bad as it first sounds when many 632's have even little worse rod ratio (4.75 stroke, 6.700rod = 1.41:1).

  4. #4
    Senior Member RACING JUNKIE
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    May 2003
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    Coldwater, MI
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    I love that ad they have in the ND, most powerful conventional headed motor out there... :roll:
    David Lanning
    IHRA NHRA 387B

    Fleenor Racing Transmission
    419-280-1406
    Lanning Electric
    Complete Drag Car Wiring
    APD Race Engines
    www.apdracing.com

  5. #5
    Junior Member SHOW GUEST
    Join Date
    Apr 2003
    Posts
    1
    1.155 comp height


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