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Thread: why is the 572 bbc 4.5x4.5 combination not used so much?

  1. #1

    why is the 572 bbc 4.5x4.5 combination not used so much?

    It appears that engine builders advertising in the national dragster rearely if ever offer the 572 combo and I was wondering why that is. They seem to offer it in a shorter stroke larger bore, occassionaly, but mostly build around it and im curious as to why. Anyone have an opinion?

  2. #2
    Senior Member DYNO OPERATOR
    Join Date
    Feb 2006
    VA Hospital, Dallas, Tx (214 302 1924) cell-972-464-7400
    Some do use it. It is a great combination but usually everyone is trying for bigger.

    A very good frind of mine is curently builing that combination to do battle in the Bb Turbo wars in Outlaw.

    " Let all things that hath breath, praise the Lord. Praise Ye the Lord" Psalms 150 vs 6.

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