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Thread: rod length combo. how can this be figured out?

  1. #1
    Junior Member APPRENTICE
    Join Date
    Aug 2003
    Posts
    20

    rod length combo. how can this be figured out?

    how do you figure out what combo a rod length is good for. say i have a rod 6.335 what crank and cubic inch will that work with? there should be a automatic calculator on sight somewhere. standard deck bbc block

  2. #2
    Senior Member EXPERT BUILDER
    Join Date
    Jan 2005
    Posts
    336
    SORRY I MUST OF SCREWED UP SOMEWHERE AND POSTED WRONGLY....

    A STANDARD DECK HEIGHT OF BBC IS 9.800 INCHES.TAKE HALF OF THE STROKE U GONNA USE(2" FOR A STANDARD 4"STROKE OF A 454)AND ADD A PISTONS PIN HEIGHT(CENTERLINE OF THE WRIST PIN TO THE PISTON FACE) AND SUBTRACT THE DECK HEIGHT(9.800")THIS BECOMES YOUR REMAINDER.THE REMAINDER IS MAXIMUM ROD LENGTH U CAN USE....GOOD LUCK


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