Piston weight

Discussion in 'PSI Superchargers Tech Questions' started by Clayto, Jul 31, 2013.

  1. Clayto

    Clayto new

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    What's a typical piston weight and then bob weight for a 4.4675 bore hemi deal. Thanks Greg
     
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  2. max

    max Member

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    Interesting question. This would interest me also. Why no responses? Is this stuff big secrets?
     
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  3. aj481x

    aj481x Member

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    20 buttons
    769 piston
    230 pin
    300/618 rod
    59 rings
    50 bearings

    2730 B/W
     
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  4. youngtuner

    youngtuner Member

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    728 piston and 2650 bob
     
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  5. Mark Leigh

    Mark Leigh Member

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    Is that pin weight correct ?
     
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  6. aj481x

    aj481x Member

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    Yes .
     
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  7. hummel3169

    hummel3169 New Member

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    Pin Weight


    Is that 1.094 Pin Diameter? What length?
     
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    Last edited: Aug 6, 2013
  8. Mark Leigh

    Mark Leigh Member

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    It must be Ti and 1.094 then ? 3.300 long ?
     
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  9. TWD

    TWD Blown alky

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    Slightly different setup, but thought I would add it anyway.
    4.375 bore, but only minor differences.

    Piston 764
    Buttons 20
    Pin (1.156) 264
    Rings 53
    Rod 327 / 574
    Bearing 53
    Bob weight at 51% 2716
     
    #9
  10. aj481x

    aj481x Member

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    1.094" x 3.25" tapered steel, standard BAE part.
     
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  11. John byob

    John byob Member

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    Hi if ur bob weight is around 3000 ex A fuel crank and u need a crank that is 2700 fr alky, would u rebalance the crank to get it t 2700 bob weight? Just running 7;50 class? Thx
     
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  12. dw901

    dw901 New Member

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    Our Arias-CP pistons 4.467 bore weigh 649 gr.
     
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  13. John byob

    John byob Member

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    Is this nick arias?? I need them in a bore of 4.375 fr s 4.5 stroke comp height no bigger than 1.430
     
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