TAD run weight

Discussion in 'Manton Push Rods Top Alcohol Tech Questions' started by Greg Clayton, Jul 18, 2018.

  1. Greg Clayton

    Greg Clayton New Member

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    What does a typical TAD in NHRA trim weight at end of run. Say with 480CI engine ?
    Thanks
     
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  2. rb0804

    rb0804 Member

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    If my math is correct 2120 would be the minimum.
     
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  3. GregM784

    GregM784 Member

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    4.4/CI?
     
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  4. rb0804

    rb0804 Member

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    Minimum weight is 2050 for a blown car with a maximum cu. in. of 466. You get banged 5 lbs per cubic inch after that. This is for a screw blower, a roots gets more cu. in. and a different overdrive package, but the particulars escape me at the moment.
     
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  5. Will Hanna

    Will Hanna We put the 'inside' in Top Alcohol
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    If your driver weighs anything north of 180, it's going to take the car being on a weight diet to make south of 2150
     
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