What clutch for a 440?

Big Block A body Tech

  1. paulclark

    paulclark Early A fanatic FABO Gold Member

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    I'm installing a 440 in my 67 Barracuda. Do I need an 11" clutch or is the 10 1/2" adequate for street use?

    Will be a 440 w/mild street cam, HP manifolds, 3.23 gears. Street use, unlikely it will ever see the strip.

    Thanks -
     
  2. Dartnut

    Dartnut Don't hate me because i'm beautiful

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    A 10 1/2'' would work fine for your combo and intended use.
    Just make sure you get a good name brand assembly like McLeod.
     
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    • Daves69

      Daves69 Well-Known Member

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      A 10-1/2" or 10.95" (scalloped) and the 130 tooth fly wheel has been fine for 50+ years.
      upload_2021-5-28_7-41-12.png

      A real 11" and 143 tooth flywheel works also.

      Which bellhousing are you planning on using?
       
    • dano

      dano Evil Handy Man

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      Bell and Flywheel need to match. Not sure if the 11" was used in A-bodies?

      Another vote for McLeod.
       
    • paulclark

      paulclark Early A fanatic FABO Gold Member

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      Awesome good information I appreciate it.
       
    • paulclark

      paulclark Early A fanatic FABO Gold Member

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      That was why I was asking first, to figure out which bell to use.
       
    • dano

      dano Evil Handy Man

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    • Daves69

      Daves69 Well-Known Member

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      A Lakewood will handle either flywheel, 143 tooth or 130.
      A stock cast iron or aluminum will take which ever size they are designed for.

      There is a chart here that may help.................
      Mopar Transmission Tech | www.darkside.ca
       
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      • RustyRatRod

        RustyRatRod I was born on a Monday. Not last Monday. FABO Gold Member

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        Use the scalloped 10.95". That's a nice trick for the 10.5" flywheel.
         
      • 67Dart273

        67Dart273 FABO Gold Member FABO Gold Member

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        I'm not sure I agree. My 70 440-6 RR came with scallop pp and I had trouble with it. It never "really" released "clean" and I'm convinced disk material feathering off the outer edge of the disk would drag on the mounting tabs of the pp
         
      • Daves69

        Daves69 Well-Known Member

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      • RustyRatRod

        RustyRatRod I was born on a Monday. Not last Monday. FABO Gold Member

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        Clutches have come a long way since the Jurassic age. lol
         
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        • Dcuda69

          Dcuda69 Well-Known Member

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          I use a 10.5" Centerforce Dual Friction behind a 470" low deck stroker in my street 69 B'cuda. Works fine.
           
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