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Thread: Crank pulley bolt size
          
   
   

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  1. #1
    Soldiers-rod is offline CHR Member Visit my Photo Gallery
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    Car Year, Make, Model: 69 merc monterey 2dr sports coupe specia
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    Crank pulley bolt size

     



    Had the harmonic balancer and timing cover off today replacing the chain on my 390 fe. The bolt that goes into the front of the crank shaft rolled off into the horizon to start a new life somewhere else and has left me scratching my head. Anyone have the dimensions on that bolt so that I can go pick up a replacement?
    "Caffeine is the glue that holds my macaroni picture together, nicotine is the magnet that holds it all up on the fridge."

  2. #2
    rspears's Avatar
    rspears is offline CHR Member/Contributor Visit my Photo Gallery
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    According to Summit it is a 5/8 - 18TPI chrome moly bolt. You might want to talk to one of their tech guys, or maybe a good NAPA parts guy if you have one?
    http://www.summitracing.com/parts/ARP-150-2503/
    Roger
    Enjoy the little things in life, and you may look back one day and realize that they were really the BIG things.

  3. #3
    IC2
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    The ARP catalog is my 'bible' for bolts!! http://www.arp-bolts.com/catalog/catalog.html and see page 56. They do use 5/8-18 bolts as Roger has said above. http://www.summitracing.com/parts/ARP-150-2501/
    Dave W
    I am now gone from this forum for now - finally have pulled the plug

  4. #4
    Soldiers-rod is offline CHR Member Visit my Photo Gallery
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    Thanks guys. It seems the bolt couldn't make it in Hollywood and came back home...... After I ran out and got another. I'll get some good use out of that arp catalog, so thanks for that IC2.
    "Caffeine is the glue that holds my macaroni picture together, nicotine is the magnet that holds it all up on the fridge."

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