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How to Calculate Gear Ratio wo Removing Covers

Discussion in 'Differential & Driveline' started by HotRodPC, Aug 6, 2012.

  1. HotRodPC

    HotRodPC Administrator Staff Member

    Posts:
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    Joined:
    Aug 29, 2010
    Location:
    OKC, OK
    First Name:
    HotRod
    Truck Year:
    85 K20 LWB / 86 K5
    Truck Model:
    Silverado / Silverado
    Engine Size:
    454 - Turbo 400 - 3.73 350 - 700R4 - 4.10
    No doubt. Keep your racing limited to the Yugo's and Geo's. Don't be taunting anything else. :rofl: Your poor transmission is working it's ass off. I'd be keeping your eyes open for some 4.10 axles. Many times you can find a set of used axles drum to drum for about $200-$250. Finding 4.10's in half ton axles is pretty tough, but 3.73's are out there in half ton.
    Other option is to find some 3/4 ton 8 lug axles drum to drum with 4.10's and those are pretty common. I've seen those go for $250-$325 a pair. But then you'd need new wheels and probably tires too.
     
  2. roadwolf

    roadwolf Full Access Member

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    Joined:
    Sep 6, 2011
    Location:
    France
    First Name:
    Rodolphe
    Truck Year:
    1987
    Truck Model:
    silverado 10
    Engine Size:
    5.0
    As my goal is to build a fall guy truck replica, i need the 8 lug to be acurate, the only thing that slows me is the shipping cost to France for so heavy things and also i wan"t to keep the truck light.
    In fact i am also loocking in converting my 10 bolt to 8 lugs, i know it can be done for the front, but i have not found anything for the rear and i also would like a rear disc axle/conversion.

    I know that's make lot of thing, and it's a headache between what i would like (a light ls1 powered awd squarebody) and what can be done mainly from France.

    thanks for your help
     
  3. tiredtiretodd

    tiredtiretodd Full Access Member

    Posts:
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    Joined:
    Jul 9, 2014
    Location:
    NORCAL
    First Name:
    Todd
    Truck Year:
    75
    Truck Model:
    K 25
    Engine Size:
    350
    Thanks for the link! I will try this.
     

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