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14-bolt ratio question...

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by doc70sub, Oct 18, 2002.

  1. doc70sub

    doc70sub 1/2 ton status

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    Hey Guys,
    I brought home a 14-bolt van-width rear today for my Blazer. When I removed the cover, I counted 41 teeth on the ring, the ring had 41 & 10 stamped on it, as did the pinion. Is this a 4.10 axle? Thanks!
    Doc /forums/images/graemlins/k5.gif
     
  2. dysphemism

    dysphemism 1/2 ton status

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    count the pinion just to be safe bust most likely yes. Its the ring gear teeth divided by the pinion teeth. So your pinion will have 10 teeth if it is 4.10.
     
  3. K5thatShmobs

    K5thatShmobs 1/2 ton status

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    Without a doubt its a 4.10... the third number should be the year it was manufactured.
     
  4. doc70sub

    doc70sub 1/2 ton status

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    Thanks guys!!
    D.
     

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