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Unknown front diff

Discussion in 'Trucks and Trailers' started by Bungy, Sep 15, 2000.

  1. Bungy

    Bungy LawnSite Member
    from MN
    Posts: 16

    How can I tell the difference between a GM 10 bolt front diff and a Dana 44? I have a 78 Chevy K-20. It has heavy duty everything. The rear diff is a GM 14 bolt with 10.5" ring gear. Also how difficult is it to change a np203 to part-time? Any input would be appreciated. Thanx, Bungy
     
  2. Alan

    Alan Member
    Posts: 1,185

    Look on the casting where the housing attaches to the axle tubes, next to the cover. I can't remember which side of the housing it's on but Dana will ahve the model number cast in there somewhere. I think it's on the upper right side, facing the cover, in the web that reinforces teh housing at that point. It's clearly visible at any rate.
     
  3. mycave

    mycave LawnSite Member
    Posts: 34

    Chucks chevy trucks has a picture of a dana 44.
     
  4. fran

    fran LawnSite Member
    from iowa
    Posts: 13

    I BOUGHT A CONVERSION KIT FROM JC WHITNEY, MADE BY MILE MARKER, IT COST $115 I THINK IT ALSO COMES WITH NEW LOCKOUTS, VERY EASY TO INSTALL, YOU DON'T EVEN HAVE TO REMOVE THE CASE JUST THE TAILHOUSING.
     
  5. Chuck Smith

    Chuck Smith LawnSite Senior Member
    Posts: 849

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