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Hope you 69-72 guys can help me with Brakes

Discussion in '1969-1972 K5 Blazer | Truck | Suburban' started by Grim-Reaper, Jul 26, 2001.

  1. Grim-Reaper

    Grim-Reaper 3/4 ton status Author

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    Ok I am looking at buying a 70 2wd Sub. It has drum brakes all the way around (ick) and it's 6 lug 2wd. Disc brakes were never 6 lug and it seems the spidle and knuckle will not accept a 5 lug disc.
    Now I did a little looking around and have found several claims that I can take the saddle and A-Frames off of any 2wd truck up till 88 body change and it's pretty well a bolt on to get me front disc's. Then I just need to put a set of 2wd 5 lug axle shafts in the back to make the truck 5 lug on all 4 wheels.
    Anybody here done this conversion?

    It's not my damn planet monkey boy!
    <a target="_blank" href=http://communities.msn.com/OffroadK5s>communities.msn.com/OffroadK5s</a>

    Grim-Reaper
     
  2. Blazer1970

    Blazer1970 1/2 ton status

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    Have you ever been to <a target="_blank" href=http://67-72chevytrucks.com/board/Ultimate.cgi>http://67-72chevytrucks.com/board/Ultimate.cgi</a>? This is the best site for '67 - '72 stuff. Basically what you said above is true. The axle shafts are slightly longer on the 5 lug 12 bolts if I recall, and some people use a wider brake drum to compensate. Search or ask at the '67 - '72 board though, and you will get good info from people who have done both the front and rear.

    Tim

    70 Blazer CST 4X4 350 SM465 NP205
    87 Burb 4X4 350
    01 GMC 2500HD 4X4 Duramax/Allison
     
  3. LKJR

    LKJR 1/2 ton status

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    yes you were told correctly, you can unbolt the crossmember from 73 - 87 trucks and bolt it right up. If I remember correctly there are like 14 bolts and only 12 will line up, none the less there are 2 that won't quite line up. You'll have to either leave them out or drill.

    hope this helps

    Like em big and topless
     

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