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Gen 1 or Gen 2???

Discussion in 'The Garage' started by fwdjunky, Jul 20, 2004.

  1. fwdjunky

    fwdjunky 1/2 ton status

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    Ok, so I just picked up an unfinished s-10/K5 hybrid from a friend. What I wanted out of it was engine, tranny and t-cases. That leaves me with a frame, springs, what I believe to be d44 front (flat top knuckles) and rear axles, and an s10 cab. All this will be for sale soon, but what I don't know is the year of the frame. The Guy I bought it from wasn't sure. Is there a definitive way to tell the difference? Oh, and if it is Gen 1, can I still use the rear springs as doners for the front of my truck (52" spring swap) ? Thanks a million guys!
     
  2. 4X4HIGH

    4X4HIGH 1 ton status Premium Member GMOTM Winner

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    The only thing that comes to mind is the engine crossmembers are different between 1st and 2nd Gens. That would be the most noticable i think. Don't ask me to explain what each looks like because its been a while since i've seen a 1st Gen crossmember, but that also doesn't mean that someone hasn't changed it to a 2nd Gen which is common place.
     
  3. jac6695

    jac6695 1/2 ton status

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    You can look for the VIN stamped into the passenger frame rail under about the seat area, maybe a bit forward. Also, are the frame rails straight? If not, then it would be a 78-up second gen frame.
     
  4. 55Willy

    55Willy 3/4 ton status

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    front spring set up is a dead giveaway.
    the front hanger is right under the body mount not off set like the 73+. also the spring rear shackle of the front springs have a stop on the drivers side to limit travel. Also spring length. 67-72 the fronts are 47" the 73+ are 49" long. Also the rear shock mounts would be a key hint. pre 73 shocks both faced forward. 73 and later are one pointed forward and one pointed back.
     
  5. BurbLover

    BurbLover 1/2 ton status

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    Also, aren't he springs perches narrower on the Gen 1?
     
  6. 55Willy

    55Willy 3/4 ton status

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    I can't remember if they were wider or narrower. The 1st gens were the same spacing as the later 1 tons.
     
  7. BurbLover

    BurbLover 1/2 ton status

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    I'm thinking narrower, by like 1.5" or something like that.
     
  8. 4X4HIGH

    4X4HIGH 1 ton status Premium Member GMOTM Winner

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    Spring spacing is the same for all blazers, subs, and trucks on the front.
     

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