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K20 Crew Cab?

Discussion in 'The Garage' started by MOBK5, Mar 20, 2006.

  1. MOBK5

    MOBK5 1/2 ton status

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    I was at the flea market today looking for some seat covers for the blazer, and I saw a 4x4 crew cab. I went to look under it to look at a D60, because Ive only seen two in my life that were only housings. When I looked under it I saw not three but FOUR U-bolts. I though all crew cabs had 60s?
     
  2. sandawgk5

    sandawgk5 3/4 ton status

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    All K30s had Dana 60 regardless of crew cab or not. You prolly looked at a K20 crew cab which will have a Dana 44 or a 10 bolt.

    Ira
     
  3. b454rat

    b454rat 1/2 ton status Premium Member

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    Before the 60 came out in 77, CC got a 44HD. I found a CC that was sitting, and thought about getting for the front, selling it, make a buck or two. Got closer to it, had a 454, but had the 44HD. It was a 73, before the 60 came out. But I don't think that Gm made a 4wd K20 CC, thought only the 2 wheelers came that way.
     
  4. u2slow

    u2slow 1/2 ton status

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    The sales literature doesn't support a K-series crew bfore '77, and no evidence of a K20 at all.

    http://brochures.slosh.com/

    That said, dealer or upfitter mods - especially for fleet use - are very possible.

    Its also possible they were only released to foreign markets (i.e. Canada). Heck, you Americans didn't get a factory Ford crewcab until '73. :p:
     
  5. sandawgk5

    sandawgk5 3/4 ton status

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    He does not say what year it was but in his title he says K20 so it would not be a D60 regardless of the year.

    Ira
     
  6. MOBK5

    MOBK5 1/2 ton status

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    The grille was I wanna say 80 or 81. But it for sure had 4 u-bolts and 4 doors lwb. Maybe it was switched?
     
  7. nvrenuf

    nvrenuf NONE shall pass! Premium Member

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    What color was it? Regular bed or tool bed?
     
  8. MOBK5

    MOBK5 1/2 ton status

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    Just a regular white crew cab.
     
  9. K5Chris

    K5Chris 1/2 ton status

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    what do you mean 4 ubolts??
     
  10. redneckdude

    redneckdude 1/2 ton status

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    60s have 3 u bolts and 2 bolts that bolt into the housing...44s and the like have 4 u bolts.
     
  11. K5Chris

    K5Chris 1/2 ton status

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    ah i knew that. its too late to think tonight.:doah:
     
  12. tarussell

    tarussell 1/2 ton status

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    I think what John ( NVRENUF ) is getting at is that we ( as in a friend of ours ) might have already grabbed the D60 out of this truck years ago .
    The truck we are talking about was an 1981 or 1982 white K-30 Crew Cab that had a Reading box on it. When the truck was sold it had a 10 bolt put back in the front for an axle. This might not be the truck you are looking at but since you are in Mobile it could be possible. The last I ever saw of that truck was in Pensacola back in 1995 or so.
    If this truck is the same one we are thinking of John can tell you a great deal about it if needed.

    Tom
     
  13. MTBLAZER89

    MTBLAZER89 3/4 ton status Premium Member GMOTM Winner

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    I hear reference of K20 crews once in awhile. I was researching rear blocks in the early crew cabs 77-80 today and found this thread.

    Any new evidence or information on K20 crews through the years from GM.
     
  14. K85 Octane

    K85 Octane Tacklin' Fuel Premium Member GMOTM Winner

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    I'll bet it was a K30 with the D60 removed. I was always under the impression ALL crew cabs were 1 ton. Even when my father wanted to buy a new truck in '94, he asked about 4 door options, they said only 1 ton. So he got an extended cab 1500. Not until a couple years later did they come out with a non-1ton crew cab.

    But I've got no literature to back that up.
    Nice 9 year bump btw :D
     
  15. 1986K10

    1986K10 Registered Member

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    My Dad bought a brand new GMC crew-cab in 1979, it was a 3/4 ton, In old photos you can see the 2500 on the side. of course, it was a 2wd not 4wd, so it may not matter!
     
  16. b454rat

    b454rat 1/2 ton status Premium Member

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    Seen a 3/4 ton 2 wheeler, and have heard of a 3/4 ton 4wd. Can't remember what site, but there was a pic of it. Could have been a Canuk thing....
     
  17. KansasTwister

    KansasTwister 1/2 ton status

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    All ive ever came across is crew cab 3/4s were 2wds.
     
  18. thatK30guy

    thatK30guy 1 ton status Premium Member

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    I saw an 80's model crew cab 4x4 in Colorado somewhere and it had the 10 bolt front with the fender badges reading 20 on them.

    While this has been the only K20 CC I've ever seen in person I have heard about them. While not as plentiful as the C20 CC's, there are K20 CC's out there.
     
  19. blazinzuk

    blazinzuk Buzzbox voodoo Premium Member GMOTM Winner

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    There were K 20 crew cabs. I think they were popular in fleet sales. The railroad in my wife's hometown had a bunch. Straight 6 turbo 400 k 20 crew cabs. When I was first married they scrapped probably 20 of those. Very sad most had clean bodys
     
  20. USSkoval

    USSkoval Dunno? Premium Member

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    I've seen K20 crew cabs before, they were always '76 or older. I always assumed they were dealer conversions or something.

    Speaking of blocks, my '79 K30 crew cab has the tall 4x4 style spring hangers, so maybe it was only the earlier trucks that got blocks.
     

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