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LWB To SWB Conversion

Discussion in 'Exterior' started by Austin Attebery, Jan 28, 2020.

  1. Austin Attebery

    Austin Attebery Junior Member

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    Location:
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    First Name:
    Austin
    Truck Year:
    1977
    Truck Model:
    C20
    Engine Size:
    350
    I just bought a 1977 C20 and i'm trying to find a template to cut my frame does anyone have any suggestions? Been looking for a C10 short bed frame but most frames are 5+ hours away from where I live. Thankyou
     
  2. ali_c20

    ali_c20 Full Access Member

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    Location:
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    First Name:
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    Truck Year:
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    Engine Size:
    350, 350
    Search for: shortening and z'ing a 1982 c10 frame at youtube, there is a series of 17 vids.

    There are also longbed to shortbed kits available.

    I wouldn't cut a good longbed but that's just my 0.02$.
     
  3. 80BrownK10

    80BrownK10 Full Access Member

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    First Name:
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    Truck Year:
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    Engine Size:
    350
    Where do you live that there isn't a short bed frame within 5 hours of you!!!!???
     
  4. TubeTruck

    TubeTruck I like anything fast enough to do something stupid

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    Location:
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    First Name:
    Denis
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    Truck Model:
    Suburban K10, GMC K15
    Engine Size:
    400ci, 350ci
    He's in California. They probably all burned
     
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  5. WFO

    WFO Full Access Member

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    You'd be better off, time, ride quality, and money wise, to just buy a short bed truck. Sell that long bed 3/4 ton to someone who needs a real truck.
     
  6. Craig 85

    Craig 85 Full Access Member

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    Just my 2 cents. California titles vehicles by frame not body. I know there are plenty of vehicles that have been converted to custom street rod frames or 4x4 frames. Technically, the vehicle should be titled as whatever the frame is. In California that means they could be required to run the smog equipment for the frame that is now in the vehicle.

    Car Fix cut down a LB C10 square body several years ago. Pretty detailed how they did it.
     
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  7. 80BrownK10

    80BrownK10 Full Access Member

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    Engine Size:
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    I don't see how there is not a short bed within 5 hours of anywhere in California!! I know it has some remote and rural parts in that state but no short bed trucks from a 14 year period?

    OP are you looking to buy one and there is not one within 5 hours or one to look at? I am sure there is a junk yard somewhere with one, or go to Walmart or Lowe's and look for one and wait and talk to the owner and ask if you could take a few measurements really quick.
     
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  8. DoubleDingo

    DoubleDingo Vacuum Leaks, The Root Of All Evil

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    First Name:
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    Truck Year:
    1981, 1965
    Truck Model:
    81-C20 Silverado Camper Special-TH400-4.10s; 65-C20 with 4:57 gears and Borg Warner Overdrive
    Engine Size:
    Carb'ed Vortec 350; 1972 L48 350
    Don't ruin a good truck. Yes it can be done, but for what reason? Just so you can say you have a short bed truck? Long beds are way better.

    Buy a short bed truck, like stated, and sell the long bed truck. I see short bed trucks all the time, some for sale that are really decent. You need to look harder.
     
  9. DoubleDingo

    DoubleDingo Vacuum Leaks, The Root Of All Evil

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    Engine Size:
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    I only like this portion of your post...
     
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  10. mcarlo86

    mcarlo86 Supporting Member Supporting Member

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    I second that.
     
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  11. DoubleDingo

    DoubleDingo Vacuum Leaks, The Root Of All Evil

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    Truck Year:
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    Engine Size:
    Carb'ed Vortec 350; 1972 L48 350
    One more thing, that truck being a C20 is much easier to smog than a C10. Do what you want, but just know we tried to talk you out of wasting your money.
     
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  12. 82Diesel

    82Diesel Full Access Member

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    Truck Year:
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    Go with the Advice the guys are saying, I went 10 Hrs, for an Engine for my LeMans... Just bcuz it was All original, Numbers matching, and 60K miles.

    It was worth it.
    But that's another Category.
     
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  13. DoubleDingo

    DoubleDingo Vacuum Leaks, The Root Of All Evil

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    Truck Year:
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    Truck Model:
    81-C20 Silverado Camper Special-TH400-4.10s; 65-C20 with 4:57 gears and Borg Warner Overdrive
    Engine Size:
    Carb'ed Vortec 350; 1972 L48 350
    Did a similar venture last August for a 292, 14 hour round trip. So it can be done OP
     
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  14. WFO

    WFO Full Access Member

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    Do you know if it being titled a 3/4 ton would allow more leeway, or would it be more restrictive?
     
  15. DoubleDingo

    DoubleDingo Vacuum Leaks, The Root Of All Evil

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    Engine Size:
    Carb'ed Vortec 350; 1972 L48 350
    I'm sure CHP would have to inspect it. Not sure if it would then be labeled a C10, or stay a C20. Personally I'd leave the C20 as-is, because if it stays a C20, you're paying commercial tags for a short bed truck. If you have to pay the commercial tags, may as well have the extra 12-ish square feet of cargo space in the bed of the truck.
     
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