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Granddad’s ‘73 C20

Discussion in '2wd Pick-Ups C/R 20 2500 C/R 30 3500' started by MTCowpoke22, Sep 28, 2020.

  1. MTCowpoke22

    MTCowpoke22 Junior Member

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    Location:
    Northeast Montana
    First Name:
    Tim
    Truck Year:
    1973
    Truck Model:
    C20 Cheyenne Super
    Engine Size:
    350
    Starting this thread for my ‘73 C20 Cheyenne Super. It was my grandfather’s, the only Chevy he ever owned. I remember driving it growing up and have honestly thought the wood paneling is the ugliest thing I’ve ever seen on a vehicle. He drove it on the farm right up until he went into the nursing home in 2016. It’s sat next to his shop since then. Someday I will do an actual rebuild and restoration, but for now the plan is to get it to where it’s my daily driver.
    You can see what shape it’s in in the pics. The body is what it is. The interior is in good shape, and best of all, NO MICE!!! Under the hood, however, the rabbits have chewed up the plug wires, everything is coated in that nasty black sludge, and who knows what all the wiring looks like.
    So far, I’ve replaced the plugs and plug wires, air filter, changed the oil, drained the gas and antifreeze, replaced the starter, and installed a new battery. It’s going to nEd a tune up and maybe some gaskets replaced, but runs strong. I stole wheels and tires off a ‘74 Scottsdale at my folks’s farm and drove it the 30+ miles to town.
    The blinker switch was broken, so I replaced it. Next is going through the lights and wiring, replacing the ignition switch, replacing the head gaskets, fixing a broken window, and deciding what to do with the power steering pump that leaks something terrible. Thanks for following along, and feel free to offer and advice or constructive criticism as you feel needed. 87E69BB3-2A99-4147-AC8A-DA84A09D9D82.jpeg 27B16078-5491-4487-9854-D82831364426.jpeg 1E1E4B0E-29A1-423E-8144-E0FCF02270EF.jpeg FEAF8AA3-CA61-4CD0-95A4-85BFF657E968.jpeg 2ED788BA-D684-49FB-8C50-EC98B1226C88.jpeg
     
  2. mcarlo86

    mcarlo86 Full Access Member

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    Joined:
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    Location:
    ND
    First Name:
    Brian
    Truck Year:
    1990
    Truck Model:
    Suburban
    Engine Size:
    350
    Welcome from North Dakota. Always like seeing MT pickups that aren't rusted out heaps like they are over here. Very cool pickup! Good luck with the project.

    Say, got any pics of that '74 Scottsdale?
     
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  3. MrMarty51

    MrMarty51 Full Access Member

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    Joined:
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    Location:
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    First Name:
    Martin
    Truck Year:
    1978
    Truck Model:
    K20
    Engine Size:
    400
    Welcome to the forum MTCowpoke.
    I`m from the eastern side too, Miles City.
     
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  4. Rusty Nail

    Rusty Nail Victim of Culture

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    First Name:
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    Truck Year:
    1977,1988
    Truck Model:
    C20, K5
    Engine Size:
    350, 350
    Good start.
    I noticed you didnt mention a fuel filter..it's in the carburetor..you'll need a one inch and 5/8 wrenches.

    That dashpad makes me horny a little. Just sayin.
    If / when you replace the head gsskets you can have a nice bump in power/compression simply by using "shim" gaskets with no other changes. I'd buy new head bolts too.
     
    Last edited: Oct 2, 2020
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  5. Catbox

    Catbox Full Access Member

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    First Name:
    Peter
    Truck Year:
    1979
    Truck Model:
    C20 Silverado Camper Special
    Engine Size:
    461
    Looks like a good place to start.
    Cool history on it as well being from the family and all.
     
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  6. MTCowpoke22

    MTCowpoke22 Junior Member

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    Location:
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    First Name:
    Tim
    Truck Year:
    1973
    Truck Model:
    C20 Cheyenne Super
    Engine Size:
    350
    I'll get take some next time I'm out there.
     
  7. MTCowpoke22

    MTCowpoke22 Junior Member

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    Joined:
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    Location:
    Northeast Montana
    First Name:
    Tim
    Truck Year:
    1973
    Truck Model:
    C20 Cheyenne Super
    Engine Size:
    350
    Thank you. I'm up above the Highline in Scobey.
     
  8. MTCowpoke22

    MTCowpoke22 Junior Member

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    Joined:
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    Location:
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    First Name:
    Tim
    Truck Year:
    1973
    Truck Model:
    C20 Cheyenne Super
    Engine Size:
    350
    I did change out the fuel filter, but forgot to mention it. It wasn't the easiest thing to get it lined back up and started without stripping threads, but with enough patience and prying, I got the fuel line back on. And thanks for the advice about the head gaskets. I'll have to check into those.
     
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  9. Rusty Nail

    Rusty Nail Victim of Culture

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    Truck Year:
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    Truck Model:
    C20, K5
    Engine Size:
    350, 350
    If you were to search within this msb long enough you could find the FelPro part number for shim gaskets. Somebody may chime in and know it off the top of their head..but I dont today.

    *edit*

    It's #1094 right? Haha I think so. :waytogo:
    There ya go even the part number. Hellofadeal.
    I use felpro "brush on gasket sealer" around the water passages - lightly on both sides.
    Hope this helps!
     
    Last edited: Sep 30, 2020
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  10. SDJunkMan

    SDJunkMan Full Access Member

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    First Name:
    Jeff
    Truck Year:
    1978
    Truck Model:
    K10
    Engine Size:
    350
    Welcome from the Black Hills of South Dakota. Nice looking truck and great family history on it.
     
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  11. MTCowpoke22

    MTCowpoke22 Junior Member

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    Joined:
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    First Name:
    Tim
    Truck Year:
    1973
    Truck Model:
    C20 Cheyenne Super
    Engine Size:
    350
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  12. Rusty Nail

    Rusty Nail Victim of Culture

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    Engine Size:
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    Damn thats a fine lookin truck.

    How about an update to this thread yo?
     
  13. MTCowpoke22

    MTCowpoke22 Junior Member

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    Location:
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    First Name:
    Tim
    Truck Year:
    1973
    Truck Model:
    C20 Cheyenne Super
    Engine Size:
    350
    I’ve been working on getting all the lights working. Some work, some have burned out bulbs, and some have chewed up wires. But a bigger issue is that the blinker switch was broken. So, I dug into the steering column and got the broken switch out. I also got into the parts pickup and stole the needed switch. I thought I could put it back together without the spring compressor, by using clamps and spacers. All I can say is SPEND THE $15 TO GET THE DAMN TOOL!!! I got it back together, but something further down the column broke so the wheel has tons of play in it, and I bent up the steel plate that holds the spring in. And theN the switch shorted out against something Inside the column. I now own the spring compressor and the pin puller. I ordered a brand new blinker switch, and a few other parts. I’m going to try to use the plate out of the ‘74. You can see some of what I’m doing in the pics. I kept taking the column apart to see what else is broke. I’m down to those 4 Bolts everyone talks about. They seem solid, so I’m reading up on the thread here and checking out YouTube for other potential issues. I’ll probably be talking to a few buddies who do restoration work to see what they think. Hopefully I’ll get it back together correctly soon. The other light issues are easy fixes.

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  14. Rusty Nail

    Rusty Nail Victim of Culture

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    Truck Year:
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    Truck Model:
    C20, K5
    Engine Size:
    350, 350
    Dude. Whatta chore. :(
    Good pix!
     
  15. MTCowpoke22

    MTCowpoke22 Junior Member

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    Location:
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    First Name:
    Tim
    Truck Year:
    1973
    Truck Model:
    C20 Cheyenne Super
    Engine Size:
    350
    So, turns out those four bolts were still tight and I was putting the upper bearing in backwards. Got it put back together to the point where the spring goes in. I’ve got a new plate coming to replace the one I bent. However, I now found another issue. The wire connector for the new blinker switch doesn’t match up with the stock connector under the dash. The old one is 3 13/16” long, while the new one, # TW45 from Rock Auto, is 4 1/4”. Anyone have this problem before? What part number is the correct replacement? Or where can I find it? Thanks in advance!!!

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