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-   -   1980 Chevy K20 Farm Truck (https://67-72chevytrucks.com/vboard/showthread.php?t=679234)

willem445 01-30-2024 09:39 PM

Re: 1980 Chevy K20 Farm Truck
 
Had a set of 33" tires and American Racing rims that I threw on to see how 33s looked. I'm digging this combo! Just need to get new tires as these ones are shot.

https://i.imgur.com/koCs7Tcl.jpg

https://i.imgur.com/9sStPtVl.jpg

https://i.imgur.com/2TdBWRgl.jpg

https://i.imgur.com/glN19e4l.jpg

Shifty One 01-31-2024 10:37 AM

Re: 1980 Chevy K20 Farm Truck
 
Agreed, 33"s do look better. :metal:

willem445 02-04-2024 10:32 PM

Re: 1980 Chevy K20 Farm Truck
 
Some more project work for the weekend!

Rebled my brakes and master cylinder, much better but could still improve. Took it for a test spin.

https://i.imgur.com/MUfOJGHl.jpg

https://i.imgur.com/JgXkUKol.jpg

Did my first bit of rust repair. Started with something easy. Went pretty well! (can also see in pictures above)

https://i.imgur.com/wVpZxk6l.jpg

https://i.imgur.com/nJslQUBl.jpg

Today started with what I thought would be an easy job of relocating my license plate light to a more "permanent" spot (vs. zip tied lol) but ended up completely redoing my taillight wiring harness.. When I last replaced the wiring, I didn't have a proper crimper nor did I use any heat shrink. Things were already starting to corrode..

Here's the relocated license plate light.
https://i.imgur.com/JUqQw36l.jpg

Some wiring before shots:

(my "crimps" were so bad I was able to just pull most of the wires out of the butt splice, which was actually convenient because I didn't have to re-strip :lol:)
https://i.imgur.com/NhLQfcql.jpg
https://i.imgur.com/nJQyTTLl.jpg
https://i.imgur.com/sWqoCQul.jpg
https://i.imgur.com/sJ380tml.jpg

And after!
https://i.imgur.com/LQImdbQl.jpg
https://i.imgur.com/9BdpWqLl.jpg
https://i.imgur.com/zyYL76Yl.jpg
https://i.imgur.com/RfZJlVKl.jpg
https://i.imgur.com/WskEeWIl.jpg

I ran out of wireloom so I'll have to finish this week at some point.

Also bought some new tires, got two of them this weekend from Fedex. Sneak peak:
https://i.imgur.com/JHVssyWl.jpg

They are Toyo Open Country A/T III. I run BFG KO2's on my Silverado so these tires will be new to me, hoping I like them!

willem445 02-06-2024 10:38 PM

Re: 1980 Chevy K20 Farm Truck
 
New tires on on!

https://i.imgur.com/hTL2aWvl.jpg

https://i.imgur.com/n94MNyZl.jpg

https://i.imgur.com/pOPSwIwl.jpg

Getter-Done 02-06-2024 11:06 PM

Re: 1980 Chevy K20 Farm Truck
 
Quote:

Originally Posted by willem445 (Post 9283972)
New tires on!

Looking Good. :metal:

willem445 02-08-2024 11:09 PM

Re: 1980 Chevy K20 Farm Truck
 
Bunch more pictures

https://i.imgur.com/ms3cLALl.jpg

https://i.imgur.com/1qrJiRkl.jpg

https://i.imgur.com/KYpWDvZl.jpg

Added some braces for my already bent hood, hopefully prevents further bending :mm:

https://i.imgur.com/Jmlm6BDl.jpg

Shifty One 02-09-2024 11:14 AM

Re: 1980 Chevy K20 Farm Truck
 
Fantastic! :metal:

willem445 02-18-2024 09:59 PM

Re: 1980 Chevy K20 Farm Truck
 
Decent amount of progress but I've been neglecting posting updates.

Some cool pictures I got from the farm last weekend

https://i.imgur.com/jqQGUlbl.jpg

https://i.imgur.com/G0RGdZJl.jpg

Using the squarebody to scavenge some parts from my parts trucks!

https://i.imgur.com/E1aBvLXl.jpg

Rescued some emblems from the weather, not sure if I'll use these but at least they are warm and dry now!

https://i.imgur.com/hVfunTCl.jpg

I'm not a hubcap person but I know some people are so I saved those as well.

https://i.imgur.com/E96YR8Wl.jpg

willem445 02-18-2024 10:00 PM

Re: 1980 Chevy K20 Farm Truck
 
Fixed some more wiring as well. Tackled my front lighting harness, all weather sealed and improved grounds as well.

https://i.imgur.com/mJQDr8yl.jpg

https://i.imgur.com/0rJuOfsl.jpg

willem445 02-18-2024 10:03 PM

Re: 1980 Chevy K20 Farm Truck
 
Had the truck looking nice and driving.... but not anymore :waah:

Tackling some rust so got er ripped apart again.

https://i.imgur.com/hXmfeDJl.jpg

https://i.imgur.com/W8z9cJll.jpg

https://i.imgur.com/yVs8lefl.jpg

https://i.imgur.com/Yxq805Bl.jpg

https://i.imgur.com/Ml862i2l.jpg

https://i.imgur.com/cEqy0Y6l.jpg

https://i.imgur.com/Mqmldlyl.jpg

Also doing door bushings and pins. Old ones were metal on metal and sagging BAD

https://i.imgur.com/Ybigzhol.jpg

Should be all caught up now!

Getter-Done 02-18-2024 11:19 PM

Re: 1980 Chevy K20 Farm Truck
 
Great Progress. :metal:

These trucks are probably the easiest to Replace the door pins and Bushings.

justaburbn 03-05-2024 06:33 PM

Re: 1980 Chevy K20 Farm Truck
 
1 Attachment(s)
Farm trucks are cool, man! I've got an old gal myself. 81 GMC K35. 454 TH400 205 No she's not for sale. LOL... I get that all the time.

She has pushed a lot of snow in her day. She has a lot of outfits too. Right now she's wearing a gen 1 boss V plow and a forklift loadable lumber rack. She's also been known to strip off her plow and put on a camper top to do a little fishing around.

willem445 03-17-2024 08:35 PM

Re: 1980 Chevy K20 Farm Truck
 
Couple more updates. Have been working on the truck more frequently as I have a tentative goal of having it "done" by May (done as in usable again). Unfortunately, it seems any progress is negated by finding more things to fix! :waah:

Some new parts for maintenance. Trying to take care of this leaky 350 so also doing doing oil pan gasket and valve cover gaskets.

https://i.imgur.com/47DaVQZl.jpg

New body mounts as well since I've been lifting up the cab for rust repair, might as well do them while everything is apart.

https://i.imgur.com/fP87ibWl.jpg

Also doing new valve covers and air cleaner, I don't have pictures of those right now though.

Oil pan dropped, oil looked better than I was expecting!

https://i.imgur.com/nybfo1il.jpg

Had to drop the starter to get the pan off. Probably a good thing I'm doing all of this maintenance. There was a huge mouse nest packed into the starter, was working fine but probably not good for the starter!

https://i.imgur.com/DmuBb9Ll.jpg

Unfortunately when I popped off the first valve cover, I noticed two chucks of metal sitting in the head. Discovered the base of one rocker broke out, looks to have been a perfectly clean break but definitely some wear due to it.

https://i.imgur.com/x9c38qwl.jpg

https://i.imgur.com/8584pn8l.jpg

https://i.imgur.com/FoJ2YA9l.jpg

I was thinking of just swapping the one but I figured since I'll already have things torn apart, might as well do all new rockers and pushrods. Should be here Tuesday.

Since I plan on using this for towing things around, I decided to buy a good heavy duty receiver hitch rated for 1600 lb tongue and 16000 GVWR. Should be plenty enough!

https://i.imgur.com/N0qdexml.jpg

https://i.imgur.com/xfzPh3Gl.jpg

I got the 7 way trailer plug all wired in as well as a trailer brake controller (no picture right now)

https://i.imgur.com/1lpbLAjl.jpg

This hitch is way better than the factory bumper hitch. The factory brackets both broke at one point and were welded up. Ditching that junk!

Finally got the driver side floor completely welded in, not too bad but very tedious work. Hoping the other side is easier since the rust doesn't look quite as bad.

https://i.imgur.com/4NOYWeIl.jpg

Weld are improving! Really impressed with this cheap YesWelder

https://i.imgur.com/Dtc3jIPl.jpg

Since I'm waiting for parts for the engine and I'm waiting on the engine to pull the bed to finish the cab corners, I decided to start rust repair on the bed.

https://i.imgur.com/uvssF0Kl.jpg

Not a fan of removing spot welds but getting more efficient at it!

https://i.imgur.com/eIRDP12l.jpg

Here is the side all cleaned up:

https://i.imgur.com/wM0Yq4tl.jpg

The inner fender panel is solid but has some really bad pitting, this is a bed from a '75. Looks like they improved the design later on by adding some slots for draining. I tossed around the idea of just throwing some Rustoleum on the pitting but I figured I might as well buy the patch panel and replace it while I've already got the bed cut apart...

I also decided to buy another 7 wire plug to add inside the bed. Eventually I plan on adding a gooseneck hitch to pull a stock trailer. Figured it would also be easiest to do this now while it's easy to access everything.

So waiting on more parts now!

One final update. The gas tank access for this '75 was the just screw in cap style where as my tanks are set up for the later door style. So I headed out to the farm to scavenge the gas tank shields from the old bed. Was having a heck of a time getting at the bolts so I flipped the bed over. Going to be sore from that tomorrow, pretty heavy! Got what I needed though!

https://i.imgur.com/uhFo1KDl.jpg

Getter-Done 03-17-2024 09:21 PM

Re: 1980 Chevy K20 Farm Truck
 
Great Progress.:metal:

I put a 7 plug near the rear of the bed in my Square.

Great Idea of installing it while you have this open.

Shifty One 03-18-2024 10:43 AM

Re: 1980 Chevy K20 Farm Truck
 
Nice progress! I dig this truck a bunch!

willem445 04-20-2024 10:44 PM

Re: 1980 Chevy K20 Farm Truck
 
Been quite a while since I posted an update. Been busy working hard on the truck to get it "finished" before spring so I can actually use it for some work!

Rockers and pushrods installed:
https://i.imgur.com/oBPMo8pl.jpg

Got the engine maintenance done. New gaskets for oil pan and valve covers, fixed my vacuum lines (thanks to help from this forum), new air cleaner, new fan belts.
https://i.imgur.com/bcbTOYyl.jpg

Don't really have picture of body mounts but replaced front cab and radiator mounts. The rears were feeling pretty frozen and didn't want to break off another bolt...
https://i.imgur.com/N8RMohBl.jpg

Got the filler neck mounted up, getting rid of the hole I cut in the bed side!
https://i.imgur.com/bnWaducl.jpg

Some rust repair:
https://i.imgur.com/is0v4HHl.jpg

https://i.imgur.com/4I3y3vil.jpg

https://i.imgur.com/TUGt04dl.jpg

https://i.imgur.com/KJFBr7zl.jpg

https://i.imgur.com/LZy7Be3l.jpg

https://i.imgur.com/WidwlTul.jpg

https://i.imgur.com/4FUSeyHl.jpg

I also replaced the front grille with a 73-74 style grille. I go back and forth on the grille style I like most but settled on 73-74. This truck really is a hodge podge of many different years lol

Which leads me today.... finally finished what I had planned and is back to road worthy! I still need to finish up some welding and do the cab corner but I was getting so stressed out trying to get it done but I'm considering this "done".

Did some test driving today, took the family for a ride and even pulled my 20' flatbed to test the brake controller. Everything is working! Huge relief!!!!!

https://i.imgur.com/ihWNOrAl.jpg

https://i.imgur.com/vAj728Ol.jpg

https://i.imgur.com/FflWbYEl.jpg

https://i.imgur.com/gAMZmaXl.jpg

https://i.imgur.com/IR1na9el.jpg

https://i.imgur.com/A2KO0RXl.jpg

Getter-Done 04-21-2024 10:53 AM

Re: 1980 Chevy K20 Farm Truck
 
Nice work.:metal:

I had a 78 with parts from 75 to 86.

My FIL asked me what year it was the first time he seen it.;)

I quickly said (Which Part) ? :lol:

The 73 - 74 grills are Definitely the toughest grills.

You rarely see one chipped or broken.

Great work on the gas door also.

jerry moss 04-21-2024 11:50 AM

Re: 1980 Chevy K20 Farm Truck
 
you have been busy and it is looking good , keep up the good work AND posting progress pics too.


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