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  1. iflyfisher

    79 Fuel Filler

    I have a donor bed from a 79 that will be going on my 73 K20. The bed didn't come with filler pipes or hoses. I was on LMC this morning, and I believe a filler pipe from a 79-83 with a filler hose from a 79-81 is the right combination. Based on the drawing on LMC's website, the filler pipe...
  2. iflyfisher

    73 K20 Driver Side Fuel Tank Sending Unit - 1 Port or 2 Ports?

    Hi Folks, I will be removing the old bed here soon and want to replace the fuel tank sending units on both tanks while the bed is off. This truck has single port sending units on both fuel tanks. Based upon what I have read, the truck may have originally come with a two-port unit on the...
  3. iflyfisher

    Door Hinge Shims

    I picked up some donor doors for my 73 K20. I noticed in taking off the driver door the upper hinges had a single washer shim while the bottom hinge had two washers under each bolt. I put on the donor door and the vertical gap along the B pillar was still a bit wide. I moved the hinge mounted to...
  4. iflyfisher

    Forward Cab Spacers

    Need a good set of forward cab spacers for my 73 K20. Thought I would lob a query out here prior to making my own.
  5. iflyfisher

    Forward Cab Mount Spacer Length

    I am replacing the cab mount bushings on my 73 K20. The forward spacers were pretty rusted, and I hoped they would hold up to torquing down on the new poly bushings, but they did not. I am going to make some new ones, but I am wondering what the proper length should be. Both my front ones are...
  6. iflyfisher

    1973 Rear Cab Mount Removal

    I'm replacing the cab mounts on my 1973 K20 and have finished up the front cab mounts. I pulled the bolt on one of the rear mounts and saw that I will need to lift the corner by about 3" to remove the metal sleeve. I had read to replace only one corner at a time to not shift the alignment. But...
  7. iflyfisher

    Light white smoke and backfire at high RPM or under load

    Getting a ‘73 K20 running that had been parked since 2005. I rebuilt the carb, replaced the plugs and ignition wires, checked the points and condenser, and have the timing set for 4 BTDC. I also changed the oil, drained the old fuel, and ran fresh gas through the pump to push out any old gas...
  8. iflyfisher

    Retrofitting a 79-87 bed on a 73

    Hi Folks, I am starting work on my Dad’s 73 K20 Fleetside. The bed is in pretty rough shape and am mulling options. Rust is typical but not terrible. I could cut out and replace the worst sections. But I’d still be left with an inner bed banged up from years of hauling wood. I don’t think I...
  9. iflyfisher

    K20 Wheel/Tire Confirmation

    Hi Folks, I am getting my Dad's '73 K20 Custom back on road. I'll be doing some restoration, but I would also like to drive the truck while working on it. The old Sears tires are heavily cracked. I can't even imagine how old they are. The truck was last registered in 2005. The tires are 9.5 -...
  10. iflyfisher

    Hiya Folks, new owner, battery, oil, and filter recommendations

    Hi Folks, I recently inherited my Dad's 73 K20 pickup, and I think this forum may end up being a great resource! My Dad bought the truck new in 73, and I drove it all through high school. It was a farm truck used periodically, and I don't think it has been started for 5 to 10 years. My hope is...

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