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  1. Copymutt

    Read this plug?

    Any thoughts on this fouling? Only #6, all others are gas rich. Debris has a tan color.
  2. Copymutt

    Broken clutch return spring

    While replacing fouled plugs today my clutch pedal broke the attached spring. It’s not the monster spring, but a 2nd one. This clutch gets a workout as I plow multiple driveways, 9” yesterday. I’ve not found a useful diagram at LMC or the shop manual. Can’t determine the hook points. It’s...
  3. Copymutt

    Source for horn part

    Any one have a source for this horn button spring insulator. 74 K20. I really have had it w/ plastic parts. Not enough left to even determine actual size or shape. The insert seems to be usable. Bone yard will be my last option. Edited 1/2 hr. Later. I see I didn’t disassemble far enough. Broken...
  4. Copymutt

    What happens on a lake bed when it rains

    Related a story on another board about this. Son of a gun Corb Lund musta been there.
  5. Copymutt

    Dreaded ethanol carb issue.

    Been a busy summer here. Finally got a free morning to address poor performance on the K20 350. Had already done a full tune up, but still backfire and miss. Pulled the Ebrock 1406 and opened it up. Secondary circuits pretty plugged up. Soaked everything in carb cleaner, blew out all passages...
  6. Copymutt

    Factory 8 lug 16.5

    Free to anyone that can pick them up. Have 3 for sure. Should be a 4th around here somewhere. Located in SW Co.
  7. Copymutt

    Minor milestone today

    Paint on Cab and front clip completed. Mating front of bed done. Interesting factory left that area mostly primed.
  8. Copymutt

    Bed support

    Lots of metal work and paint prep to do on the bed. Had to remove it anyway to paint the back of the cab and front of the bed. Made these to park it at working height. Break down for storage as space is always at a premium around here. Thanks to Tractor Supply for all the free steel from their...
  9. Copymutt

    Heater fan

    Already scrolled thru 20+ discussions and no mention of this. 74 K20, heater control worked as its designed-low medium high speed fan. In the process of painting firewall I see the 3 wire connection at the fan box has a low resistance coil of wire between 2 leads. There’s also a cut wire going...
  10. Copymutt

    Bad dash

    Every instrument panel screw hole in my 74 K 20 dash is busted plastic. Any thoughts besides an expensive repro?
  11. Copymutt

    Shout out to suppliers.

    A big shout out to both LMC & Classic Parts. Order full cab weather stripping, window fuzzies, tail lights, arm rests, repair panels. Great turn around from both. No shortages or wrong items. Really helps move a project along when parts show up on or ahead of schedule.
  12. Copymutt

    Howdy

    Hello from Colorado. Just joined after reading the door slam fix w/ Pex. 74 K20, 350, Quadrajet, dual tanks, Flowmaster 40’s, Hooker headers, one ton springs. Bud wheels. Bought it in 78. They don’t make old iron like this anymore. Came off the scales more than once w/ 4000# load. That’s the...

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