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  1. Copymutt

    Read this plug?

    KISS principal. Previously removed and cleaned DS tank as fuel filter was plugged. Pulled 2nd filter just upstream from fuel pump, also near completely blocked. Retuned the 1403 Edelbrock. Runs decent now. I have a Holly Projection set up, never installed, exploring the adaptor now. Concept is...
  2. Copymutt

    Read this plug?

    While I won’t be doing that you are probably spot on as being a plow truck “all” it’s run time is below 2000 rpm, never gets a good blow out! That’s what happens when you use a truck like a tractor.
  3. Copymutt

    Read this plug?

    Haven’t ck’d compression, no smoke, doesn't use oil. #8 has a noisy lifter though. Heads professionally rebuilt +- 1000 miles ago. But, that was probably in 1992. I replaced all plugs. I’ll keep an eye on them. Swapped out Ebrock 1406 for a 1403 recently due to years of corn gas aging in the...
  4. Copymutt

    Read this plug?

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

    New to forum

    Welcome from SW Co. Tell us about Spearfish.
  6. Copymutt

    Broken clutch return spring

    Welded a new hook on the spring this AM. Lock washer to the rescue. Reinstalled in the most logical location. Back in business.
  7. Copymutt

    Finished up dual battery installation, working well.

    Over the decades of owning my K20 Ive run duals w/ isolator for cab over & now straight parallel to keep up w/ the electric plow controls & plow lights. The best deal Ive found on batteries is about $70.00 apiece at Wally World. Any issues and they get replaced free for up to 3 years. I keep a...
  8. Copymutt

    Muncie 4 Speed In A Truck?

    Ive run & rebuilt both M-21 & M20 in my 55. For the close ratio you need 4:11 RE or big block torque to get started in a hill.
  9. Copymutt

    Broken clutch return spring

    Thanks AuroraGirl, Yes, it’s under the dash. I see now I Didn’t make my situation clear. Truck is a 74 K20. I followed the link and it looks like my spring. Need to look again for the described attachment points. If everything agrees no problem as I can repair or modify springs. Side note, saw...
  10. 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...
  11. Copymutt

    Lifted Dually Suburban wheels/tires?

    I ran duals on my 74 for a couple years. Simple screw on fender extensions made from black 24 gauge flashing. In combo w/ the overload leafs they really settled down the roll from our 2700# Eldorado cab over. They looked tuff and got a lot of compliments. Once a month I ran to Pueblo over Wolf...
  12. Copymutt

    Venture a guess…

    Switched elec. fuel pump for those Quadrajets that leak down if not started every few days.
  13. Copymutt

    What have you done to your square lately??

    My wife would pee on that. Her way of claiming firewood.
  14. Copymutt

    Source for horn part

    Thank u. I see availability at Summit, good to go. Much thanks. Jim
  15. 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...
  16. Copymutt

    What have you done to your square lately??

    Largest panel so far. Coming along w/o warping. Darn twist lock flap disc unscrews & goes bounding across the yard when I release the air.
  17. Copymutt

    1955 Chevrolet Bel Air More Door For A 16 Year Old

    Just found this thread. Great father/ son project. Just need a decent garage to complete the dream. Here’s a shot of my 55.
  18. Copymutt

    What have you done to your square lately??

    Out if casings & arrow tips. Sorry.
  19. Copymutt

    What have you done to your square lately??

    Plastic door lock buttons died from the sun. Made cool replacements out of 30 30 cartridges. Arrow tip inserts that accept broadhead or field points mate well to the cartridge neck. Whole process took minutes. 30 06 would also work. Redrill the arrow tip receiver to 9/64,tap to match the 10 24...
  20. Copymutt

    What have you done to your square lately??

    Bed patching and dent pulling.
  21. Copymutt

    Got a weird idea for a truck bed

    Yep, found it looking for Holmes wreckers.
  22. Copymutt

    Got a weird idea for a truck bed

    Heres a version. Dont think u need the bathtub grab bars!
  23. Copymutt

    Underside of hood coating ideas?

    Removal of old undercoating is not bad using dry ice. You could cover it w/ diamond plate.
  24. Copymutt

    Upper door weatherstrip question.

    Did my 74 K20 this summer nothing xtra at the top of doors, but weatherstrip on the door from the window up & the body. No rain channels.
  25. Copymutt

    Hello from Maine

    welcome from Colorado. Weve been searching for a home down east for several years now. Unfortunately we need a great kitchen for my wife and lots of shop/ garage space for me. In our 7O’s now so ranch style is a plus. I guess the 40 yrs. we spent building what we want isn’t easily duplicated. At...

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