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  1. JD Miller

    Mud Tires

    Get some Intercos
  2. JD Miller

    How to Tell which Axles I have?

    Wow!.... so many posts on this thread have bad info or bad typos.... :shrug::eek: :popcorn: ... C'mon man ! o_O:birgits_tiredcoffee .... My 81 k20 has a 14 bolt semi float with a locker that has always worked great You da man :waytogo:
  3. JD Miller

    Square-body?

    Spud butts, and race horses
  4. JD Miller

    Why doesn't anyone use the Chevy "Connect & Cruise" packages?

    Do you want Horny Mike to Work on your truck ? :popcorn::yucky::think::Stupid Me:
  5. JD Miller

    RockAuto- 4x4 front drive shaft, '81 K20 -Rock Auto

    Ahhh.... that's too bad , :baby::bawl:
  6. JD Miller

    RockAuto- 4x4 front drive shaft, '81 K20 -Rock Auto

    That's a fact Jack Fed-X Goons broke 3 pole chain saws trying to deliver each to my house, each time returned for free, then I gave up and got my money back I guess ill see if they can fug up a drive shaft. Maybe they'll run it over with their truck and bend it
  7. JD Miller

    Factory GM ECU

    What is a ECU? Emergency Care Unit? :shrug: :eek::insane:
  8. JD Miller

    Idle timing

    Idle timing, with vacuum advance line to distributor disconnected and plugged, should be 6 degrees . not 12 That is factory spec.
  9. JD Miller

    RockAuto- 4x4 front drive shaft, '81 K20 -Rock Auto

    Well , heck that's a Damn good Deal. Im in near a small town, closets DS Shop is hunert miles away and they want $350 to just replace the slide yoke. Screw that. I'll find another shop in a bigger town or send it to my buddies shop in another state. Think Ill get the Dorman from rockauto...
  10. JD Miller

    RockAuto- 4x4 front drive shaft, '81 K20 -Rock Auto

    Aint nobody ? :shrug:.....:shrug:
  11. JD Miller

    Whatcha do with that...?

    I keep everything 'cept when I moved to a to a another state , I trashed most everything in my junk yard collection. I wish I would have kept alot of stuff, but cost of moving it seamed like a bad idea, $$$$ The goobers in my new rural area, put their old worn out parts like old brake pads...
  12. JD Miller

    HEI module dwell time.

    Really? What years models are they talking about. My 81 k20 plug gap is specs is .035 . That article is pretty vague
  13. JD Miller

    350 or LS

    350 . Just say No to computers and No to LS
  14. JD Miller

    Finding smog pump 1985 Chevy K20

    I used to have to install the smog pump and exhaust header tubes every 2-3 years for registration smog and remove it again after I passed the test, when i lived in Commiefornia. Glad I moved to a free rural state, back to America, where we have No Smog...
  15. JD Miller

    Square-body?

    Who came up with the Term Square-body and when? Ive owned my 81 since it was a few years old. I thought it was just a 1981 Chevy truck, a Silverado 4x4 k20. Then a few years ago I was told it was a called square-body...
  16. JD Miller

    1999 454 carb swap. best street carb, 600? 650? 750? CFM

    Get a Quadrajet. Its the Best Carb I have 3 , 800 Q-jets . My '81 k20 350 factory original is a 800 q-jet Built Motor has Hi-perf. heads, perf. Cam, headers, edelbrock perf. intake etc. running a 800 Q-jet with rebuild parts from Cliff Ruggles https://cliffshighperformance.com/ (Typo, 800...
  17. JD Miller

    What did you pay for a square

    I paid $6000.00 for my 1981 Chevy Silverado 4x4 K20 in 1984-85. 350/turbo 400/4:10 gears(Recent Photo in Avatar) It had 56k miles on it. Still has Original paint. I added 4" DC springs in front, 2" blocks in rear, 16x10 eagle alloy rims, 35" tires, a new hi-perf built motor, etc Current value...
  18. JD Miller

    Engine Paint Color Question

    My '81 Chevy k20 Motor was that puke Blue. New built motor is Chevy Orange
  19. JD Miller

    RockAuto- 4x4 front drive shaft, '81 K20 -Rock Auto

    Anyone bought one of the Complete front drive shafts from RockAuto? If so which one did you buy? Hows the quality? KYP $191, Trakmotive, $252 Dorman, $267 USA Standard $398 (looks Like my factory original) Cordone $234...
  20. JD Miller

    Show your daily driver

    My Daily driver be a Cummins . Gets way better fuel mileage than my Chevy K20
  21. JD Miller

    '81 K20 front drive shaft- Slip Yoke

    Has anyone replaced their loose /wobbly slip yoke? Replaced just the slip yoke , not the spline ? https://www.rockauto.com/en/moreinfo.php?pk=13949669&cc=1051917&pt=13612&jsn=639

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