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  1. 77 K20

    Off-road bumper ??

    Yeah- I had to chain up the front of the truck as the roads getting up there were a sheet of wet ice. The road also had a large drop off on the one side so there was no room for error. Those chains don't fit my current size tire anymore. Too bad- as they were the heaviest chains I could find...
  2. 77 K20

    78 K10 NP203 Shifter linkage

    I'd think your best bet would just be to hit up some of the local junk/salvage yards.
  3. 77 K20

    New guy here : 86 K10

    Welcome! I've often wondered what happened to my previous squares... then again maybe I wouldn't want to know.
  4. 77 K20

    Off-road bumper ??

    One of the members in the local off-road club is a semi professional photographer so he loves taking all kinds of pics then posts downsized versions of them with his "stamp" on them. So yes- I'm in the blue truck in both those pics. Normally no one breaks anything. Typically try to take it very...
  5. 77 K20

    Off-road bumper ??

    I ordered ORDs low profile bumper. Since I go snow wheeling I wanted a lighter weight bumper on the front. Bumper and the magnum doubler is supposed to be done around June 1. I've been waiting 8 weeks so far. :( (Not my truck) Mine in its natural habitat: High in the mountains above...
  6. 77 K20

    1976 K20 NP203 HELP! So confused!

    Maybe someone didn't assemble the axle lockout hubs properly- or they are missing parts in them. In your above post when you were turning the front driveshaft by hand were the front tires on the ground?
  7. 77 K20

    Hi There, Manu from France

    Welcome! Is it difficult to get something like that licensed over there?
  8. 77 K20

    Cracked 6" superlift front leafspring

    It is a 1" spacer that is bolted into your spring pack. If you removed that bottom leaf your truck will sit lower, but it should ride slightly nicer. If you put this zero rate in there it will raise it 1" up. You also have the option to relocated the axle front or back.
  9. 77 K20

    How Will My Square Body Look With XX Lift and XX Tires?

    I was talking about Crowsnest pass in Canada. There is an area there called Frank Slide. The slide buried a lot of the valley- so they just built the highway right thru it again. https://en.wikipedia.org/wiki/Frank_Slide I've driven thru there a lot as a kid when my parents were taking...
  10. 77 K20

    Deep desert fun

    Some great pics there. Last year when I was driving back and forth to Arizona I was often looking at all the trails that just head out into the desert and wish I had my truck instead of a rental car.
  11. 77 K20

    Warn hydraulic winch?

    Putting an update on here. I ordered ORD's front tube winch bumper. The Warn hydraulic winch has an odd bolt pattern. Won't bolt to the ORD bumper without drilling new holes. Currently looking at the Mile Marker winches. Mile Marker says they need 3.5 GPM at 1,500 psi. And they will bolt right...
  12. 77 K20

    Snow wheeling. Now I want to re-configure...

    Another trail ride yesterday. Went up and over from one valley to the next across the top of Blacktail Mountain. Very deep rutted snow from others. Last year the logging companies clearcut a few areas at the top of the mountain. I found these areas last October. The few seedling trees they...
  13. 77 K20

    What kind of lift kit would you recommend

    As far as steering correction after you do a lift you can do a drop steering arm off the steering gearbox or a raised steering arm. Some say you want the drag link parallel to the ground. That is only an accurate statement when your truck is stock height. As you raise it you leaf springs start...
  14. 77 K20

    What kind of lift kit would you recommend

    To figure out gear ratios check out this page: https://www.crankshaftcoalition.com/wiki/Gear_ratio_check#:~:text=On some ring gears, there,for a Dana 44 differential. One way to do it without popping off the diff cover is jack up the back of the truck and make a mark on a tire and on the...
  15. 77 K20

    What kind of lift kit would you recommend

    I'm in the Kalispell/Whitefish part of the state. Since the truck still needs to do some work and haul things I'd probably recommend the Tuff Country HD front springs since you have the big block and then remove the front sway bar. (*AND if you think it rides too rough you can simply remove the...
  16. 77 K20

    What kind of lift kit would you recommend

    Hey- someone else from Montana! Welcome! To offer the best advice need some more input: -What is the budget for this? Cheap as possible? There is a wide range of prices and options. -Truck still need load carrying capacity? -Looking for as soft of a ride as possible? -Any offroading? What...
  17. 77 K20

    Building a Vortec Head SBC 350

    Oh boy- this question. I bought a GM crate engine: the HT383. From GM itself it says you have to use a bypass. I did a TON of searching. Some guys said they had to, others said they didn't as they just used their heater core. I tried just the heater core bypass. (*The stock GM performance...
  18. 77 K20

    ORD rear shock mount brackets installed...

    I bought a set of those but then gave them to a friend of mine because they interfered with my 5th wheel trailer hitch bracket. :(
  19. 77 K20

    Steering Gearbox Blues

    I too had issues with rebuilds (for me it was O'Reilly Auto). It took me 3 of them to get a good 4wd steering gear. Then when it was time to do crossover steer I needed a 2wd steering box. Didn't have the $$$ at the time for PSC or Redhead (both are good) and did a bunch of research. Lares...
  20. 77 K20

    Tank replacement for EFI

    What is the sump doing when it gets hot? Pump stops? Pressure drops? Idle surges? I have their E-street TBI unit with the remote sump mounted on the passenger side between the headlight and the radiator. Haven't noticed anything out of the ordinary so far. Planning on changing out the TBI to...
  21. 77 K20

    New "Old" Daily - 8.1L

    The 8.1L is a 496 and was the replacement gas engine for the 454. I miss that engine in my old '03 Silverado. They do like using oil... it used a lot less oil switching from 5W-30 to 10W-30 synthetic.
  22. 77 K20

    Fouling issues

    Perhaps a dumb question- but are you sure the choke is opening and staying open?
  23. 77 K20

    Burnouts with a NP203 full time 4wd?

    My dad once told me a story when I was growing up how he would take his 1959 Chevy and have it roll backwards then he'd rev it up in neutral and drop it in drive. It was the only way he could do a burnout. Well- that story stuck with me and my 1978 K5 full time 4 blazer with a 400 was my first...
  24. 77 K20

    hello everyone

    Nice truck- thanks for sharing some pics with us. After years of ignoring LS engine swaps I'm now suddenly interested in them. Have you ever bothered to figure out gas mileage on that? Just curious... I've never seen those mufflers before either. Welcome to the site! :welcome:
  25. 77 K20

    Tilden Motorsports LS used engines

    So my father in law offered me his old GMC K15.(1984?) It has been sitting in a field since probably 2003? If I remember right it has the 305, and he said it ran horrible when parked. I'm sure it hasn't gotten any better. I started thinking about just putting a "generic" GM crate engine into...

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