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  1. 77 K20

    NP203... no 4 wheel drive

    ORD has a rebuilt 205 for $1,000 but then I'd have to redo both of my new driveshafts and I'd have even less of a low range. If I'm going to re-do the driveshafts then it would be so I can get a nice very low range. Starting to lean towards just fixing or slapping another 203 in there until I...
  2. 77 K20

    NP203... no 4 wheel drive

    I thought about it- but when I priced out all the bits and pieces it came to the same price as a 4 speed Atlas transfer case. And the Atlas is smaller and lighter. (doesn't need a second crossmember added).
  3. 77 K20

    NP203... no 4 wheel drive

    Of course when I have stuff to do, work calls me in all weekend. :mad: But finally got a chance to look at it. I watched underneath as my daughter shifted it around. Both of the levers that go into the transfer case are moving. I've keep the stock linkage lubricated. I jacked up the front end...
  4. 77 K20

    NP203... no 4 wheel drive

    So a few weeks ago I was testing my new tires. Drove up and over a pass. 4wd worked fine. Put it in 2wd and drove down the 10 mile dirt road and then got on the highway. Probably 10 miles down the highway while cruising at 60 mph there was a sudden bang/clunk noise and I saw my transfer case...
  5. 77 K20

    Coolant tank keeps puking coolant

    I have a weird intake manifold for my vortec heads (P/N 7116). It has a special passageway under the carb/TBI to help warm the manifold for cold weather. I'd get a small puddle for coolant inside my manifold after the truck sat overnight. It would then burn off when the truck was started...
  6. 77 K20

    Vortex heads

    I'll throw my 2 cents in here about Vortec heads... They don't like cold weather in winter. These heads got rid of the heat passage under the carb/TBI. Ice cold intake manifold is not good for keeping fuel suspended into the incoming air. Fuel drops out, puddles on the intake manifold floor...
  7. 77 K20

    Coolant tank keeps puking coolant

    Due to a porous casting on my Edelbrock intake manifold (I even bought a second one, same issue). I dropped from a 16 lb radiator cap to something like a 8 lb? 9 lb? and do not have problems with coolant dumping into my expansion tank. It operates the same, just at a lower pressure and my...
  8. 77 K20

    Coolant tank keeps puking coolant

    Could try these: https://www.napaonline.com/en/p/BK_7001006 https://www.amazon.com/Lisle-75500-Combustion-Leak-Detector/dp/B0007ZDRUI
  9. 77 K20

    Rough country trash?

    I had 4" Rough Country front lift springs on my old '78 K10. They did ride very rough, but I didn't have much money 20+ years ago and I was a lot younger... I'm all about a smoother ride now and some articulation if you are going to do off roading. I'd recommend the Tuff Country EZ ride front...
  10. 77 K20

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

    So am I.... I've spent most of the year traveling and just finally got home. Arizona, Minnesota, back to Arizona, then 2.5 hours south of my house for Thanksgiving week. There isn't much snow around here yet... needs to start snowing! Today I finally got enough time to get my CO2 bottle filled...
  11. 77 K20

    VW Atlas Cross Sport

    I've had a lot of Audis and VW. Currently have 2 of the Touaregs. On my older 07 touareg the front wheels like to hold onto the center hub- so I cleaned the hubs up and put just a little bit of anti-seize on the hub. The wheels do not stick anymore.
  12. 77 K20

    VW Atlas Cross Sport

    In the spare tire kit they have a plastic threaded insert that when you remove the first lug bolt from the top part of the wheel you thread that in. It then becomes a hanger for the wheel to hang off of. Plastic isn't the worlds strongest, so a few companies make metal ones. I keep 2 metal ones...
  13. 77 K20

    Very rough/rocky desert trail cruising

    Oh- I also forgot... if you are going to spend the whole day at speeds of 35 mph or so don't forget to air your tires down. Some guys run tires at max pressure all the time. Now it depends on your tire size and what width wheel but even dropping to lets say 20-23 psi will allow the tire to...
  14. 77 K20

    Hello From New Member

    You should move. :Big Laugh: There aren't a whole lot of them stock anymore. Sounds like you have something special there already. When you get a chance post some pics of it! Welcome!
  15. 77 K20

    Very rough/rocky desert trail cruising

    I agree with Frankenchevy- the ORD springs are quite amazing. You get up to 14 inches of travel out of them (you will need custom shock mounts to have a shock this long). I too was getting tired of getting "beat up" after long days on the trail. I've bashed my head against the steel roof of the...
  16. 77 K20

    79 k30 steering box replacement

    In case you didn't know RockAuto is a preferred vender on here and there is a 5% off code... https://www.gmsquarebody.com/forums/rockauto.38/
  17. 77 K20

    79 k30 steering box replacement

    I bought a new Lares steering gear from RockAuto. It was cheaper than Redhead Steering boxes or the PSC steering. But both of those are good also. I've only put maybe 100 miles on my Lares steering gear, so can't comment much on it. But it works so far. My previous rebuild years ago leaked 10...
  18. 77 K20

    Aluminium heads for small blocks

    Every time I have tried to save $$ it comes back and bites me in the ass. I did buy my dad a set of Edelbrock E-street heads for his 350 and he really likes them. But they come in complete at $950 or so.
  19. 77 K20

    Rear shocks

    I think there are other companies that make something similar. Or you can make them yourself: https://www.offroaddesign.com/rear-shock-brace-kit-for-73-87-91-k5-blazer-jimmy-k10-and-k20-pickup.html Would still need to weld some washers or whatnot to fix that hole first though.
  20. 77 K20

    What should high vs low idle voltage be?

    In my '77 truck it came stock with the 10si alternator. At idle and in gear at night, with the headlights on, heater and fan on, and the wipers on in the rain was pretty much too much for the alternator. Instead of buying some expensive aftermarket alternator I installed a 12si alternator and...
  21. 77 K20

    Steering Box Question - 2wd to 4wd conversion r3500 Crew Cab

    If you order the Reid Racing knuckles (they only come in orange power coat) then you can convert D44 or the GM corporate to crossover. But the knuckles cost $250 or so each. And I had to replace both sides on mine (D44)- as the tie rod drops down from up top instead of from underneath. This does...
  22. 77 K20

    Steering Box Question - 2wd to 4wd conversion r3500 Crew Cab

    As part of your order with ORD did you also order their 2wd to 4wd conversion brackets for the front suspension? https://www.offroaddesign.com/2wd-to-4wd-main-eye-conversion-brackets-for-81-87-91-gm-trucks-pair.html
  23. 77 K20

    Steering Box Question - 2wd to 4wd conversion r3500 Crew Cab

    Are you sure it is a D44? Cause by 1979 they switched from Dana over to their own GM10 bolt front axle. Some of the parts are interchangeable... just don't want you ordering a bunch of stuff before it gets there and have it not fit.
  24. 77 K20

    1987 V30 Rear Brake drum to disk conversion

    I read about rear disc brake conversions for months before trying mine. I still don't see how a lot said just slap the rear discs on and keep everything stock as it will work perfect! Maybe my definition of perfect is different than others... Or in the last 40 years some previous owners has...
  25. 77 K20

    1987 V30 Rear Brake drum to disk conversion

    When I did the rear brake conversion on mine I left the stock MC on it. Had rear brake lockup even on dry pavement. So I ordered the 60s corvette disc/disc MC. Still had rear brake lockup on dry pavement. Then I ordered "The right stuff" PV72 disc/disc combination valve. Still had rear brake...

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