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  1. Juggernaut

    78 K20 4 speed interior questions

    I'm finally putting my old 78 back together and have lost or forgotten a few things I hope you can help me with. 1: what goes in the shift indicator window on trucks with 4 speed manual? Is it just a blank plate? 2: I have decided to delete the AC on this truck and I'm installing manual kick...
  2. Juggernaut

    Fuel tank selector for 78

    I ran into this problem a few years ago. I couldn't find the 6 port 1 wire. I found several 3 port 1 wire, but when I ordered them, they would come in with 5/16 fuel line fittings, even when advertised with 3/8. I finally went with the 6 port motorized switch and connector from Rock Auto. And...
  3. Juggernaut

    Precision Vent Window Program

    My biggest problem was getting the pop rivet gun to fit in the areas that needed to be riveted. The head of the gun was just too big. Some of the rivets ended up at an angle and didn't pull down all the way. I ended up cutting the pop rivets back out because I didn't like how they looked and...
  4. Juggernaut

    Precision Vent Window Program

    I used all Precision seals throughout my 78 cab. They all fit very well and I was happy with their product. As Randy said, these seals take a lot of patients on the vent wings. I would like to know how the Precision rebuild turns out.
  5. Juggernaut

    Precision Vent Window Program

    Brother's trucks has a great video on rebuilding the vent windows. My 78 windows weren't too bad. Use a LOT of silicone spray lube on them. Hardest part I found was getting the rubber seal to slide past the bend in the window. Also, don't go cheap and try using pop rivets like I did, use the...
  6. Juggernaut

    Transfer case support rod

    I can tell you I have had both combinations. My 77 K20 had the TH400 and 203 transfer case. My 75 Blazer had the TH350 and a 205 transfer case. I didn't think they were all that rare. Back in 92 I cracked the adapter on the TH 350 and NP 205 combo. The Chevy dealer had the adapter on the shelf...
  7. Juggernaut

    Transfer case support rod

    Looks like the rod I have came off a TH350/NP203. Should have marked it before throwing it on the shelf.
  8. Juggernaut

    Frame rot

    Save the money and change the brackets yourself. Hammer, chisel, and a good punch are all you need. Get the chisel under the head of the rivet and keep beating till it breaks off. Then just punch it out. Frame bolt kit from LMC is only about $20. Fix it right and seal it up good and you won't...
  9. Juggernaut

    Frame rot

    Anything can be fixed; it just depends on if you have the skill level and or want to spend the time and money to fix it. The spring hanger and hanger support are no big deal. LMC has both and they should be replaced. The frame itself is the big problem. From what I can see, it is rusted through...
  10. Juggernaut

    Transfer case support rod

    I have one. This one may have come off a TH400, but I think the 350 case is the same length. Check the measurement, should be about 30" from the forward bolt hole on the case to the transmission bolt just above the starter
  11. Juggernaut

    K10 auto to manual

    This is not a difficult swap. I'm guessing you're planning on using an SM 465? There are a few things you will have to change. If you're getting it out of a doner, make sure you get all the clutch assembly, linkages, boots, and pedal assembly. If you want reverse lights, make sure to take the...
  12. Juggernaut

    Best DIY spray liner for a long bed

    I have used Rust-oleum bed liner, Herculiner, and Raptor Liner. Of the three, the only one I would say don't use is the Rust-oleum. It didn't adhere very well and was just as easy to scrape as paint. I used the tintable Raptor liner on the body of my truck. It looked really good with 3 coats and...
  13. Juggernaut

    Best flowing muffler that'll quiet down my motor?

    I used to run a Flowmaster 40 on my mildly built 454, but the wife's constant nagging about it being too loud finally broke me down. I now have a Flowmaster 70 BB. It's very quiet at idle and low rpm, but has a great tone when you open it up. I haven't noticed any difference in power, and you...
  14. Juggernaut

    Nv4500 teardown and rebuild

    One other tricky part to the NV4500 assembly I just thought of is the first/second synchronizer. There are 4 little springs and 4 little plates that have to be compressed and the synchronizer sleeve slid up over them. I had those springs pop out and fly off several times before I finally figured...
  15. Juggernaut

    Nv4500 teardown and rebuild

    I hate seeing guys heating a bearing with a torch. It heats the bearing unevenly and there's too big a chance of damaging the cage. You should only use an induction type bearing heater, but who can afford one of those! If you don't want to try the microwave trick, you would be better off...
  16. Juggernaut

    Nv4500 teardown and rebuild

    Ok, you asked, so I'm going to tell you. But you are not going to believe me. First, dry ice is best, but if you don't have dry ice, just put the shaft in the freezer for a day. You won't be able to freeze the countershaft because the bearing goes on after installing the shaft in the housing. So...
  17. Juggernaut

    Nv4500 teardown and rebuild

    Yes, mine has the damper. I pulled it off with a cheap bearing separator from Harbor Freight. You will also need a good, heavy duty snap ring plier for removing the flat ended snap rings. There's a tapered roller with a race in a blind cavity you won't be able to remove with a punch. Best way...
  18. Juggernaut

    Nv4500 teardown and rebuild

    I rebuilt my NV4500 about 5 years ago. Used a manual from 4x4repairmanuals.com. It was one of the easiest rebuilds I have ever done. The manual was very detailed and step by step. If I had it to do over, I would have used gaskets and gasket adhesive instead of Permatex black RTV on the gasket...
  19. Juggernaut

    Steering gear rebuild - FAIL

    I'm a little late responding to this but, if you haven't replaced your pump yet, just rebuild it yourself. If you can rebuild a steering gearbox, this will be a piece of cake for you. Rock Auto has a good rebuild kit, and you don't need any special tools. Just one seal and a bunch of o-rings.
  20. Juggernaut

    Glove box issue

    You're on the right track. You already got the hard part, it took me a while to figure out the latch. Looks like you're just a little crooked, it may be pinched. Mine slid right out, although it was tight
  21. Juggernaut

    Machine gun noise when accelerate then a backfire occasionally

    Believe it or not, my 94 dually was doing the very same thing. My 454 would hammer like that then start back firing after it had been running a while. Couple times the engine died and wouldn't restart until I let it cool down, then it would start right back up. Took me a while to chase down the...
  22. Juggernaut

    Hey everyone , I'm new here and hope to be around a long while

    Welcome! I'm looking forward to seeing you picks. High in the sky is the way I like my square body. Here's a pick of my old bog truck with Rockwell 2 1/2 tons, 48" flotations, and 15" of lift
  23. Juggernaut

    Seat Belt Question

    Did they fit your original mounting locations and fasteners? Or did you have to order mounting brackets?
  24. Juggernaut

    37s on a half ton with a 12 bolt with 4.10 gears

    I feel you young man, you're exactly where I was at in 1989, trying to pay for my 78 on a Burger King salary! So here are some of the tips I learned the hard way. First, if you have any leaks, fix them. If oil can get out, water and mud can get in. Make sure ALL of your vent hoses are clear, and...
  25. Juggernaut

    14 bolt axle tubes are… coming out????!

    Should have added I cut the plug welds out with an end mill in a Bridgeport mill. I did this to change the pinion angle on my rear end due to running a 12" suspension lift and trying to improve the drive shaft angle. It was a bad idea, I went to far and changed from having u-joint problems to...

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