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  1. 5

    How is 700r4 lock up controlled in a 1984?

    1987 Jimmy, it has the vac switch next to the brake booster and 4 prong plug at the tranny. Current carb on it is a non smog/computer/elec Qjet.
  2. 5

    TCC vac line supply location

    Whoops, just saw a very recent post asking this same question for a non smog rig. Found my answer I believe, any manifold vac source, correct?
  3. 5

    TCC vac line supply location

    I have my 84' K20 with 700R4 at the trans shop (been there for weeks now) and the owner said my TCC valve/switch just to the left of the vac brake booster has a broken port for the vac hose. I know GM doesn't stock those anymore but it appears that RockA and Napa still do. Where however, does...
  4. 5

    Need pics of 700R4/NP 208 cross member

    Great info from all of you, especially the pics! My mount is the "flat" style and I took it to the trans shop today and he thinks he can make it work although he might have to drill some new holes for the actual mount. I'll report back and post some pics of what I end up with
  5. 5

    Need pics of 700R4/NP 208 cross member

    I'm putting together a basket case 1984 K20. Trans/Tcase and cross member were in the bed when I got the truck and I was told that some of the parts included in the deal were not from the original truck but were from "donor vehicles". Looking at the cross member, its NOT the W shaped version but...
  6. 5

    How is 700r4 lock up controlled in a 1984?

    The carb that was on it when I got it was a Holley 4150. I've since had "Quadrajet Power" rebuild me a Qjet so I'll have to compare numbers.
  7. 5

    How is 700r4 lock up controlled in a 1984?

    "1987" I'll have to check the options sticker under the hood to see if it was originally a 700r4 truck. I'm thinking so as I believe I've seen a 4 prong plug hanging down under the transfer case shifter.
  8. 5

    How is 700r4 lock up controlled in a 1984?

    "Old Painless", its at the trans shop now for beefed up rebuild along with them going through my np208 transfer case. Thanks for the info, I'll look up the kits you referenced.
  9. 5

    How is 700r4 lock up controlled in a 1984?

    Rebuilding a basket case 1984 K20 with the 700r4 sitting in the bed. How was lockup controlled in this era truck? Trans shop said a simple computer deal behind the glove box but i don't remember seeing anything back there when I did the heater core R&R.
  10. 5

    Any wheel lock recommendations?

    I kind of figured locks would only keep an honest guy away. Maybe I should keep some rollers to put on and leave the good tires in the conex box during the off season, or as you said, put it up on blocks.
  11. 5

    14 bolt SF, need bearing part number

    Thanks!
  12. 5

    Any wheel lock recommendations?

    My work truck sits in storage for up to 10 months a year. I'd like to keep the 1500.00 worth of rims/tires on the hubs and out of someone else's hands!! Do any of the mag wheel type of locks work worth a darn?
  13. 5

    Help with reading ring/pinion pattern

    I'm getting a head ache from looking at all those patterns! I'm working on doing "crazy's" recommendation, hopefully its as easy as move the diff to the left!
  14. 5

    4" rough country all spring lift

    Bought a basket case 1984 K20 that I'm rebuilding. I put the rough country 4" kit on it and I swear the front leaf spring pack has made it a 6-8" lift, not 4"! Stupidly i didn't think to get a measurement off of some point on the body for a reference but I may have to pull a leaf or two out get...
  15. 5

    Help with reading ring/pinion pattern

    "Crazy", thanks! That will save a ton of time of trial and error on my part. I'll proceed on with your recommendation.
  16. 5

    Help with reading ring/pinion pattern

    New to setting up gears. This is a GM 14 bolt semi float, re-gearing from 4.10 to 4.88's. This is the first try with the new set up in the differential using some "set up" bearings on the pinion with original pinion and ring gear shims. In an attempt to keep from pulling the unit out a dozen...
  17. 5

    14 bolt SF, need bearing part number

    1984 k20 axle rebuild/regear (going to 4.88's). I have the axle and carrier out and plan on swapping out the outer, axle end bearing but can't find a part number online (lots of references to the bearing but no ID of the part number), anyone have that info?
  18. 5

    2000 2500 14 bolt disc brake axle onto 1984 k20?

    I have a 14 bolt, semi float on my 1984 K20. Someone local has a 14 bolt, SF off of a 2000 2500 with disc brakes. Both are 4.10 gears and 8 bolt so..... how difficult to swap the 2000 on to my truck? Sure would like the rear discs if possible and seems like an axle swap might be easier than a...
  19. 5

    What is the brak lever assembly attached to the rear diff?

    This truck will spend the rest of its life hauling up to 4000lbs of salmon per trip off an Alaskan beach so I guess I better plan on keeping it in place as it sounds like my application is exactly what it was designed for.
  20. 5

    What is the brak lever assembly attached to the rear diff?

    Yes, that is the assembly I was referring to. I'll check into either using it with an adapter bracket or by passing it as shown in the link, Thanks!
  21. 5

    What is the brak lever assembly attached to the rear diff?

    Yep, that is the assembly that I was referring to. Does it really do what it was designed to do? I guess not if GM got rid of the design a few years later. Thanks for the info and link.
  22. 5

    What is the brak lever assembly attached to the rear diff?

    What is the brake lever assembly attached to the rear diff? I just put a Rough Country 4" spring/block kit on my K20 and it comes with some brackets to re mount the brake lever on top of the differential. Well, it doesn't seem to want to work so does anyone have a picture of the RC brackets in...
  23. 5

    Unknown 208 history, what to check for?

    Just bought a 1984 K20 project truck with 350/700r4/208. The trans and transfer case are in the bed. The 700r4 is going in this week for an overhaul and I'm thinking I need to do the same on the 208. Looks like I can get a rebuild kit and chain for a bit over 200.00. Before pursuing this...
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