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  1. Kapdin

    Modern brake controller?

    I am mostly likely going to use my 85 K20 over the winter and pulling a trailer w/Skidsteer and would like to set it up with a decent brake controller. I am just looking for opinions and first had experience with them on these old trucks.
  2. Kapdin

    73-80 454ci spec questions.

    Hey guys, just picked up another truck! We got here a 1979 GMC C25 Sierra with factory 454/TH400. I have not had the chance to own a factory 454 yet in the squares so looking for a little info. I can find all kinds of specs on 454's from 81-86, 87-95 but the 70's truck 454's are kinda tough to...
  3. Kapdin

    Factory Ram Horn Manifold?

    Hey did the "Ram-Horn" style manifolds come stock on some trucks? If so was there any rhyme or reason to which trucks got them and what years?
  4. Kapdin

    GM 14-SF Casting Number Identification help.

    It has been a long time since I have posted anything but I just picked up a nice "Mutt" of a square. So a little back story, the previous owner was told by the guy he bought it from that it was originally a 6.2l but had been replaced by a sbc350 which was fine with me and actually bought it on...
  5. Kapdin

    1988 V20 Silverado Suburban!

    Thought I would post this up for sale on here since it needs a good home! Runs and drivers GREAT, very well maintained and unmolested. The previous owned had it since 1996 and live in town and used it as his DD. This thing starts and drives like new. The only things that don't work are 1. Rear...
  6. Kapdin

    GM 8.5" 10 Bolt Cross Pin Problem!

    I am about done replacing my rear wheel bearings and seals on my 87 V10 and went to clean up my cross pin to reinstall it when I noticed this. What caused this? Also I'm having trouble finding a replacement one.
  7. Kapdin

    How to decode remanufactued engines

    Hey gents, had some time finally to tinker on my 87 this week. I replaced, temp sensor, IAC, oil pressure sensor & sender, and power steering pump & hoses. I also degreased the whole engine bay and took her down the road. She still has a idle surge but now only stumbles when its not fully...
  8. Kapdin

    87 V10 TBI 350 Questions

    Hello Gents, long time no see. I have since added a 1987 V10 Silverado to my collection of squares. How I Found Her! After A Little TLC! So I am very limited on cash at the moment so all my testing and tinkering has been very budget minded. It is completely original (as far as I can...
  9. Kapdin

    Help me fill in the blanks.

    Hey Gents, I am going to start accumulating parts for my 79 K20 single cab rebuild and I need some input from guys that have more knowledge than myself. So my goal for this truck is solely "work truck" / "weekend warrior" / "trailer hauler". The most important to me is reliability and smooth...
  10. Kapdin

    Revisiting K10 vs K20 vs K30 frame specs.

    Hello Gents! Its been a while since I've posted anything but this topic has been eating at me for a long time and since I could not Google a exact answer (contradicting answers every page I found), I assume others would like to hear what I have found. I also apologize if this has been answered...
  11. Kapdin

    Put some new shoes on my 79!

    I didn't think id like it more than the ones I had on there but I take it all back I FUGGIN LOVE these on here and the size is so perfect! (these are hand-me-downs from my brother) BEFORE AFTER
  12. Kapdin

    Just added another square to my fleet!

    Going to pick it up on Sat. $250 really cant go wrong, it has a motor and tranny and i really need the box for my 77! http://www.bismanonline.com/1978_chev_2_wheel_drive
  13. Kapdin

    What is "Napco"?

    not a square but this really intrigues me cus I know nothing about this truck. Plz some one describe this front to back for me. http://www.bismanonline.com/1969_chevy_one_ton_c_30_napco_4x4_pickup
  14. Kapdin

    Lifting my K30.

    Hey gents, just trying to put together a parts list for my K30 (mostly just to drool over at the moment). Ideal lift for me is 4" all leaf no blocks and a cadillac like ride since some day this will be my DD. But to add to that i'll be adding air bags to the rear with a on board air pump...
  15. Kapdin

    ID this np205 for me.

    Hey gents been a while since i messed with my squares but i spent an hr last sat in the junk yard and i tripped over this nice smooth np205. it has been in the grass a long time tho but its smooth and solid. That is a turbo350 attached to it. the out put spline count is 32 does that mean its a...
  16. Kapdin

    My 77 started to smoke!

    Hey guys, so i finally got some time and extra cash to do a few things to the 77 crew. I put all new front wheel bearings a seals in front in hopes that it would stop shaking above 50mph. So the next morning i took it for a test drive to work. While its better and feels more solid it still...
  17. Kapdin

    Started swapping TBI heads onto the 79!

    All right guys i did it. Im in the middle of ripping the 91 tbi heads off. I have decided that the tbi system is junk on this truck. ALLLLL the wires are brittle and chewed on and rusty and just disgusting! so I'm just going to rob the heads. But what intake do i need to get to match my...
  18. Kapdin

    Just a few Square questions!

    So i know 77 was first year of the 1 ton crew 4x4 but what was the first year for single cab k30 4x4? Second, my dad swears grandpa had a 73-74 1/2ton "camper special" is this possible? Cus i thought to be a camper special it was like a 10k gcvw?
  19. Kapdin

    camel back heads?

    So had a good customer in the store the other day and told him my 79 needs new heads. He called today to tell me he has a set of "Camel back heads" he will sell me for $350. He ran them on a 79 short bed for a few years and then parted out the truck so he know they run good. But he said they...
  20. Kapdin

    Photo's for retro!

    So i finally snagged a few photo's for retro's photo album! Im still missing a 82, a 60's and a 83 which ill add in the next day or two.
  21. Kapdin

    2-3" K30 Crew lift w/o loosing load rating?

    Is there any 2-3" all suspension lifts that will keep me around my load range? She's got 9 leaf's now and don't want to drop below 10k GCVW.
  22. Kapdin

    Difference between 4l80e bolted to a diesel and a gas?

    I was just informed that a co-worker is selling his 1993 chevy 1ton cus he dented up the body and wants to upgrade. Its a tweeked 6.5l turbo with a 4l80e reman with 7000 miles on it, he showed me the paper work too. But we would just beat it up on the farm till i wanted the tranny for the crew...
  23. Kapdin

    GMT 400 Steering Gear fit SB?

    will a 91 gmt400 steering gear mount up to my 79?
  24. Kapdin

    How can you tell if an off-idle stumble is caused by a lean or a rich condition? Carb

    spent the last hr researching q-jets. im trying to forget everything ive learned to see if im just dumb but so far ive found wat jims talking about Tech Tip #3 How can you tell if an off-idle stumble is caused by a lean or a rich condition? A carb running rich, as well as a carb running...
  25. Kapdin

    Can "carburetor" and "throttle response" be in the same sentence?

    I know im no expert on carbs but the the two quadrajets i own.....blow for response. Can they and if not what brand can? they both run great but i understand the term "Quadra-bog". Im not even talking 4bbl kick in.

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