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  1. black90sport

    OBS Upper/Lowers and Coilovers

    I am getting my list together to create a budget and haven't had any luck finding a kit with Upper and Lower Control arms with Coilovers. I know there are coilovers for the OBS trucks but would love to get an all in one kit for the front. Am I missing it or are there simply none out there? I...
  2. black90sport

    New Frame, looking for opinions and options

    After years of searching I finally found one and when I got there it was what I expected. Don't get me wrong, I'm not sure too much of the rear end suspension will stay, but the frame is straight and rust free, the body mounts are better then any other frame I have looked at and its exactly...
  3. black90sport

    Frame Differences Step Side vs Short Bed

    Anyone have any experience with the differences if any in the frame of a RCSB and a RC Stepside Bed Frame? Been looking for a 2wd frame for a couple years now and found one but it is a stepside. Anyone know if the frames are the same? Thanks, JB
  4. black90sport

    Brake Line Blew Out looking for info

    1990 K 1500 RCSB, was driving to lowes at 6am this morning, pulled up to a stop sign. Came to complete stop then BOOM. Could hear and feel it, brake line litterally exploded right under the drivers door. Long story short I want to replace probably all the way from the master cylinder to the...
  5. black90sport

    Looking for radiator E-Fan combo experience

    I’m in the middle of building a bracket for LS1 fans for my 1990 K1500 5.7 but am starting to think an all in one radiator/efan combo would be a lot easier. Does anyone have recommendations on an easy drop in,wire and go product?
  6. black90sport

    Frame Swap RCSB to RCLB

    What are the frame differences for a long bed from a short bed? Couple mods for the bed mounting points and they are interchangeable or is it a whole bunch of work? Not sure if the axle is moved farther back or not.
  7. black90sport

    Belltech 6400 Drop Shackles with new bushings

    A pair of belltech 6400 drop shackles with new bushings included. Could use a wire wheel and shot of paint before going on to pretty them up. 45 shipped. Paid 20 for the bushings alone. Open to offers or trades.
  8. black90sport

    Belltech 6400 bushing question

    Is the lower bushing in the drop shackles, http://www.belltech.com/belltech-88-15-gm-silverado-sierra-1-2-ton-all-88-10-silverado-sierra-2500-3500-6400.html , the same as the factory bushings? My bolt is pretty well seized to the bushing casing and before i cut it out I want to make sure i can...
  9. black90sport

    Body Mount Replacement Questions

    So my body mounts have def seen better days. Lots of rubber degradation and rust. I am going to go ahead and replace all 4 on my 1990 K1500 RCSB. I have done some research on them already but haven't actually got to taking my truck apart to see specifics, so I have a couple questions. I am...
  10. black90sport

    Wanted: 2WD RCSB Frame, wreck free minimum rust preferred

    I live in Indianapolis and currently drive a 4WD long term plan has always been LS1 2WD. I am looking for a Reg Cab Short Bed 2WD frame to start building to swap my body over. I really dont care about what is with it or what isnt just need the frame. If anyone has one or knows of some let me...
  11. black90sport

    Extremely Long Crank, every start.

    So the truck has always seemed to have a slow crank. I always attributed it to large engine old truck. I want to see if there is anything I can do or what I should go through checking. I replaced the plugs, wires, distributor and rotor last week. No change. The truck almost always starts on...
  12. black90sport

    Minimal Maintenance done last 12 years... what to do?

    Let me start off by saying the truck only has 5000 miles in those 12 years. When I started working on it, I was in high school and it took 3 years to get it to driveable condition. Lots of cancer and transmission was blown and lots of bad body parts, brakes were garbage, driveshaft was falling...
  13. black90sport

    What is this?

    Ok, some of you may have seen my other thread about the coolant temp gauge and sensor. I am starting to piece it together but have found another oddity. I believe the part I am asking about is part of the ignition system... however what was plugged into it is what should be going to my coolant...
  14. black90sport

    Coolant sensor and coolant gauge help

    Well i had a faulty coolant gauge cause it would just float all over the place and never worked since I bought the truck. I replace the gauge hoping it would fix some problems but it just opened another bag of worms. I believe my coolant temp sending unit is worn out and needs replaced, but I...
  15. black90sport

    Black90Sport Build Log

    New to this site but have been working on OBS Trucks for a while. Long story short when I was in high school my uncle passed away and his Black 1990 K1500 Sport was left to rot. It was his baby but had fallen into a pretty bad state by the time he passed... Over 4 years of work and I restored...

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