Recent content by Blue Ox

  1. Blue Ox

    Rear Brakes Locking Up

    Just to clarify. A combination valve includes a proportioning valve. Don't know if adding another one to the equation would cause issues or not.
  2. Blue Ox

    Rear Brakes Locking Up

    Here's a wild concept. How about you take yours apart and give it a looksy. You never know what you'll find.
  3. Blue Ox

    Rear Brakes Locking Up

    It could be either way. Some of the lighter weight trucks have the front brake reservoir and piston is in the back; heavier chassis trucks seem to have the front reservoir and piston in front. Usually, the fronts have the bigger reservoir of the two. Also, they use different size fittings to...
  4. Blue Ox

    Rear Brakes Locking Up

    From the manual: Doesn't provide a lot of answers, but at least you can see what all is in there.
  5. Blue Ox

    Rear Brakes Locking Up

    There's always confusion about what these valves are and what they do. It's called a combination valve because there's three different valves in there. The front brake portion is a residual pressure valve. It allows the drums to apply first, then once a couple hundred psi have built up it...
  6. Blue Ox

    R30 front brakes

    Not necessarily. But the size of the rear drums will tell you what brake spec your truck has, which will tell you which fronts to order.
  7. Blue Ox

    Hydroboost - Hard Pedal

    I'd have to crack the manual again. It's been a long time. My recollection is the accumulator is there to maintain some braking assist in case of an engine stall or hydraulic assist system failure. So you probably could have dumped the fluid pressure with multiple brake applications. The...
  8. Blue Ox

    Hydroboost - Hard Pedal

    Hydroboosts have a pressure accumulator which usually needs to be drilled to vent accumulator pressure to make it safe. I'm glad you didn't get hurt, but next time maybe RTFM. We also have the Internet these days, you know.
  9. Blue Ox

    How does this sort of thing happen????

    I'm not in the auto repair field, but I was in the mechanical repair field, and I've seen it from both sides. I'm curious tho, what profession you're in and if there are any bad actors? Or are you living in Theory where everything is perfect? Are there rip-offs in auto repair? Sure. But...
  10. Blue Ox

    6.5 turbo into a 83 c1500

    The intake isn't a really big issue, you'll just have to be creative. The rest of the engine package is comparable to a 6.2L and in many cases, a gas engine. It's all GM.
  11. Blue Ox

    6.5 turbo into a 83 c1500

    Is your truck air conditioned? That's the first problem. Then there's exhaust. The A/C is a significant issue. The exhaust you can figure out. Most of the rest of it is one for one. Well, there's the air intake,....
  12. Blue Ox

    What new tools have you got lately?

    Not exactly a truck tool. The back popped off the wife's wristwatch. While attempting to put it back on she managed to cut the O-ring that seals the back. While I was doing my usual Amazon/eBay, "where can I get this part?" thing, a suggestion popped up for a tool kit for servicing watches...
  13. Blue Ox

    What have you done to your square lately??

    Sounds like a rear brake circuit leak to me. Look for a puddle or a drip.
  14. Blue Ox

    Hello, my name is Derek, and I have Just joined this page, trying to find some good information on working on my new 1978 k30

    Welcome, and congratulations on spelling Derek correctly. Sorry I can't help with the radio, but a pic would help the people here that can, to identify which model radio you have. Good luck.
  15. Blue Ox

    Diesel Injection Pump

    If it didn't break off flush, you might be able to Vise-Grip it and use some heat on the housing. Unfortunately, they usually break off flush. I've drilled a lot of broken screws out of those housings over the years. It's challenging because steel screw and soft aluminum with little margin for...
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