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  1. Blue Ox

    I never knew how hot P/S fluid gets. New conversion. Pic's inside.

    When you think about how these systems operate it's amazing they don't all cook themselves. That pump is just jamming all the volume it can make against a regulator which calls for full system pressure all the time and dumps the rest right back into the reservoir. Most high pressure systems...
  2. Blue Ox

    Air in fuel lines after sitting over night on 6.2

    Well, it looks like Stanadyne has abandoned the product, but I can give you part numbers for the O-ring and screws. Also there's a service bulletin about the screws. I'll have to do more digging on some of this, but the O-ring P/N is 22591 and the screws are P/N 22953
  3. Blue Ox

    Air in fuel lines after sitting over night on 6.2

    There are no O-rings on the bleeders. The screws have rubber tips for sealing. I'll get you the info on the vacuum sensor O-ring and the bleeder screws when I get to work on Monday. BTW, since the fuel filter is pressurized, if there's an issue it will usually leak fuel while the engine is running.
  4. Blue Ox

    Air in fuel lines after sitting over night on 6.2

    Correct.
  5. Blue Ox

    Air in fuel lines after sitting over night on 6.2

    Right, but it's the vacuum sensor. Just an O-ring. Easy fix. Don't condemn the box filter itself. It's actually a fairly well thought out piece.
  6. Blue Ox

    Air in fuel lines after sitting over night on 6.2

    What's likely happening is an air bubble is developing because of a leak or drainback issue and it ends up at the highest point which is normally fhe fuel filter. You're starting up on fuel that is in the injection pump, then sucking ths bubble into the system which stalls it. Needless to say...
  7. Blue Ox

    What is this? (LSPV Valve)

    @Keith Seymore would be the guy to access the records for your truck and see what valves were used.
  8. Blue Ox

    What have you done to your square lately??

    Right.
  9. Blue Ox

    Proportioning valve vs. load sensing valve

    The installation was based on dimensions. That little plastic tab on the shaft was actually a sacrificial install tool. The tab was aligned with the arm, then broken off when things moved. Basically there's a cam that the shaft moves that either allows the valve to move with brake application...
  10. Blue Ox

    What have you done to your square lately??

    Thank you. You give me hope that I can make my formerly Little Red, currently chalked-out-pink Corvette look acceptable before the wife sees it.
  11. Blue Ox

    Proportioning valve vs. load sensing valve

    Your truck, your call, but without it my rear brakes would lock violently under anything more than gentile brake application. YMMV. P.S. If you do remove it, I'd take it off your hands. They're scarcer than an honest politician.
  12. Blue Ox

    Proportioning valve vs. load sensing valve

    Bleed them some more. Neither of those valves will make the brake pedal go to the floor. The load sensing valve is an extra proportioning valve with a on/off switch. It's either proportioning, or it's not depending on ride height. I hope you made a note of the position of the shaft in...
  13. Blue Ox

    New For Me 1985 Silverado 20 6.2 Diesel

    Power Service, Alliant Power, Stanadyne,... Any of those is fine. I hear that Howe's is good too. Never worked with that particular brand, but I've heard good things.
  14. Blue Ox

    New For Me 1985 Silverado 20 6.2 Diesel

    Plugging it in is not going to help because the sock plugs up in the tank. The only fix at that point is warming up the tank itself. Additives will help lower the temp where gelling occurs. When I've had the misfortune, it was at about 15°. But additives need to be added when the fuel is above...
  15. Blue Ox

    New For Me 1985 Silverado 20 6.2 Diesel

    Oh lookey! It turns out I do have the part number: The end of the strainer has the valve. It looks like a fuel pump check valve, just oriented so that suction will pull it open.
  16. Blue Ox

    What have you done to your square lately??

    Pics of new install? Did they custom bend, or get a kit? Stainless? Not that I can drive my truck all the way to you, but I'd like to find a shop that can duplicate my factory pipes in stainless. These Walker things just don't last.
  17. Blue Ox

    New For Me 1985 Silverado 20 6.2 Diesel

    If it gets cold where you are, the diesels had a pickup sock with a relief valve for when the fuel gels up. You're going to want that. I don't know the part number offhand, but I'll see if I have one at the shop so I can get a picture for you.
  18. Blue Ox

    What have you done to your square lately??

    It seems like almost every boatyard around here has a truck with a front hitch. It sure makes jockeying the trailers around a lot easier.
  19. Blue Ox

    Is this bad? Turbo question

    Some oil is acceptable and normal. It also depends on your crankcase ventilation. If you have a road-draft tube I'd say it's too much, but if it vents to the intake it may be okay. The only way to be 100% sure is to pull the compressor wheel off and look at the back side. If you do that, make...
  20. Blue Ox

    Sad Discovery: GM 10 Bolt Fails

    That's why many of those trucks had a extra load sensing proportioning valve linked to the rear axle. They're not available anymore, but if you can't find a serviceable used one you could probably add a manual adjustable valve for when you're running unloaded.
  21. Blue Ox

    What new tools have you got lately?

    We replaced the flouescents at the shop with 4 and 8 ft LEDs. The 8 ft were from Home Depot, the 4 ft from SuperbrightlLEDs.com We did some homework before we decided on what to use in our building. If you use a ballast you're not going to see the kind of significant energy savings an LED is...
  22. Blue Ox

    Break Lines for 6 inch Lift Front

    B-R-A-K-E ;)
  23. Blue Ox

    Planing to lift chassis 84 Suburban

    The front body mounts for the rad support are through bolted. You'll have to remove the grille, but it's easy enough to access.
  24. Blue Ox

    Is this bad? Turbo question

    Just the picture then. Got it. It just looks really gray in the pic.
  25. Blue Ox

    Is this bad? Turbo question

    This had me scratching my head for a bit, but I think I finally see what is going on here. That compressor housing IIRC has a two piece design so air on the pressure side can vent back to the inlet side. That's why we're not seeing oil all the way out to the end of the intake like you would...

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