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  1. Keith Seymore

    Beauty Rings/With or Without

    That's a sweet looking pickup! Looks like something I would drive. K
  2. Keith Seymore

    brake valve help

    ....
  3. Keith Seymore

    RPO not ID'd

    There are "Merchandised Options" and "Non-Merchandised Options". Merchandised options are the ones that you and your dealer know about, and appear on his order worksheet, so that you can pick them. So you might say "I want an automatic". That would be either an overdrive (MXO merchandised...
  4. Keith Seymore

    RPO not ID'd

    29U Midnight Blue is the exterior paint code (where "U" is "upper", or primary). ZY1 is single color paint scheme. The 29D and 29K reference the blue interior. The Heritage Center archive doesn't have a generic info packet for '87 Blazer (which is weird) so I don't know if it is better to...
  5. Keith Seymore

    RPO not ID'd

    They were morphing to the newer style SPID (with just the RPOs, no description). That Jimmy was built in Flint, Line 2. Funny thing is my 87 pick up was built on Flint Line 1. It shows the RPOs and noun name descriptions. Same plant, same model year, different SPID formats. K
  6. Keith Seymore

    Original Color of Inner Wheel Wells and Core Support?

    Black; not gloss. There were some very few trucks out of Janesville that were gray, but hardly worth mentioning. K
  7. Keith Seymore

    New

    Welcome from Michigan. I might have seen your Blazer get built. I started at Flint Assembly in June of 1979. K
  8. Keith Seymore

    Brake Light

    Make sure the park brake isn't on (or the pedal drooped down). K
  9. Keith Seymore

    Plate brackets

    Royal Oak Michigan. On Main St; About a block off Woodward Ave at 11 Mile rd. K
  10. Keith Seymore

    Plate brackets

    Still have this one, though.
  11. Keith Seymore

    Plate brackets

    You mean like dealer license plate frames? Mine came with a sticker. K
  12. Keith Seymore

    Proportioning Valves

    Phew. I figgered it would be me. K
  13. Keith Seymore

    73 C20 front brake issue, The right front caliper will not retract, causing the wheel to almost lock.

    "Hose becoming a check valve". Like when escalators become stairs. K
  14. Keith Seymore

    73 C20 front brake issue, The right front caliper will not retract, causing the wheel to almost lock.

    I do not know. My Chevelle was the same way. When I converted to manual brakes I made them both the same size, for convenience sake. Pressure is pressure, and exerts the same force on all sides of the vessel regardless of diameter. Maybe idiot proofing, so they don't get confused in the...
  15. Keith Seymore

    73 C20 front brake issue, The right front caliper will not retract, causing the wheel to almost lock.

    Doesn't matter. The large reservoir always feeds the front discs, regardless of how it is positioned. The small reservoir works the drums, because less fluid is required for the wheel cylinders. It's the only way it can work. K
  16. Keith Seymore

    73 C20 front brake issue, The right front caliper will not retract, causing the wheel to almost lock.

    Not in '73. Front (large) reservoir feeds front brake system. When we went to the aluminum master with the plastic reservoir it switched. But the large reservoir always feeds the front discs. K
  17. Keith Seymore

    Inline tube

    My favorite Inline Tube story: I have a friend named Denny Kloha, who is the original owner of 1967 GTO. He raced the car and twisted the driveshaft and so, disgusted, he let the car sit for many many years. So - after all these years Denny decided to restore the car. He is super meticulous...
  18. Keith Seymore

    Proportioning Valves

    I think he meant "the quality of the re-pops is all the same". At least that's what I am hoping. Because you are correct. Different GVW, wheelbase and brake systems all could have a different meter/split/slope pressures. K
  19. Keith Seymore

    1987 surburban

    Yep. K
  20. Keith Seymore

    What is the advantage of Hydro boost brakes over hydraulic?

    Hydroboost is used on those applications that don't generate enough vacuum to run the booster (like diesels). K
  21. Keith Seymore

    What type of transmission

    Yes. Saginaw. Either M62 or M64 (depending on first gear ratio). K
  22. Keith Seymore

    Trailer tires

    Subscribed. K
  23. Keith Seymore

    87 vs 89 suburban seat mounting

    Just knowing the timeframe in the vehicle lifecycle I would be 99.8% sure they are the same. I can't imagine we changed anything significant regarding seats at that point. K
  24. Keith Seymore

    I Spy A Cool GM Truck

    Engineering workload. Too much to do all at once. I think the original plan was as you described but it got delayed. K

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