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  1. CorvairGeek

    Inline 6 devac

    It is an integral head, and the vacuum and piping on top is the Pulse AIR system. I think there is an integral head valve cover without the Pulse AIR system. They would be '75 to '78-ish. Keep in mind the integral heads are known for cracking, so it may need to go away all together. Some people...
  2. CorvairGeek

    Power Steering pump

    You can 'rent' the tool to remove/install the pulley from the chain stores. I've resealed quite a number of them, some just because they were off as a preventive measure.
  3. CorvairGeek

    Rattle noise from A/C compressor

    The funny part of this is, Corvettes have passenger's side compressor mounting! I knew about the hardware issue with R4s with driver's side mounts. The spacers/washers look a bit cobbled up, so I can see how it happened. Never thought about it with the Corvette mount.
  4. CorvairGeek

    6.5 Turbo reliability for an RV?

    A turbo 6.5 even has the dreaded nylon coated, pot metal wonder? I've got a friend (original owner) of a '92 3/4 ton w/100K miles (looks like new). He has the radiator out at the moment, I suggested a new water pump, since it is original. Never thought about the timing gear.
  5. CorvairGeek

    Wiring mystery - one unexplained dark green wire left from inline 6 to 350 swap

    You are quite welcome. The "metal temp switches" can drive people crazy too when they malfunction. A sudden overheat gets most peoples attention, but may not be the easiest to reproduce.
  6. CorvairGeek

    Wiring mystery - one unexplained dark green wire left from inline 6 to 350 swap

    GM commonly used 2 temp wires on some inline engines, even with a temp gauge. The standard sending unit was wired in parallel with a temp switch with gauges. This allowed the temp switch (sometimes called the metal temp switch) to peg the gauge in the event of an overheat too. Same idea with...
  7. CorvairGeek

    How much does your square body weigh?

    The scrap yard claimed 4600 with my C20 empty. It does have PS, A/C and a T400. It has HD brakes, which are 1 ton without Hydroboost. Don't recall how much fuel.
  8. CorvairGeek

    PLEASE HELP WITH THIS 250

    Just to clarify, that is the unique passenger's side mount on a 292. Everything else (194, 230, 250) mounts in the middle of the block where the fuel pump is on the 292.
  9. CorvairGeek

    oil pressure switch

    I had one do exactly that earlier in the year. This was a replacement for another (same brand - Warrantied) that leaked and always made the oil pressure light turn on until the engine lost pressure, AFTER the switch was turned off. This replacement did the same thing, until it left me stranded...
  10. CorvairGeek

    Delco GM Radio identification model for restoration

    The radios just going dead is a common failure. IiRC, no power on the extra connector just makes the radio lose the time for the clock and the radio presets. It will still operate normally with the ignition turned to 'run'.
  11. CorvairGeek

    Delco GM Radio identification model for restoration

    The extra, 2 wire connector is constant 12V for memory, IIRC. There was no constant power in the main connector of that vintage.
  12. CorvairGeek

    What is this and what does it do?

    I don't think it is an EGR solenoid, but I really don't know. Does the truck still have a vacuum diagram?
  13. CorvairGeek

    Air conditioning

    Is it possible the lines are reversed at the condenser, like happens on the GMT400 trucks? My 292 L6 system is so different from a V8, I don't recall if reversal is possible.
  14. CorvairGeek

    What is this and what does it do?

    Appears to be a vacuum switching solenoid that is missing a vacuum line.
  15. CorvairGeek

    What is this and what does it do?

    I'm guessing we are looking at an Electronic Spark Control (knock) module. This one happens to be TBI.
  16. CorvairGeek

    Fm radio not working

    The AM/FM slide switch is very prone to getting electrically 'dirty' on my '84 w/cassette unit. I occasionally have needed to slide / click it back and forth multiple times when it hasn't been used in a long time.
  17. CorvairGeek

    Poll -Would doing a LS swap in a CLEAN 1987 V10 INCREASE to DECREASE VALUE?

    DO IT:cheers: The rest of the vehicle is still attached to the L86, so just another family truckster. I just had no idea how they screamed!
  18. CorvairGeek

    Show your daily driver

    Still have my old ones (really need to sell the Caprice) https://www.gmsquarebody.com/threads/show-your-daily-driver.31126/ but I've had a new one for going on a year. Not at all an SUV person, but this (2019, 17K miles) is handy with my two spinal surgeries this year. The 6.2L screams and gets...
  19. CorvairGeek

    Poll -Would doing a LS swap in a CLEAN 1987 V10 INCREASE to DECREASE VALUE?

    As much as I hate to say it, my Gen 1 seems like a flat head Ford after owning an L86 (LT, 6.2L). I need to post a pic as my daily driver.
  20. CorvairGeek

    New from Idaho

    Welcome from the Treasure Valley!
  21. CorvairGeek

    Factory AC compressor hose connection

    I've got a new hose set and a very late Dephi service compressor. I had a pic where you could see the washer colors, but I can't seem to find it. I want to say I needed a yellow and green. Getting the manifold flat against the compressor is the object of this exercise.
  22. CorvairGeek

    Factory AC compressor hose connection

    You may need the crackhead AC Delco sealing washer chart, if you have a newer hose set or a compressor without the relief for the big o-rings (which were universal for decades).
  23. CorvairGeek

    Name this part

    The size and bracket look like a cruise control module to me. I'm used to them being black, but I can't say I know what a 6.2L glow plug controller looks like.
  24. CorvairGeek

    Name this part

    Does it have cruise control?
  25. CorvairGeek

    Meet my '79 C30 Custom.

    Welcome from a fellow 292 owner!

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