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  1. CorvairGeek

    Buzzer for headlights

    That's a buzzer, not the optional chime. Everything should be there to plug in a chime, if you can find one. If you pull the buzzer, there should be extra terminals under it that are unused. I'm transferring my knowledge from various GM car lines of the era, so there is a remote chance that the...
  2. CorvairGeek

    Buzzer for headlights

    Does the fasten seat belt light still work? Part of the same unit and some were unusually 'fragile', IMHO.
  3. CorvairGeek

    Trans fluid change

    The OP will have a Turbo 400 if a 3 speed (probably not), and a 700R4 with 4 speed automatic. Just watch the o-ring or seal on the filter pipe in either of these transmissions. I'm a big fan over changing over the Dexron VI as GM says is fully reverse compatible.
  4. CorvairGeek

    1985 Silverado K30 w/454 correct a/c compressor??

    Excessive high pressure is a lack of cooling on the high pressure side of the system, i.e. poor air flow over the condenser, internal condenser issue, blockage, or an over charge, not a compressor problem.
  5. CorvairGeek

    What is this?

    Cool, a picture of one on the side of the 292. My '78 w/T400 didn't have one.
  6. CorvairGeek

    New dash pad from Cheyenne Pickup

    I wondered how the speaker grills were covered. That looks good!
  7. CorvairGeek

    What is this?

    That's good! I was concerned you were in for some surprises.
  8. CorvairGeek

    What is this?

    Yes, hydroboost, 1 ton system. I was guessing an engine swap too, as the fan blade is so far out of the shroud, as a BBC fan shroud is too short for a little SBC.
  9. CorvairGeek

    What is this?

    The hood springs and cowl aren't '79 either, so it may take some sorting out.
  10. CorvairGeek

    What is this?

    I wasn't sure of the purpose of the relay, but that is definitely a picture of a SBC, not a 454.
  11. CorvairGeek

    Has Anyone Bought This A/C Compressor?

    GM / Delphi sold off the rights many years ago (last model year of use is now 23 years ago), so they are 'aftermarket', no matter what label is on them. There have always been rumors about different grades of them afterwards, but it is hard to say. All I can think of (being the R4), is 'the...
  12. CorvairGeek

    Is This (Crappy) Connector Necessary?

    I believe it is to make the harness 'modular' i.e. where the engine mates together with the body. Mine had gotten hot enough before replacing with crimp connectors (soldered and with heat shrink, slid inside the original plastic connector) that the 10 gauge wire was contacting the compressor...
  13. CorvairGeek

    Radio not working after sitting in garage?

    Move the AM/FM lever back and forth and see if it comes to life.
  14. CorvairGeek

    R4 to Sanden whith stock ac lines(for serpantine)

    That's a great conversion, there wasn't a GM compressor more poorly suited to a dual air Suburban than an R4, especially with R134a. I'd considered a GM V5 compressor, but the reversal of the suction and discharge ports was a problem. Do you have the compressor mounted inverted with the...
  15. CorvairGeek

    Any one seen gauges with this??

    What year was this from? Anything in the overlay for the other two positions?
  16. CorvairGeek

    250 I6 with Offenhauser 3x2s!

    After years of delay, I'm finally starting my TBI project for my 292 L6. The stumbling block for me was always $300+ for a manifold. Finally found a deal on a nice, used one.
  17. CorvairGeek

    Is my AC compressor sized up?

    If turning it on nearly stalls the engine, and all is good when turning it off, it is internal to the compressor. The pulley bearing would be an issue any time the engine is turning.
  18. CorvairGeek

    Need opinions: DIY TBI Tuning

    I'm following this one with great enthusiasm. I finally got an Edelbrock intake manifold for my 292. I plan to run a '427' ECM with 2.8 / 3.1L TBI using 305 injectors. I'm no novice at electronics and computers, but I know I will have a lot to learn with tuning.
  19. CorvairGeek

    1982 250 4.1l inline six stalls when coming to a stop

    Funny some of combos that could be put together back then. I'm not sure when PB became standard in 3/4 and 1 Tons, but they were an option in a 2WD 1/2 ton at least through '85.
  20. CorvairGeek

    1982 250 4.1l inline six stalls when coming to a stop

    The OP says it is a 1 barrel, but 250s in '82 were integral heads w/ progressive 2 barrels, so it may have been changed around with unknown parts. If it is still the 2 barrel, they were known for thottle shaft wear issues causing idle issues.
  21. CorvairGeek

    1982 250 4.1l inline six stalls when coming to a stop

    The goofy Chevy dealer in Daytona Beach was still selling base trucks in '85 with PS, auto, A/C, radio and manual brakes!
  22. CorvairGeek

    Ball Joint Advice

    The lower ball joints carry the load in that design, so they do wear faster than the uppers. If you lift at the lower A-arm, you can tell a lot more than when is at full travel, as when lifted only at the frame of the car. I could hear mine years ago. I was shocked at how loose and rough the...
  23. CorvairGeek

    Any good hacks/upgrades you've come up with for our trucks

    GM has a habit of recycling designs through out car lines, all 4 terminal seat belt buzzers / chimes have the same pin out (through '84). I have a B-body seat belt chime plugged in where the original seat belt buzzer was. There are 3 extra leads off the module, one hooked to the dash lights at...
  24. CorvairGeek

    Flasher relay

    Steering column contact issues in the N cars, IIRC.
  25. CorvairGeek

    ‘89 Caprice Mini Thread

    I had studied the shop manual a lot too, with a meter taking measurements on the board and contacts. There is a contact that sticks out the back of the pulse board that didn't seem to be addressed by the FSM either. The pulse board is actually quite simple and only has about 50 cents worth of...

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