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  1. Ellie Niner

    What have you done to your square lately??

    That's pretty much how mine's set up, except that the TVS for the EFE has its upper two ports inline with the lower right one, and the plastic body is grey in color. Can't remember what the part numbers are for mine, but I'll go hunting for them once I decide to tackle all of the engine...
  2. Ellie Niner

    What are you guys using for EFI fuel pressure testers?

    Right on. Thanks for the info. That one's gonna be a bit out of my price range, and it's a tool that's probably only going to see use a couple of times a year. Hoping to find something that slots in between the Chinesium toys and full on professional.
  3. Ellie Niner

    What have you done to your square lately??

    Yes, I still have the EFE connected and working on mine. I've tested the TVS with a vacuum gauge before, and its action was very positive, going from full manifold vacuum to the EFE vacuum motor on a cold start, then dropping to zero when the coolant reached the prescribed temperature... it's...
  4. Ellie Niner

    What are you guys using for EFI fuel pressure testers?

    I'm looking for a fuel pressure tester that won't sh¡t the bed the first or second time I try to use it... I have gone through a couple of Harbor Freight gauges, one of which the gauge started filling with fuel after being pressurized for a few minutes (saw someone else here mention that problem...
  5. Ellie Niner

    Headlight, driving lights.

    @SirRobyn0 I've been debating the same thing too, as I generally prefer floor dimmer switches as well. @Snoots I do a lot of night driving, so that would be a worthwhile upgrade. I've been planning on doing it for about the last 15 years, but keep putting it off. Having done lots of wiring, I...
  6. Ellie Niner

    Headlight, driving lights.

    Yeppers. I knew what you were talking about, and I agree that the effect is cool. The one big downside to it is that those take away your parking light function to replace it with a DRL, which is too high of an intensity to use as a parking light at night. I have seen LED switchback bulbs with...
  7. Ellie Niner

    Headlight, driving lights.

    Appreciate the update! Yeah. That's one thing I miss about having fog lights... Though there's no moisture, fog, or snow where I live now, they'd still be useful for things like you mentioned, as well as navigating in tight areas off road. I have a dimmer switch that's getting pretty toasty...
  8. Ellie Niner

    Headliner Trims

    There are 2 more short pieces that join the A-pillar trim to the kick panel trim; they're sort of pinched between the dash pad and the door weatherstripping. The 4 straight pieces that go above the doors, windshield, and back window are painted metal, and the rest are plastic. The kick panel...
  9. Ellie Niner

    78 GMC seat belt styles

    I've been there in my '75. Actually happened back around 2005-07, and I was pulled over for something random and stupid late at night- which was pretty common practice in the small-ish town I lived in if you were driving around when the bars closed... the porkies operated under the general...
  10. Ellie Niner

    DIY Junkyard Wiper Motor and Intermittent Module Retrofit/Upgrade

    Yep. Some cars used electroluminescent panels for opera lights, which had an inverter to step up the voltage... you can spot these ones by the color of light they emit; very similar to white LED's... and white LED's didn't hit the market until after opera lights were passé. Other models just...
  11. Ellie Niner

    DIY Junkyard Wiper Motor and Intermittent Module Retrofit/Upgrade

    Yep. It's a fiber optic cable used to illuminate the wiper switch; it leeches light off of one of the PC168 instrument cluster bulbs with a special socket (see photo)... same way the ashtray illumination works if your truck is so equipped. They only used the fiber optic setup in 1973-74, then...
  12. Ellie Niner

    78 GMC seat belt styles

    My 1975 GMC 3/4 ton is like that too. Believe it or not, the vehicle's GVW is determines what you get for seat belts. In vehicles that are (if I remember right) 8600GVW and up, you just got lap belts as standard equipment. Three point belts were optional. Lower GVW trucks all got the three point...
  13. Ellie Niner

    New - Reproduction OEM Floor mats

    Schweet! I still have the original GM mats in my truck, but they're getting pretty stiff and ratty looking... driver's side one slides all over the place because all the t¡ts are broken off the bottom of it. I'll have to score a set once I've got a little money freed up. @bucket One of the few...
  14. Ellie Niner

    heater fan - always on?

    Yep. My non A/C 1975 GMC operates like this. Sliding the HEAT/DEF lever to OFF just redirects airflow to a port in the heater box that blows it upward under the dashboard; blower keeps running at whatever speed you have it set at. I always thought this was a carryover from the "Astro...
  15. Ellie Niner

    Correct holes for cargo lamp and switch mounting

    I actually got my parts from the dealer all the way back when they were available; though the switch and wiring harness came from the wrecking yard. All of it was sitting in a box since Dubya was president. I haven't looked recently, but I've heard of a number of guys scoring parts from LMC...
  16. Ellie Niner

    Quadrajet Dual accelerator pump

    Ayup. Full squirt always gets the job done! I thought about gasket sealant, but came up short on stuff that I thought would pass muster. I carefully stuck the airhorn in a press and straightened it a little, then used a file to straighten it a little more. Still not 100% satisfied with it... do...
  17. Ellie Niner

    Installing a lighted rearview mirror

    That's one of the things that holds me back... From the cold blue-white light they emit (I'm sure there's a few that approximate incandescent color available if I look hard enough) to the weird issues they cause on occasion, solid state lighting feels weird on older vehicles... but I'm odd like...
  18. Ellie Niner

    Quadrajet Dual accelerator pump

    No. The dual displacement accelerator pump is a standalone thing, and not tied into the ESC at all. You've already got half the circuit figured out; the temperature sensor actually supplies power to the circuit once you've reached 160 degrees, energizing the solenoid on the carburetor. This...
  19. Ellie Niner

    1? 2? 4?

    Something else just crossed my mind regarding blocking off the exhaust passage through the intake... If you're running one of the old school divorced automatic chokes with the bimetallic spring mounted atop the intake, it will also cease functioning worth a sh¡t if you disable the heat riser...
  20. Ellie Niner

    1? 2? 4?

    Yeah. I've seen those EFE heaters in some parts lists, and my only takeaway was that they look like they might restrict airflow quite a bit... I wonder if those were used in all applications, as it seems like it would be easier to just route an exhaust passage under the intake manifold on...
  21. Ellie Niner

    1? 2? 4?

    @mikeoverland All truck 250's used some flavor of Varajet from 1979-84; I believe the car applications hung onto the one barrel for 1979, their last year in US production. I've never been inside of one before, but from my experience driving a couple of cars and an S10 equipped with a Varajet...
  22. Ellie Niner

    Old school Maglite / Magcharger flashlight and installation

    Gotcha... I'm guessing the output to the charger is 12 volts, allowing you to connect it directly into your truck's electrical system? I just looked up the early charging cradle, and it looks like a full charge from dead takes about 14 hours? Depending on how much you're using the flashlight...
  23. Ellie Niner

    Smog Pump Required?

    I thought 49 state half ton trucks in these years came with a 305 as the top engine option... not 100% sure though. Whatever gasoline engine yours came with; it would have a cat, secondary air injection (smog pump), EGR, Electronic Spark Control, and the usual PCV and evaporative emissions...
  24. Ellie Niner

    Old school Maglite / Magcharger flashlight and installation

    @SirRobyn0 Neat score! I've only seen a Magcharger once or twice, but never used one. I've always preferred flashlights with rechargeable batteries (ironic that the 2D Maglite I kept under the seat of my truck is currently sitting on the workbench with an alkaline that pissed itself jammed in...
  25. Ellie Niner

    Smog Pump

    I managed to get a few pictures from above and below at different angles, but as @SirRobyn0 alluded to, it's pretty hard to get in around everything to take decent photos. Alas, my steaming pile of computer ain't playing nice... I've tried about three times to attach 'em, but it ain't happening...

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