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  1. GMC trucker

    A/C Question regarding different years

    Did you use the original type tube and fin condenser or a parallel type condenser? I changed mine over to the parallel condenser type last year, because I couldn’t find an original type tube and fin. I also put 36 oz of 134 refrigerant. It was nice and cold but I noticed my high pressure side...
  2. GMC trucker

    What have you done to your square lately??

    Just a little paint work
  3. GMC trucker

    Bye Bye Optima

    I bought an Optima Yellow top in 2013 for my 83 GMC and another Yellow top in 2015 for my 87 R20. Both still work perfectly, even with the 83 being parked for 85% of the year. I also bought an Optima Blue top deep cycle for my trailer winch in 2020. With that I keep a trickle charge on it with...
  4. GMC trucker

    Temp Sensors

    I’m glad you brought that up. If it’s on the TBI 454, it’s located on the lower left (drivers) front side of the engine block. While working on my A/C system, I noticed the wires coming from the oil pressure sensor switch had bare spots and if they weren’t grounding out, I’m not sure how they...
  5. GMC trucker

    Brothers Truck is now Holley.com

    Dave Welch who does their YouTube how to videos is a pretty good guy for tech questions. Just seems like the parts I have needed lately, they didn’t have.
  6. GMC trucker

    What have you done to your square lately??

    To dang hot! I’m about 40 miles north of Lake Charles.
  7. GMC trucker

    What have you done to your square lately??

    Replaced my entire A/C system. It had all the original parts in prior with clakity sounding compressor blowing nothing but swampass air. Now it’s blowing ice cubes again.
  8. GMC trucker

    Flip kit ended up too low. Now what?

    I had the same problem. Thought about air bags but cheaped out and used these air shocks. I did have to use a rear shock extender though
  9. GMC trucker

    Holy Grail of Squarebodys

    I guess if I had to pick a grail truck, a 1978 K10 dealer prepared Sand Box Edition would be my choice. Every one ever sold had a different air brushed paint job with custom wheels and 33 inch tires. That or an impact edition 1975 GMC 1/2 ton. Similar to a spirit of 76 truck Here’s a sand box...
  10. GMC trucker

    Holy Grail of Squarebodys

    That’s exactly the reason. Today getting parts for my 1989 R3500 is hit and miss at the parts stores or online. Most of the time I end up with something for the C3500 of that same year. Most parts counter guys don’t know the difference.
  11. GMC trucker

    Show your daily driver

    My Daily
  12. GMC trucker

    Alternative A/C Test Methods

    Insure it’s not a leaking Schrader valve. It’ll hold vacuum for weeks as long as the gauge manifold is hooked to them. That would be a quick and easy fix if so.
  13. GMC trucker

    What was your first Vehicle?

    1970 Datsun pickup. I learned to drive it when I was 11. Then it was passed down to me when I got my D.L. at 15. Also bought my first car that same year, a 69 Chevelle for 700.00.
  14. GMC trucker

    Post your toys, square or not

    The front are 245/60/14s, the rear are 275/60/15s. I bought the rear 15x8 rims with 4.75 in back space from wheel vintiques. I had 295/50/15 drag radials mounted for a short time.
  15. GMC trucker

    Post your toys, square or not

    Yes it was. In 2000 it was repainted a Chrysler hunter green metallic.
  16. GMC trucker

    Post your toys, square or not

    Ok. Before shot of my 69 SS interior 1995 After shot 2008 Before shot of the 396 in 1995 After shots in 2008 (It's actually a 427 here with the 396 decals still on it) Before shot left rear view in 1995 After shot left rear view in 2008 Right rear view 1995 Right rear...
  17. GMC trucker

    Another new guy from Louisiana

    Na. That's close to Baton Rouge. I live about 15 miles from the Texas/Louisiana line in the south west corner of the state. Right above lake Charles just outside a town called DeRidder.
  18. GMC trucker

    Post your toys, square or not

    Ok, here more. , , , , , , , , Ok, I guess thats enough.
  19. GMC trucker

    Post your toys, square or not

    Here's some of my current past rides. I got a bunch of pics. Somebody shut me down if I get carried away. Here we go oldest first to current. , , , , , , , , , Hold on, I got some more.
  20. GMC trucker

    Another new guy from Louisiana

    I hear ya. I have already started bringing them with me to the salvage yards and my oldest has helped pull parts. He seems to be interested so I'm going to run with it as long as I can. Oh, and no cell phones for them until they can pay for one and the account for themselves and are out from...
  21. GMC trucker

    Another new guy from Louisiana

    Hi fella's! Thanks for the welcome. Yea, I've got some pics of my current project in the works. I'm still trying to figure out how to post them. I just got this short bed 83 GMC from my paw-in-law back in November. He bought it new and decided to pass it down to my son's who are still 9 & 8...
  22. GMC trucker

    Another new guy from Louisiana

    Hi folks! Glad to find this site.

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