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  1. 84GMCSierra

    Any 9V6 Gunmetal Gray Trucks Out There??

    Found these on google images
  2. 84GMCSierra

    Must Replace Battery Tray 87 V10

    Need to replace mine too on my 84 Sierra.
  3. 84GMCSierra

    Engine mount replacement?

    I use Rock Auto for all my stuff now. Autozone and Oreilly have it locally but their prices are quite a bit higher. I would like to support the local guy but with the prices they have to charge, it's difficult
  4. 84GMCSierra

    Horn wiring

    but can I connect directly to the green horn wire or run a separate horn button?
  5. 84GMCSierra

    Should this new guy buy this '85?

    Sorry to break in here. I got a 2 bbl intake, carb and air cleaner from a 70's C8000 and was thinking of putting it on my 84 Sierra 350. Would it be worth it to do this or just sell the parts?
  6. 84GMCSierra

    Horn wiring

    I have a question for you all. I bought an air horn off Amazon, and it only haas 2 wires: Black and Red. Black obviously goes to a ground, but can I connect the red to the factory green horn wire to use the factory horn button?
  7. 84GMCSierra

    350 Valve Cover Oil Fill Tube

    Anyone here have one of these fill tubes you're getting rid of preferrably a factory one? I can buy a chrome one from Autozone but I don't want chrome. Want one I can paint to match my engine. Thanks
  8. 84GMCSierra

    1986 Engine Wiring Question

    Color versions are so much easier to use and read, lol
  9. 84GMCSierra

    Defroster not working

    My line there was broken so I put a new piece of 3/16" line over it to connect the 2 pieces. It's tight but wondering if it's not tight enough to seal. I read somewhere in these forums about using a piece of shrink tubing to fix the line as well
  10. 84GMCSierra

    Defroster not working

    Thanks guys. I appreciate the answers. I'll get a hand vacuum pump as well.
  11. 84GMCSierra

    Cowl Screen

    Wish I could but there is a 50 foot one right in front of the parking space for our apartment. Been trying to make it "go away" but no luck
  12. 84GMCSierra

    Defroster not working

    In the ball shaped contraption by the brake booster? Or where the line goes into the dash by the AC box?
  13. 84GMCSierra

    Cowl Screen

    Good Afternoon everyone. I have a question about the cowl screen. I just pulled mine out and couldn't believe the amount of pine needles under it. I thought hese were supposed to stop a good portion of debris from getting in? I do have one small square hole, but was wondering if I could put some...
  14. 84GMCSierra

    Defroster not working

    Ok you all. Just tore everything apart(cowl panel and screen, and went through all the lines I can see, and replaced some vacuum lines going through a check valve, into the intake, and can't find anything off or broken. One thing I did notice is the lever that opens the large door(where I'm...
  15. 84GMCSierra

    Horn recommendation

    What do you all recommend for a loud horn? I had one stock horn on my 84 Sierra when I bought it, and found one for the right side at U Pick It in Prescott, but they aren't very loud. Is there a good under hood mounted air horn fairly reasonably priced that will get attention?
  16. 84GMCSierra

    5.7nhigh millage what oil do you use?

    That's what I use. Our Walmart doesn't carry conventional oil in quarts, only semi and full synthetic, but they have this.
  17. 84GMCSierra

    recommend some tough seat covers

    I understand that, but my cloth seat has split in the seams. Not sure how old it is but may change my mind later, lol
  18. 84GMCSierra

    New brake lines

    Has anyone here had issues with Inline Tube parts? I've used them for years and they seem perfect. I posted on a FB group and was told to check the flares as they can be bad etc. I replaced the steel rear axle lines a month or so ago, and they are fine and going to do fronts today. A question I...
  19. 84GMCSierra

    recommend some tough seat covers

    I'm going with blue marine grade vinyl on my stock bench. A friend of our has an upholstery business so when wife and I go to Las Vegas in December, I'm going to leave it with her to do. I know vinyl will be hot, but when I get my AC retrofitted to 134, I will be good.
  20. 84GMCSierra

    Restoring old family truck

    I agree. My dad bought an old 65 Suburban back in 1976 and it had the 292. Unfortunately he decided to upgrade to a V-8. When I bought the 'burb, I wished it had the old 6 still in it
  21. 84GMCSierra

    ac control vacume line source

    Sorry to jump in here, but is there a diagram like the one above for an 84 Sierra, base model, 350/TH400 with AC? Or is this diagram pretty much the same for all models with the exception of trans type?
  22. 84GMCSierra

    Defroster not working

    My truck does have AC but it has been out since I removed the compressor, accumulator etc to give the engine a really good degreasing in 2019. Defrosters used to work but not since I last tried them about a month or so ago. When I go through al the settings on the control panel, the only place...
  23. 84GMCSierra

    Vent window adjustment?

    Farther down on this post, it was said that only 79-80 models had the secondary seal on the doors? Just wondering why on just these 2 years?
  24. 84GMCSierra

    Defroster not working

    I'm having a problem with my defrosters. When I put the blower on, the air is only coming out of the larger door in the ductwork near the floor(1st pic).I cant tell if there is anything missing from the vacuum connection on the back of the control panel so maybe someone here can see anything...
  25. 84GMCSierra

    Hub cap/trim ring combo

    I want to get a set of those so I can have my stock steel wheels restored

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