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  1. Grit dog

    K5 almost killed me brakes to the floor

    Ok that’s great. Probably needs that stuff. Maybe. Been a bunch of posts like this this week where the person wants to shotgun parts at a problem. That’s fine but fix the problem first. Then go nuts upgrading parts. Y
  2. Grit dog

    '73-'76 turn signal switch not universal

    ^Id replace the flasher module first with that condition. Typically solid on, not blinking is bad flasher.
  3. Grit dog

    Bad Gas or what?

    Glad you got er figured out. And an easy repair at that!
  4. Grit dog

    K5 almost killed me brakes to the floor

    Nice looking blazer btw!
  5. Grit dog

    K5 almost killed me brakes to the floor

    Assuming it was not the first time you pushed the brake pedal, ie it had brakes when you started driving it, or yesterday or whenever. Sudden brake loss and no leaks as you described is almost certainly the master cylinder. And not a big deal to do the booster later. It’s only 2 easy to get to...
  6. Grit dog

    How to switch from a DRW to a SRW in a 1981 K30 / 350 engine / 3 speed manual / 4x4

    Among other things and as you’re just doing this for looks, realize the other truck you posted has a considerably narrower flatbed, made for srw narrower track width rear wheels. There’s not a way to make it look like that truck without a new flatbed and new front hubs, etc. Then worry about...
  7. Grit dog

    How to switch from a DRW to a SRW in a 1981 K30 / 350 engine / 3 speed manual / 4x4

    First, welcome and nice truck! Second, that’s a really open ended question since you provided no context. If you’re simply looking for more traction while plowing, put an eco block on the flatbed and air the tires down. Or lose the inside tire and run a single outer wheel. Plowed plenty with 1...
  8. Grit dog

    Towing with my 86.... hints, tips, essentials?

    Agree, the size of the truck in general will handle the trailer “ok”. That said, that camper will “feel” much bigger than a Camaro on a Uhaul trailer even if they’re roughly the same overall weight. Tail wagging the dog especially with the long rear overhang and centered axles. And variations...
  9. Grit dog

    Towing with my 86.... hints, tips, essentials?

    Good point although even if that TT is only 5500 it’ll tow heavier than a car on a flatbed. Plus I bet that TT is over 5500 loaded ready to camp unless it’s aluminum frame and really lightweight construction.
  10. Grit dog

    Towing with my 86.... hints, tips, essentials?

    You have surge brakes, correct? That’s how most euro light trailer are? Idk how much towing experience with surge brakes you have but be aware of downhill towing and surge brakes. Easy to overheat them on long downgrades.
  11. Grit dog

    Did this K20 come factory with catalytic converter?

    Just talk to the emissions test place and bring em whatever info you have if they “think” it needed cats. Pretty cool exemption at the time. And apparently still beneficial in some states. Can’t believe you all have to test back to 1967. That’s crazy.
  12. Grit dog

    How much are these parts worth?

    Nothing until you find someone who needs some largely uncommon parts imo. What you’re selling would be commonly used to fix a wrecked truck. Not a lot of 80s C20s getting wrecked these days. And difficult to ship so local only or someone who REALLY needs them. Value? Idk.
  13. Grit dog

    Interior paint scheme

    If it looked like that, the interior metal would have all been silver.
  14. Grit dog

    Towing with my 86.... hints, tips, essentials?

    That trailer just looks like it needs anti sway. Although they must’ve put all the heavy stuff forward based on where the axles are. Trans cooler, trailer brakes and let er rip. Truck suspension and drivetrain are sufficient for that trailer.
  15. Grit dog

    What have you done to your square lately??

    Only putting myself in your shoes and thinking wwgd. What would Gritdog do? And I’m cheap. As evidenced by its a challenge to redo an old car and end up with something worth more than you’ve spent $ on it. Which I somehow managed to pull off with the blue truck. Some combo of luck and skill and...
  16. Grit dog

    What have you done to your square lately??

    Ya dude, I know that part. The challenges of doing something new, nowhere good to do it, not alot of time and not the right tools. I have 1 of those issues all the time and another of them sometimes. But having a place to work on it and reasonably every tool I need and 2-3 buddies 10-30min...
  17. Grit dog

    ****CAUTION, PLEASE READ****

    Good warning @bucket for everyone. It’s literally everywhere. Selling the Camaro a couple months ago was full of ‘em. There were a few that I got hooked and strung them along. Start out acting dumb to keep their interest and then respond with increasingly silly or ridiculous responses. More...
  18. Grit dog

    Bad Gas or what?

    Another thing, if you have an original 305 or running or attempting to run with all the OE emissions and controls you could have other issues specific than those 305s. They were more complicated and finicky than the other engines. Plenty of good reading on that on this forum.
  19. Grit dog

    Bad Gas or what?

    Ok pump the brakes here…figuratively. Who replaces a gas tank due to bad gas? Unless there’s more to it you haven’t said. If you think bad gas, diagnose that first. It’s easy. Put a piece of hose on the fuel pump inlet, and run it to a little can of fresh gas. Even though your symptoms...
  20. Grit dog

    What have you done to your square lately??

    At the risk of sounding negative, I’ve heard or gleaned a bit about budget with your truck, but now you’re buying parts that you haven’t even removed yet and from the pics earlier, look to be just fine. New brackets and straps are only $75-100 per tank but what makes you think you need them...
  21. Grit dog

    Bad Gas or what?

    Sounds like dying fuel pump. Quick test, when it dies, disconnect fuel line to carb and crank it. If it’s not pumping gas handily then I’d say that’s it. Although starts and runs again by priming the carb could be vapor lock? But presumably has a return line which prevents vapor lock in most...
  22. Grit dog

    Tire suggestions for lifted 86 suburban

    Totally different here. In the last 6 weeks got a set of 14” trailer tires M&B, $25/tire. 37s on brodozer wheels, $50/ea. which sounds like a good deal to me based on the cost of everything here vs the much lower cost of living where you live. Considering also I’ve been paying $25/tire on avg...
  23. Grit dog

    Tire suggestions for lifted 86 suburban

    You want 37-40” tires on 15” rims? Why? Fwiw the only options that don’t “break the bank” now that internet pricing has completely leveled the competition is A. Used. B. China bomb tires. C. Shop for a deal. But there aren’t many out there. Although I did just find a set of 37-12.50-20 Mickey...
  24. Grit dog

    Tire suggestions for lifted 86 suburban

    Yes you’re not charging enough. But depends on tire size and rim size. Still $25-50 per tire here at indy shops. Most chain stores won’t mount tires you don’t buy from them. Understandable since they are busy and in the business of selling tires to people who like to pay too much for tires...
  25. Grit dog

    Adapting a flatbed to a 1981 gmc 3500 / k30

    So apparently I was mistaken, squarebody C&C trucks also have a slight frame bump over the rear wheels. OP, look up GM heritage center vehicle info kits. Pick your year of truck and the whole GM equipment manual is there including all applicable dimensions. You can back into figuring out...

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