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  1. 1987 GMC Jimmy

    Best tire on a budget

    Move this to the you-know-what thread if need be, but Goodyear’s been doing some great stuff at the corporate level. I hope Cooper has better sense and takes a chunk of their business...
  2. 1987 GMC Jimmy

    Which carb to buy?

    My vote starts with the letter Q. Everything that needs to be said about them has been, I think.
  3. 1987 GMC Jimmy

    VECI label for 1992 K5 Blazer 350

    The sticker doesn’t say the model, just the year that the emissions equipment conforms to and a three letter code that points out the engine and emissions configuration. Any 49 state 350 from 1992 should work. I’m assuming you have this since it’s the most common, but there is always a...
  4. 1987 GMC Jimmy

    6.5 Turbo reliability for an RV?

    That’s exactly what I’d do. Keep the mechanical fan and add an aux. electric also. Doesn’t have to be fancy, even just toggle operated. You might try inspecting the radiator, and if it’s scaled up, have it cored and serviced. Otherwise you might see about having a new one made with someone like...
  5. 1987 GMC Jimmy

    Gauge / Idle fuse on an 84

    https://www.gmsquarebody.com/threads/gauge-idle-circuit.19592/ Not doing this passive aggressively, but this says everything I was gonna say, and I’m tired.
  6. 1987 GMC Jimmy

    Best tire on a budget

    If you go Douglas (Walmart exclusive brand but buy them and have someone else mount them), those go up to P215, and they’re made in the U.S. of A. I’d stick with whatever the door sticker says, probably P225 or 235, and in those sizes a Firestone might be pretty affordable if you get it from the...
  7. 1987 GMC Jimmy

    Seeking 7.5” 10 Bolt Advice...

    I’ll look them up when I get home, and I’ll take any references, too. Feel free to share here, or if you wanna PM me, that works.
  8. 1987 GMC Jimmy

    Seeking 7.5” 10 Bolt Advice...

    At almost 300K miles, the Corp. 10 in my car is singing its swan song. I’m going to try and make it a little longer, but it’s time to start planning what I’m going to do after. Ideally, I’d just keep the current axle since it has the control arm ears and the spring perches. As it stands, it’s a...
  9. 1987 GMC Jimmy

    Carb or Fuel delivery problem?

    I’ll throw the accelerator pump diaphragm into the ring. You mentioned that it’s squirting, but how responsive or instantaneous is said squirting? If there’s a lapse from when you start to move the throttle to when it actually does something, it might be bad. Of course this happens when you’re...
  10. 1987 GMC Jimmy

    Are any emissions components GOOD to keep? (+Snorkel components)

    Sorry for the late response, Taylor. I’ve been very tired at the days’ ends lately. The thermostatic air cleaner system, or thermac, is supposed to have a heat stove shrouding the exhaust manifold, a heat riser tube hooked to the fitting on the heat stove at the bottom and the air cleaner...
  11. 1987 GMC Jimmy

    Are any emissions components GOOD to keep? (+Snorkel components)

    I’m referring to the thermal vacuum switches that are married to a specific component: EFE, EGR, and I guess they’re around for distributor delay if so equipped, I don’t have anything with that one. If you’re getting rid of whatever piece of equipment they mediate vacuum for, no point in having...
  12. 1987 GMC Jimmy

    Are any emissions components GOOD to keep? (+Snorkel components)

    I would keep: PCV Valve because it’s unsightly and unsmell-ly to have crankcase gases and blowby puffing out of a vent. It might be okay on a very healthy motor, but imagine one that’s very tired, or even moderately worn, and looking like Steamboat Willie. Charcoal Canister/purge...
  13. 1987 GMC Jimmy

    RETRO-Mod: Jeep intermediate steering shaft

    The column is supposed to be independently affixed. I’d look elsewhere, either at the firewall or at the mounting ears under the dash.
  14. 1987 GMC Jimmy

    One day builds, or quick projects

    Thank you! He’s a good guy, he deserves it.
  15. 1987 GMC Jimmy

    One day builds, or quick projects

  16. 1987 GMC Jimmy

    One day builds, or quick projects

    This could probably be done very quickly by someone who is carpentry literate, unlike me, but I had to do this intuitively with little to no template, just making it up as I went along, so it took longer. Also, I had coronavirus pretty bad while building this so I was working against the...
  17. 1987 GMC Jimmy

    Newb alert!

    Agreed. Welcome!
  18. 1987 GMC Jimmy

    New Daily Driver (Caprice)

    I just did an A/C service on this one today, a job that can be a pain but the payoff makes it worthwhile. Performance deteriorated somewhat over a while, and then after I checked pressures two weekends ago, the service adapter failed and puked the charge. I did a half-ass service about four...
  19. 1987 GMC Jimmy

    Upgrading 1987 R10 A/C to R134a parts / questions

    I wouldn’t personally try to test the clutch without pulling vacuum and holding it on the system and then turning it by hand to prime the oil. It makes sense from the perspective of not wanting to waste 48 ounces of refrigerant on a bum compressor, but I get a bad feeling from running it...
  20. 1987 GMC Jimmy

    Brakes a Mess

    Exactly. Driver side rear was messed up, and it pulled to the right. There were several things wrong here. Missing hardware, albeit small pieces like a c clip, missing wheel cylinder link, and one of those little spring cups was hogged out and fell down so the rear shoe was essentially being...
  21. 1987 GMC Jimmy

    Factory radio refurbisher

    There’s a user on eBay, arctic63, who does this. I’ve seen them with the aux ports in front or a cable with a female end running from the back that you plug into. He also does Bluetooth stuff with them. I would reach out to him because even if he won’t outright perform the service, he probably...
  22. 1987 GMC Jimmy

    Old Delco 2700 "ETR"

    I haven’t seen many 87s that have the 2700 ETR. That was the top stereo option, but most seem to have the 2700 analog versions, which is cool. They were all gone in the cars by then, and a lot of the ‘88 squares I’ve seen do have the 2700 ETR, and then ‘89-‘91 was the 2000 ETR. Moral of the...
  23. 1987 GMC Jimmy

    Old Delco 2700 "ETR"

    F-Bodies had problems with screen illumination on the much rarer red face 2700 ETRs, IIRC. The orange ones not so much, but that’s not to say it can’t happen. If you haunt the 3rd Gen forums, you might find someone who repairs them, but there are people who work on them if you Google them.
  24. 1987 GMC Jimmy

    Upgrading 1987 R10 A/C to R134a parts / questions

    If someone had the foresight to put leak dye in it, and you have a UV light, you could check the service ports, all the different connections around the condenser, accumulator, and evaporator and around the compressor manifold, shell perimeter, and around the back of the clutch to see if you can...
  25. 1987 GMC Jimmy

    Upgrading 1987 R10 A/C to R134a parts / questions

    It sounded to me like the heater core may have been bypassed, and then the a/c doesn’t work. I guess that part warrants clarification. Makes sense to check the R12 pressure to make sure it’s empty, but if it sat for any protracted periods during it’s life, which it does like it’s been garaged, I...

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