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  1. 1987 GMC Jimmy

    1987 R10 305 No-start

    Mine behaved similarly to that; it would stumble really bad when it was cold, and stutter/miss/buck as you got closer to WOT, and it was a bad pickup coil that tested fine on the DVM.
  2. 1987 GMC Jimmy

    1987 R10 305 No-start

    I don’t think they test ignition coils, at least not any old style ones. You’ll need to do that with your DVM.
  3. 1987 GMC Jimmy

    1987 R10 305 No-start

    Pull the ICM and take it to Autozone to be tested. If it passes, ask them to test it three or four times if they don’t volunteer to do so. You need a Delco ICM. They cost an arm and a leg at Autozone compared to what you pay online. If for whatever reason it passes, there are tests for the...
  4. 1987 GMC Jimmy

    i blew up my SBC 350...thinking LS

    Definitely. A good chunk of forum membership is new owners being overwhelmed by all kinds of hack work being done to OEM power teams and control equipment and then needing to come here to help diagnose and troubleshoot. I recognize the people that do it well, and being anal is imperative. If...
  5. 1987 GMC Jimmy

    NEED HELP NEED HELP

    Have you tried the “Cruising the Coast Swap Shop” FB page? There are a few thousand local folks on there that maybe can help.
  6. 1987 GMC Jimmy

    i blew up my SBC 350...thinking LS

    I’m glad more and more people on here are singing this tune because I’m a well-established broken record on this. They are a good plant in the 1997-2007 range vehicles but otherwise played out, overcomplicated for the improvements they yield, overpriced for the improvements they yield, and a...
  7. 1987 GMC Jimmy

    Quadrajet Adjustment Question

    Setting idle speed and timing are both best done in gear with a tach showing 500 RPMs. If you’re in that neighborhood where you’re set now, that should be fine, and that’s where my Q-Jet is, screw all the way out or damn close to it. Mixture on mine is set 3.75 to 4 turns out from lean, but...
  8. 1987 GMC Jimmy

    Adding gauges

    I tend to agree. To me, under dash looks tacky and pillar mount is dog ugly. I’d probably try to find the worst dash I could just to have zero guilt about operating on it. Worst case scenario, you still get practice with trying to recover one and destroy a junk dash. Best case, you do what you...
  9. 1987 GMC Jimmy

    Which part is this ?

    That’s a complicated question because it depends on year/engine/tonnage and federal/high alt./CA emissions schemes, but in short I would say yes. You want to run your vac advance to a manifold source, and your canister control to a ported source. The canister has two jobs: to store vapors when...
  10. 1987 GMC Jimmy

    Vapor canister leaking gas

    Possibly but only from the perspective of the canister got contaminated with fuel. If it was me, I’d try to air it out. If you can dry it out without it spitting out any of the charcoal, I’d put it back on and try, and it may very well work fine. I’m cheap, though. First, I’d see if the...
  11. 1987 GMC Jimmy

    Which part is this ?

    ^^^ This except the charcoal canister will use ported vacuum via a carb port, not manifold.
  12. 1987 GMC Jimmy

    1949 Cubbie!

    Thanks! That A turned out real nice. Makes me want to drop everything and get started on the resto now. I seriously considered a Super A, but it seems that the desirability/collectibility has really flipped between the A Series and the Cubs. I bought it from a guy who had about 30 Farmalls...
  13. 1987 GMC Jimmy

    1949 Cubbie!

    The trailer it’s pulling in the pics is a 6x9”. I think the width is about 48” at the rear wheels, but the Woods belly mower is 50” from skid to skid, and it’s just over eight feet long and five feet tall. The top of my head’s at about eight feet when I’m on it, though. I’ll have to share more...
  14. 1987 GMC Jimmy

    1949 Cubbie!

    It’s weird when you look at it head-on, but it really gives you a lot of downward visibility when you’re working! Can’t imagine how beneficial it is when you’re rowing.
  15. 1987 GMC Jimmy

    Brought this home yesterday!

    Good find! It’s got a lot of potential for a resto, but it could go to work yesterday and do well.
  16. 1987 GMC Jimmy

    1949 Cubbie!

    This has been my project for the past two or three weeks: a ‘49 IH Farmall Cub. After going through a myriad of trash lawn tractors, and then the bush hog on the big tractor being too destructive and rough of a cut that would require a finisher, I got this to cut the grass at my mom’s, and I...
  17. 1987 GMC Jimmy

    small block buick - carburetors, radiators, suggestions?

    Whoomp, there it is, as the kids say.
  18. 1987 GMC Jimmy

    small block buick - carburetors, radiators, suggestions?

    ^^^ What he said. I was saying that there’s no hot air with the engine off. Without the safety mechanisms of the oil pressure switch and a fused circuit, there’s power to the electric choke with the key on. If power is interrupted, you have no choke. If power isn’t regulated, your choke can open...
  19. 1987 GMC Jimmy

    small block buick - carburetors, radiators, suggestions?

    It’s a purely mechanical circuit rather than an electro-mechanical one so it’s rodent proof. I’ve had to replace the choke heater pigtail because of them, and I’d rather mitigate stuff like that in the future. Plus, you don’t have to worry with the aforementioned safety/usability add ons because...
  20. 1987 GMC Jimmy

    New From Minnesota

    Welcome to the forum!
  21. 1987 GMC Jimmy

    small block buick - carburetors, radiators, suggestions?

    I made a mistake here. Your carb has a hot air choke so it’s an M4MC. I saw the black choke heater and looked no further at the steel tube going into it. It’s more like your thermostatic mechanism for an electric choke being integral to the carb rather than being divorced and sitting on the...
  22. 1987 GMC Jimmy

    Small block... buick? Oldsmobile? PONTIAC?

    I like my 3.1 as far as white bread/vanilla GM engines go. It sat for 15 years, doesn’t leak much of anything ever. I guess I got lucky, and that could easily change tomorrow, but they said that drive adapter o ring was the real kicker on these. I’ve got about 6000 miles on it, about 193K total...
  23. 1987 GMC Jimmy

    small block buick - carburetors, radiators, suggestions?

    This post saw me coming, but I can’t stand mute. You can get that thing rebuilt like a brand new unit for $200-$250, but I’d call the following people and see. I sent mine to Mountain Man Carburetor & Fuel Injection in Hackett, AR and never had to worry again. It’s ready to go out of the...
  24. 1987 GMC Jimmy

    Any value in these carburetors?

    Another idea is if you ever want to get a fancy carb reman done for one of your vehicles by a boutique carb builder, you have all those cores, and those places like to keep a few carbs like that in stock. You get what you need, they make money, someone else reaps the benefits later on down the road.
  25. 1987 GMC Jimmy

    When is a cab too-far-gone?

    Definitely looks crushed in, especially to the left of the dome light.

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