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  1. zakthor

    1984 BJ60 - Charge Light and Buzzer

    I'm riffing on this recent thread: https://forum.ih8mud.com/threads/3b-voltage-question-yes-another.1290280/ Similar but different. Truck wasn't driven for a few months. Started driving and noticed dash voltage was low. Car driving fine I ignored it until a week later the charge buzzer...
  2. zakthor

    Help Diagnose my 3B -- Blowby!

    Here is the source of the blowby. It is only a small hole... The cylinder walls have no scarring...
  3. zakthor

    Help Diagnose my 3B -- Blowby!

    Hi Everyone. I finally get to close the loop on this. Wow checking the date it really did take an entire year from beginning to end. Would have been forever if not for the grace and competence of Torfab in Everett, WA. I called them for advice and they recommended that I find a better engine...
  4. zakthor

    Help Diagnose my 3B -- Blowby!

    Exhaust flow seemed fine. No muffler, its a turbo'd 3b. No rodent sign that I can spot. I ordered a used motor from... a bad seller... that is across the country. Ordered in november the motor arrived at mechanic 2 weeks ago, a day after my mechanic appointment. The ordered motor had scars in...
  5. zakthor

    Help Diagnose my 3B -- Blowby!

    cool! that is encouraging ill try a few more times with the top end cleaner.
  6. zakthor

    Help Diagnose my 3B -- Blowby!

    I have the manual. Have looked at what i need to do. what i dont know if its reasonable for me to tackle. Especially given cost of a different engine. my understanding is that valves are irrelevant to blowby. Fix for rings means removing the head at which point its money for parts and machining...
  7. zakthor

    Help Diagnose my 3B -- Blowby!

    Three weeks, about 700 miles. Blowby smoke is still embarrassingly bad. Power seems fine. Not burning any oil. What is involved in fixing this? Is it something a regular dummy could reasonably do? Rebuild is incredibly expensive. Starting to think i need to either: - find a different engine -...
  8. zakthor

    3B rough starting

    Well that starts nicely. Nothing to see here?!
  9. zakthor

    3B rough starting

    I have wilson switches. Never used superglow. Super simple. Dont see a place for an 80s electromechanical computer in my life. I'd definately do that first. About the starter. One truck was getting really sluggish turnover. I checked all grounds, replaced the old batteries and it was still a 1...
  10. zakthor

    3B rough starting

    I removed glow plugs recently to apply a chemical prayer to my hopefully carbonized rings. Motor has bad blowby. After buttoning everything up the truck didnt want to start. Debugging this motor was so simple... Smoke means there is fuel, there is air... Uh... The thing i touched? Glowplugs...
  11. zakthor

    Help Diagnose my 3B -- Blowby!

    Not talking about fuel system. Used top end cleaner directly in cylinders to try and soften carbon in rings. Added seafoam today to oil and an hour of driving. How long until oil needs changing? Should i change the oil filter?
  12. zakthor

    Help Diagnose my 3B -- Blowby!

    Ok... I'd driven the car around for 20 minutes after the oil change on thursday. Took maybe 15 seconds of cranking to start, sputtered a bit but then drove fine. Blowby was maybe a bit better at the end of the drive but still not like it was. Yesterday I needed to head into town. Cranked and...
  13. zakthor

    Help Diagnose my 3B -- Blowby!

    This acdelco stuff smelled like a really poisonous version of gasoline. Because of the toxic warning above and the possibility of it being messy, I wore my paint suit, goggles and my respirator with its old cartridge. Best protection I have. I only got a slight wiff of it when I was done. I...
  14. zakthor

    Help Diagnose my 3B -- Blowby!

    drove the few miles to the Chevy dealer. Got something called top end cleaner. Guy at the desk said it’s what all the other dealership mechanics come to buy... Volvo, Audi, Porsche. Is toxic. I stayed well away but the slight whiffs I got it didn’t smell like creeping death of por15. Anyway...
  15. zakthor

    Help Diagnose my 3B -- Blowby!

    Ok. I like these answers. FWIW: It doesn't sound like its firing on 3 cylinders. Revs fine but wow lots of white/brown smoke out of the blowby tube. Valves can't do this can they? I've not adjusted them... ever. That ac delco stuff... I don't like toxic stuff. Too much exposure in the past...
  16. zakthor

    Help Diagnose my 3B -- Blowby!

    Like 4 5 mile drives on two days. Then I drove it 30 miles on the freeway and no difference. Then 30 miles home with the mystery oil. No difference. The puffing is worse than any videos I’ve seen of blowby. Weird that power isn’t crazy bad.
  17. zakthor

    Help Diagnose my 3B -- Blowby!

    Should also mention the truck sat for a few months this winter. The issue seemed to occur right away after I started driving it again. I think maybe on the first drive.
  18. zakthor

    Help Diagnose my 3B -- Blowby!

    Um... not really. Idle is rough when cold but seems fine once engine is warm.
  19. zakthor

    Help Diagnose my 3B -- Blowby!

    I was sitting at a stoplight and noticed a bunch of smoke from around the right front. Pulled over and opened hood, the tiny pipe I call The Blowby Pipe is smoking like a chimney. Open oil fill cap and same deal, huge pulses and smoke coming out. The radiator was a little low, like 4oz, and...
  20. zakthor

    I Fixed my 84 BJ60's 3B Starter with Money

    Yeah I believe they do a good job. Big shop floor full of tables and tools. They did my alternator(s) after another shop couldn’t make any progress in 2 weeks. Guy said the bj60 alternator is one of the rarest but the weirdest stuff they see are off the ancient motors in armored cars- everything...
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