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Posts from the Twilight Zone (can YOU figure them out?)

MrShift@EdmundsMrShift@Edmunds Posts: 43,694
edited March 27 in Suzuki
Sometimes I read a post and I just stare and stare and no explanation comes to mind.

There are things beyond the knowledge of ordinary men such as myself. Maybe YOU can help these people, who obviously have a real problem of some sort, but a problem which defies my ability to not only solve, but even understand. They seem to defy the laws of Automotive Science.

Heres one for openers. All comments welcome:

The Case of the Disengaging Crank Pulley

Shifty the Host
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Comments

  • zueslewiszueslewis Posts: 2,353
    the concept of the crank pulley stopping while the engine is running is as impossible as Mad Max (Mel Gibson) flicking a switch to engage his supercharger.
  • tbonertboner Posts: 402
    Just difficult. You would have to have another path for the air to go around a "roots" style supercharger. The pulley engage is no more difficult than an A/C compressor clutch.

    I could imagine a case with a two layer shell, hollowed out, so there are two paths for airflow. The path through the case, when the supercharger is not spinning, and the traditional path when the supercharger spins, drawing even more air through the carbs.

    Probably a tuning nightmare. Don't know if you could use two carbs, because under boost the "non-boost" carb might not see vacuum.

    Of course, it is easier today with fuel injection and electronic boost control.

    TB
    engineer geek
  • zueslewiszueslewis Posts: 2,353
    but there were no provisions on that Ford Falcon for disengaging the blower. It used a regular roots blower and blower manifold. The split scene where the camera shot would jump down to him hitting the switch, then you'd see the blower engage under the hood, then he'd fly away.

    Yes, it CAN be done, but it wasn't then. As a car guy and hard core movie trivia geek, I've had that argument before...
  • MrShift@EdmundsMrShift@Edmunds Posts: 43,694
    Yes, but does this exist on a Suzuki Samarai? That would be quite a trick.

    If so, why on earth?

    Also, what DID the man see when he said he saw his crank pulley STOP?

    Very mysterious.
  • zueslewiszueslewis Posts: 2,353
    I was ......pffffttt, the engine, dude, it like stopped, but it was ...pfffftttt...still turning, man. (Said in Tommy Chong fashion)
  • 0patience0patience Posts: 1,542
    The mad maxx blower is a bypass type blower with an electric clutch drive pulley. You know, like the AC pulley?
    I've installed a few of them.
    They are dogs at lower rpm and terrible on fuel economy, but when you flip the switch they really come alive.
  • isellhondasisellhondas Issaquah WashingtonPosts: 17,367
    Is Lucas making crank pullys now?
  • leadfoot4leadfoot4 Posts: 593
    I never knew that a crank pulley could leak oil!!! LOL!!!!
  • swschradswschrad Posts: 2,171
    alias has a rubber ring between the shaft and the pulley drive for noise isolation, it could happen that the rubber seal breaks and it's just spinning and smoking, glazing up what's left of the rubber inside the pulley drive, until the rubber's ridge breaks off and the pulley drive flies off.

    I suspect there are some other symptoms, like looking under the hood and losing lunch from the odor, that might attend this condition.

    but the most likely explaination is aliens from outer space. or ephedra. you can blame anything on ephedra now, the gummint says it's ok. or saddam. check your service records for tech "666," if he did your inspection, it's sabotage by saddam. the wires told me so ;)
  • pat84pat84 Posts: 817
    It's a good day, indeed, that I don't step on my crank.
  • MrShift@EdmundsMrShift@Edmunds Posts: 43,694
    Yep, think you were right, that's exactly what it was...a deteriorated rubber ring of some kind--but I think the pulley was actually turning, it was the belt that was slipping as the pulley shifted.

    The idea of a clutch-driven crank pulley was just too wild for me. I started thinking "only the French would design something like that" and no doubt for all kinds of rational reasons in their minds.

    I'll go look for more Twilight Zone posts.
  • tbonertboner Posts: 402
    "Posted by Powrd1.8T on 2003-03-19 16:27:03"
    Hey guys, I've got a 98 1.8T. I've had a k04 and chip for a while and wanted to get more performance. I was recommended to port and polish the intake and exhaust. We found out they used abrasive material to do it like gritty sand. So I got with my friend that tunes Hondas and we decided to try it ourselves. We got a bag of sandblasting sand and hooked up into the intake and started the car. We had to hold the gas so it would run. He wanted to let the engine suck in the sand through the intake so it would port it out and then push it out the ehxaust so it would port the exhaust manifold.
    I was worried that it might cause problems but he figured it'd be OK as long as we didn't make boost and it get sucked in the turbo. After running the car and letting it suck in sand we got about half way through a 25 lb bag. The check engine light was on and the engine was bucking and kicking and sounding really weird. We stopped and hooked the car back up normal and took off the sand supply. We tried to start it again and it was really hard. Once started it couldn't idle and kept making weird noises. We took it out and drove it and it started to make scraping and knocking noises.
    Help! Can anyone tell me what to do! My buddy only does Hondas so he doesn't know much about Audis


    This has to be a joke, at least I hope for the sake of the genepool it is a joke.

    TB
  • swschradswschrad Posts: 2,171
    damn, that's one hot tuning job, I gotta get me some of that!
  • MrShift@EdmundsMrShift@Edmunds Posts: 43,694
    It sounds like a joke, yeah, but I actually did, I SWEAR ON A BIBLE OR TWO, I did stop a guy who was about to pour borax into the intake horn of a Mercedes turbo diesel to "seat the rings".

    To this day, I regret having interfered, as I've often daydreamed about witnessing what would have happened.
  • zueslewiszueslewis Posts: 2,353
    of those guys actually knew what they were talking about.
  • div2div2 Posts: 2,580
    And you can bet your bottom dollar that if they had a tire problem they'd turn around and sue the tire shop for "letting" them buy tires with a lower speed rating. Idiots...
  • zueslewiszueslewis Posts: 2,353
    Not bad, and really good considering he was probably on the "frequent smoker" program.
  • div2div2 Posts: 2,580
    But who would want superior handling when they can have long treadlife instead? Especially with Dayton tires. Tell me those puppies aren't state of the art...:P
  • zueslewiszueslewis Posts: 2,353
    ranks right up there with the $150 a set, 17" "Wanli" tires I saw on ebay!!
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This discussion has been closed.