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Thread: Redneck Extrude hone

  1. #1
    Senior Member RACING JUNKIE
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    Redneck Extrude hone

    On speedtalk there is a thread about stupid mistakes people have done or seen. This is a copy paste from that thread.

    From usernet - rec.crafts.metalworking
    Subject: Extrude-hone gone wrong!!!!

    A friend sent me this post from a personal watercraft tech chat site. If
    this guy is for real he should make Darwins list;

    Porting trouble

    --------------------------------------------------------------------------------

    Hey guys, I've got a 93 Superjet. I've had a pipe and modded ignition for a while and wanted to get more performance. I was recommended to port and polish the intake and exhaust ports. We found out they used abrasive material to do it like gritty sand. So I got with my friend that tunes Fords and we decided to try it ourselves. We got a bag of sandblasting sand and hooked up into the intake and started the ski with it hooked up to the flush kit. 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 port and manifold.

    I was worried that it might cause problems but he figured it'd be OK as long as we added a little more premix than usual. After running it and letting it suck in sand we got about quarter way through a 25 lb bag. The engine was bucking and kicking and sounding really weird. We stopped and hooked the F/A 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 just kept trying to run it to blow more sand out but it started to make scraping and knocking noises.

    Help! Can anyone tell me what to do! My buddy only does Fords so he doesn't
    know much about Yamaha pwc motors.
    __________________
    650 Superjet

  2. #2

  3. #3
    Senior Member RACING JUNKIE mytmouz's Avatar
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    :P
    If you think nobody cares, try missing a payment...

  4. #4
    Senior Member RACING JUNKIE
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    wow :roll:
    "The problem with quotes on the Internet is that you cannot confirm their validity"- Abraham Lincoln

  5. #5
    Junior Member JOURNEYMAN
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    That was on an audi forum i was on a while ago, except where there is Ford and Yamaha in this one, they had two kinds of audi models.

  6. #6
    Senior Member RACING JUNKIE
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    Hummmm......"Yeah,it's true...I saw it on the internet" :roll:
    "The problem with quotes on the Internet is that you cannot confirm their validity"- Abraham Lincoln

  7. #7
    Senior Member DYNO OPERATOR
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    Oh my god?!

  8. #8
    Senior Member RACING JUNKIE
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    Quote Originally Posted by olds48
    Hummmm......"Yeah,it's true...I saw it on the internet" :roll:
    I never said it was true...just funny.That's why it's "in the pits"

  9. #9
    Senior Member RACING JUNKIE
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    I know,bud.Just surprising how many people will believe anything off the web
    "The problem with quotes on the Internet is that you cannot confirm their validity"- Abraham Lincoln

  10. #10
    As hard to believe as that is, there are people that cluless out there. Like the guy that brought my Dad a Ford with 100K on the odometer and blue paint on the oil filter. The owner swore it had no oil filter when my Dad asked if he ever changed it. (this was in the late 60's) The oil filter weighed about ten pounds when he took it off. I had a customer that I asked when the last time she changed the oil in her car. (it had about 15-20K on it) her response? "You have to change the oil?"

    Now imagine someone like that trying to "hotrod" their car. It takes all kinds.


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