Sand Polishing Ports
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  1. #1
    www.53catalina.co.uk 53catalina's Avatar
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    Sand Polishing Ports

    Hey guys, I've got a 1953 Pontiac with a flathead 8. I want 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 exhaust 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 put a muffler on it. After running the car and letting
    it suck in sand we got about half way through a 25 lb bag. 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 Pontiacs.


    any ideas??

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  3. #2
    Cock
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    Quote Originally Posted by 53catalina View Post
    any ideas??
    Yup. Plenty. Most of mine it seems are good.

  4. #3
    ready salted evilzee28's Avatar
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    This is a wind up surely??

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    Official RnS Addict Stitch's Avatar
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    Reminds me of a guy on a US Mustang forum who ,when told to top up the water, filled his engine up with water via the oil filler cap - that was true though ..... as I remember he was subject to quite a bit of **** taking by his peers
    Champagne for my real friends,Real pain for my sham friends

    My Intro

  7. #6
    My name is Martin 30psi's Avatar
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    This is a fake story that's been doing a few rounds on the internet

  8. #7
    I'm a grown up member now !
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    Saw this years ago on an Audi forum. I bet someone, somewhere has tried it though
    Okay I believe you, but my Tommy gun don't...

  9. #8
    Official RnS Addict 34 boy's Avatar
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    I think the problem you have now is down to using the wrong sand,did you use play sand or builders sand as the latter is more finer sand and can cause problems?
    LETS GO TRACTOR TIPPING !!!!!!!
    www.victorywheelers.co.uk

  10. #9
    www.53catalina.co.uk 53catalina's Avatar
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    34 boy

    as you may know, the yellow dye comes out of the builders sand which we thought might damage the engine, so we used play sand as that is generally cleaner.

  11. #10
    Official RnS Addict Mark H's Avatar
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    Just make sure you do use the correct type of sand.It must be pure sand with nothing added,such as cement.This is a commonly used additive for sand and used in large ammounts creates an all together different material called mortar.If put in your engine it will set causing the engine to stop going round,or seize.

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