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The old Bon Ami trick

Discussion in 'Trucks [ Eighteen Wheelers ]' started by 2DASEA, Jan 19, 2013.

  1. Jan 19, 2013 #1
    2DASEA

    2DASEA Bobtail Member

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    Jan 14, 2013
    0
    Any old timers out there ever had success dusting the intake with Bon-Ami to deglaze cylinders on a rebuilt motor that wasn't broke in properly?
     
    2DASEA, Jan 19, 2013
    2DASEA, Jan 19, 2013
    #1
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  3. Jan 20, 2013 #2
    Kiztune

    Kiztune Bobtail Member

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    Jan 18, 2013
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    Have done this many times!!! Start and run engine to operating temp. Remove air cleaner element and scoop table spoon of Bon Ami, Run engine at 3/4 revs and SLOWLY sprinkle Bon Ami bit by bit into intake. Your engine will labour. Dont let the engine stall while doing this! Revs will eventually increase again and repeat until finished. Change oil and hey presto no more smoke or blow by!
     
    Kiztune, Jan 20, 2013
    Kiztune, Jan 20, 2013
    #2
  4. Feb 5, 2013 #3
    2DASEA

    2DASEA Bobtail Member

    11
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    Jan 14, 2013
    0
    i will give it a go, nothing to loose really,if it doesn't work,new sleeves and rings it is!
     
    2DASEA, Feb 5, 2013
    2DASEA, Feb 5, 2013
    #3
  5. Feb 5, 2013 #4
    little cat 500

    little cat 500 Road Train Member

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    Jan 17, 2010
    Abbottstown PA
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    what does the Bon-Ami do sand blast the liners just asking never heard of this
     
    little cat 500, Feb 5, 2013
    little cat 500, Feb 5, 2013
    #4
    lv gn Thanks this.
  7. Feb 6, 2013 #5
    blazer1

    blazer1 Light Load Member

    179
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    Sep 5, 2010
    so. jersey
    0
    I was at a farm show several years ago and I was looking at some vintage restored farm tractors and I over heard two old timers talking about the Bon-Ami trick, I really thoght they were pulling my leg until I read this, ya learn something new everyday!
     
    blazer1, Feb 6, 2013
    blazer1, Feb 6, 2013
    #5
  8. Feb 6, 2013 #6
    little cat 500

    little cat 500 Road Train Member

    2,048
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    Jan 17, 2010
    Abbottstown PA
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    yea sounds interesting to me id like to here more on this
     
    little cat 500, Feb 6, 2013
    little cat 500, Feb 6, 2013
    #6
  9. Feb 6, 2013 #7
    2DASEA

    2DASEA Bobtail Member

    11
    0
    Jan 14, 2013
    0
    apparently Cat used to have a part number for the stuff, for seating rings on an engine. Get it up to temp, Run at half throttle, then slowly introduce a tablespoon of Bon Ami in the intake. Supposed to remove glaze, seat rings and presto, no more oil slobber. I've looked all over the web on this and theres quite alot of old timers that swear by it. Mind you my 3406 is an industrial motor 1976 vintage. I don't think I'd try it on a newer engine with the tighter tolerances.
     
    2DASEA, Feb 6, 2013
    2DASEA, Feb 6, 2013
    #7
  10. Feb 6, 2013 #8
    Pablo-UA

    Pablo-UA Road Train Member

    7,604
    1,642
    Oct 11, 2010
    Borispol, Ukraine
    0
    wrong thread)_ deleted
     
    Pablo-UA, Feb 6, 2013
    Pablo-UA, Feb 6, 2013
    #8
  11. Feb 6, 2013 #9
    little cat 500

    little cat 500 Road Train Member

    2,048
    1,094
    Jan 17, 2010
    Abbottstown PA
    0
    so can we buy this bon ami stuff any place
     
    little cat 500, Feb 6, 2013
    little cat 500, Feb 6, 2013
    #9
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