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  1. #1
    Shaman's Avatar
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    Ступень в выпускном порте 760-64х. Нужен совет!

    Приветствую всех на этом форуме!
    Я заменил гильзы ЦПГ и совмещая окна всех портов удалил ступень в выпускном порте. Теперь благодаря этому форуму я понимаю что совершил ошибку! Вот на этой страницезClick image for larger version. 

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ID:	445605 Воск пишет http://greenhulk.net/forums/showthre...212410&page=15 что это удалять нельзя(порог детонации) но он так-же пишет что то-же его удалил и перенёс его в трубу. Я не могу понять как это исправить. Буду благодарен вашим советам! Не хочется убить мотор от детонации!! Всё в нем новое от SBT.

  2. #2
    steve45's Avatar
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    Approximate translation:

    Greetings to all on this forum!

    I replaced the liner and piston assemblies combining the windows of all port removed the step in the exhaust port. Now, thanks to this forum I realize I made a mistake!

    wax writes http://greenhulk.net/forums/showthre...212410&page=15 it is impossible to remove (knock threshold but he writes so well that the same deleted it and carried it into the pipe. I can not figure out how to fix it.

    I would be grateful to your advice! I do not want to kill engine from knocking !! Everything in it new from SBT.

    This is Russian. Hope Robert Mueller doesn't come after me!
    Last edited by steve45; 03-14-2019 at 09:58 PM.

  3. #3
    Shaman's Avatar
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    Quote Originally Posted by steve45 View Post
    Approximate translation:

    Greetings to all on this forum!

    I replaced the liner and piston assemblies combining the windows of all port removed the step in the exhaust port. Now, thanks to this forum I realize I made a mistake!

    wax writes http://greenhulk.net/forums/showthre...212410&page=15 it is impossible to remove (knock threshold but he writes so well that the same deleted it and carried it into the pipe. I can not figure out how to fix it.

    I would be grateful to your advice! I do not want to kill engine from knocking !! Everything in it new from SBT.

    This is Russian. Hope Robert Mueller doesn't come after me!
    Это фотокопия. С страници, ссылка выше. Мне не понятно выделенное))
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    Last edited by Shaman; 03-15-2019 at 04:02 AM.

  4. #4
    Adam's Avatar
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    Leave the lip alone on the exhaust port, you can however widen the exhaust port to 70% of bore size 84mm bore means 58.8 mm wide exhaust port . You must however make the sides of the exhaust have a radius to stop the rings from bulging and catching in the port . 70% of bore width is a maximum if you want reliability, go narrower for greater reliability and less power . Don’t raise the exhaust port at all , you will lose bottom end power and increase piston temps that wil requires race fuel .

  5. #5
    Adam's Avatar
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    These are a TJ ported race cylinder for your information only .
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  6. #6
    Shaman's Avatar
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    Quote Originally Posted by Adam View Post
    Leave the lip alone on the exhaust port, you can however widen the exhaust port to 70% of bore size 84mm bore means 58.8 mm wide exhaust port . You must however make the sides of the exhaust have a radius to stop the rings from bulging and catching in the port . 70% of bore width is a maximum if you want reliability, go narrower for greater reliability and less power . Donít raise the exhaust port at all , you will lose bottom end power and increase piston temps that wil requires race fuel .
    Спасибо Адам!
    Я зделал по этому шаблону, и просто совместил верх шаблона с моим верхом порта но форма окна не так как на вашем фото!?
    (58.8мм)(65.12мм)??
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