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Main bearing Side bolts

This is a discussion on Main bearing Side bolts within the Internal Engine forums, part of the LSx Technical Help Section category; Got my rotating assembly back today and am starting to check bearing clearances and reassemble the block. My question is ...

  1. #1
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    Main bearing Side bolts

    Got my rotating assembly back today and am starting to check bearing clearances and reassemble the block.

    My question is based on what the book says.

    Chilton says to use new main bearing cap side bolts, due to o rings will be damaged on the old ones. The problem I am running into is that the old ones don't have o rings.

    So on third gen aluminum blocks do I need to replace these side bolts?

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    Senior Member bills98ta's Avatar
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    I reused my side bolts, with no problems !

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    Quote Originally Posted by cfgioja View Post
    Got my rotating assembly back today and am starting to check bearing clearances and reassemble the block.

    My question is based on what the book says.

    Chilton says to use new main bearing cap side bolts, due to o rings will be damaged on the old ones. The problem I am running into is that the old ones don't have o rings.

    So on third gen aluminum blocks do I need to replace these side bolts?
    Re-use your old ones.

    Just put some thread sealer on the threads.

  4. #4
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    thanks guys

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