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single or three bolt cam?

This is a discussion on single or three bolt cam? within the Internal Engine forums, part of the LSx Technical Help Section category; Purchasing a short block without a cam. I am not sure what cam I am suppose to use, single or ...

  1. #1
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    1986 Turbo 944

    single or three bolt cam?

    Purchasing a short block without a cam.

    I am not sure what cam I am suppose to use, single or three bolt.

    it is an ls1 with forged pistons, h beam rods, stock crank and I am running ls6 heads with dual springs.

    any help would be nice.

    thank you

  2. #2
    Slow'er'Ass Mr. Luos's Avatar
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    What are you referring too?

    What bolts? On the end of the cam there should be three bolts. They hold the cam timing gear on.

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    ok, comp cam ask if my cam was a single bolt or three bolt. It refers to the ones at the end of the cam. They have one that has just a center bolt and a offset tab that inserts into the gear. But I will stick with the three bolt then.

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    Slow'er'Ass Mr. Luos's Avatar
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    They do have an offset tab. Even the 3 bolt.

    I haven't been inside the Gen IV LSx...maybe they are a bit different.


    Used in my 1999 LS1 and my 2004/05 LQ9

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    1986 Turbo 944

    thanks

  6. #6
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    Quote Originally Posted by cfgioja View Post
    ok, comp cam ask if my cam was a single bolt or three bolt. It refers to the ones at the end of the cam. They have one that has just a center bolt and a offset tab that inserts into the gear. But I will stick with the three bolt then.
    The reason they asked you that is because all the GEN IV engines and newer use a "single bolt" camshaft. Meaning it bolts to the cam gear with one single bolt going through the center, rather than 3 small ones.

    You will need a 3 bolt camshaft.

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    Quote Originally Posted by Damian View Post
    The reason they asked you that is because all the GEN IV engines and newer use a "single bolt" camshaft. Meaning it bolts to the cam gear with one single bolt going through the center, rather than 3 small ones.

    You will need a 3 bolt camshaft.
    ^^^^^ yep

    All LS1's are 3 bolt...

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