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biggest cam without flycut

This is a discussion on biggest cam without flycut within the Internal Engine forums, part of the LSx Technical Help Section category; I have a LS1 with a 222/224 cam and 241 cast ported heads milled 30 thou to 11:1 and I ...

  1. #1
    Junior Member GMMAD's Avatar
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    heron white
    2001 VX SS COMMODORE

    biggest cam without flycut

    I have a LS1 with a 222/224 cam and 241 cast ported heads milled 30 thou to 11:1
    and I am wanting to put a bigger cam in
    was hoping something mid to high 230's
    any one know how big you can go without fly cutting the pistons

  2. #2
    You say the heads have been ported, so they have larger valves, correct? Stock heads milled .030" with 2.02/1.60 valves and even a stock thickness head gasket won't accept anything much larger than what you have now. Mid-upper 230 duration, no way. 228-230 maximum, and even then you should measure.

  3. #3
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    get a custom cam from some one who specs cams.or go to the TSP website and ask them what mite fit.

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    Slow'er'Ass Mr. Luos's Avatar
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    Why do you need the biggest cam you can fit?


    Quote Originally Posted by garygnu65 View Post
    get a custom cam from some one who specs cams.or go to the TSP website and ask them what mite fit.
    Best option.

  5. #5
    Junior Member GMMAD's Avatar
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    heron white
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    Quote Originally Posted by Mr. Luos View Post
    Why do you need the biggest cam you can fit?



    Best option.
    i wanted to fit a texas speed magic stick 4
    but i dont think it would fit so just wanted to know how big i can go
    plus they dont answer my emails

  6. #6
    Slow'er'Ass Mr. Luos's Avatar
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    With the heads milled I wouldn't go MS4 either.

    Custom cam is what you are looking for.
    You likely don't need the biggest cam you can fit either to meet your goals.

  7. #7
    Junior Member GMMAD's Avatar
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    heron white
    2001 VX SS COMMODORE

    texas speed havent answered any of my emails
    what are some good US based shops that would freight to aus
    Ive bought stuff through speed inc before might try them

  8. #8
    Slow'er'Ass Mr. Luos's Avatar
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    Speed Inc. is great.
    Not sure which shops will ship to you though.


    Why do you think you need the biggest cam that will fit?

  9. #9
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    heron white
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    Quote Originally Posted by Mr. Luos View Post
    Speed Inc. is great.
    Not sure which shops will ship to you though.


    Why do you think you need the biggest cam that will fit?
    i dont want the biggest that would fit
    but i want something around mid 230's
    quicker 1/4's and that that sound that only a big cam can give

  10. #10
    Slow'er'Ass Mr. Luos's Avatar
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    Head gasket thickness?
    Otherwise stock bottom end LS1 correct?

    This would likely fit your needs well. I don't like to run any cam without measuring (using clay to determine clearance) first.
    http://www.lmperformance.com/6377/1.html

  11. #11
    Junior Member GMMAD's Avatar
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    heron white
    2001 VX SS COMMODORE

    yep stock bottom end
    stock mls head gaskets

    yeah I know the 232/234 would fit
    but its a bit of a dinosaur
    theres better cam around
    I just put the heads on a few months ago so i dont want to have to pull them off again to fly cut the pistons
    Quote Originally Posted by Mr. Luos View Post
    Head gasket thickness?
    Otherwise stock bottom end LS1 correct?

    This would likely fit your needs well. I don't like to run any cam without measuring (using clay to determine clearance) first.
    http://www.lmperformance.com/6377/1.html

  12. #12
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    contact Geoff at engine power systems.

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    your probably better off calling TSP rather then emailing them, they seem to always be pretty busy and were slow answering my emails also.

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