Camshaft i.d.
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Camshaft i.d.

  1. #1
    Senior Member Ronboats's Avatar
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    Default Camshaft i.d.

    Wondering if anybody can tell me the specs on this cam and the maker.
    It's out of a BBC
    It has two sets of numbers on it and a symbol that looks like two C's on top of each other,one slightly higher than the other.I cant find my camera cord so no pics.
    The numbers are NA4550 and 280 S 10
    I've tried looking the numbers up on crane,comp and crower sites with no luck.
    I'm hoping someone here will know.
    I want to go bigger but I need to know where I'm at now.
    Thanks in advance
    Last edited by Ronboats; 06-01-2012 at 07:38 PM.

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    C/C CompCams my old cat here says 280s solid cam...NON roller

    jet a/b ..... 2800-3200 power range , cam part number 11-551-5 duration @ .050 242/250 lift .575/.604 110 lobe sep lash is .28/.30

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    Senior Member Ronboats's Avatar
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    Quote Originally Posted by havasubyou View Post
    C/C CompCams my old cat here says 280s solid cam...NON roller

    jet a/b ..... 2800-3200 power range , cam part number 11-551-5 duration @ .050 242/250 lift .575/.604 110 lobe sep lash is .28/.30
    2800-3200? is it safe to say this cam is a no-go for a v-drive?

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  6. #4
    gn7
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    You have to forgive havasubyou. He is a little dislexic.

    Its more like 2800 to 6300.

    They could sell too many with a power band of 2800-3200.

    Chosing a cam based on the one thats in there is crazy. Think the one thats in there now was chosen based off the one before that.
    You don't chose a cam based on what the engine currently has, or what you THINK it needs because you think this one is too small, or based on the one your buddy runs.

    You select a cam based on what the engine needs based on the build and the use.

    Other wise you might as well throw a dart at a board.



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  7. #5
    Senior Member Ronboats's Avatar
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    Quote Originally Posted by gn7 View Post
    You have to forgive havasubyou. He is a little dislexic.

    Its more like 2800 to 6300.

    They could sell too many with a power band of 2800-3200.

    Chosing a cam based on the one thats in there is crazy. Think the one thats in there now was chosen based off the one before that.
    You don't chose a cam based on what the engine currently has, or what you THINK it needs because you think this one is too small, or based on the one your buddy runs.

    You select a cam based on what the engine needs based on the build and the use.

    Other wise you might as well throw a dart at a board.
    Piont well taken.I have posted a new question. your opinion on that would be appreciated.thanks

  8. #6
    gn7
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    Quote Originally Posted by Ronboats View Post
    Piont well taken.I have posted a new question. your opinion on that would be appreciated.thanks
    Your question about a V drive. Its fine for a v-drive in the right engine.

    LINK: Comp 280 S cam



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    Last edited by gn7; 06-02-2012 at 05:55 PM.

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