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  1. 10-27-2005, 08:51 AM #1
    neat
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    15 degree heads?

    When someone says their LS1 has 15 degree heads VS the standard 23 degree small block head, what is it exactly that is 15 degrees? I have heard that it's the angle the intake valve is offset from the piston face. I have heard it is spark plug related. I have heard all kinds of stories. What is it?

    Thanks!
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  2. 10-27-2005, 12:24 PM #2
    HotRodV6
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    My best guess would be that the 15 degree refers to the valve angle in relation to the face of the piston.
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  3. 10-29-2005, 03:45 PM #3
    samdogmx
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    Quote Originally Posted by HotRodV6
    My best guess would be that the 15 degree refers to the valve angle in relation to the face of the piston.
    correct
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  4. 10-30-2005, 04:12 PM #4
    Silver02SS
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    LS1 is the only one...
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    Yeah, valve angle to the center of the piston. Doesn't the LS7 have 12* heads...they're supposed to flow wicked!!
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