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Heads....bolt pattern???

Old Mar 14, 2003 | 04:12 AM
  #1  
stik6shift98's Avatar
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Heads....bolt pattern???

whats are the bolt patterns for the ls1 heads


98 center bolt mount?????
99-02 side mount????


someone please clarify this
Old Mar 14, 2003 | 04:33 AM
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SonoItaliano90's Avatar
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ask speed inc, they are the bomb
Old Mar 14, 2003 | 04:57 AM
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stik6shift98's Avatar
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Originally posted by SonoItaliano90
ask speed inc, they are the bomb


once again back to the top
Old Mar 14, 2003 | 03:02 PM
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Head bolt pattern, or valve cover? Head bolts are the same. Valve covers are perimeter for 98, and center for 99+.

Hope this is what you were looking for....
Old Mar 15, 2003 | 02:58 AM
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stik6shift98's Avatar
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yes thanks....

anyone know how to mount 98 coil packs on 99 heads????
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