7a cover boring holes for coil packs help

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  • ian4455
    S2Forum Maniac
    • Nov 2010
    • 787
    • Country: England

    #1

    7a cover boring holes for coil packs help

    I've got my 5 V8 coil packs, 7a cover and need to bore the cover spark plug holes from 25mm to 28mm.

    Can someone advise me what depth these needs boring too ?
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